Search (151 results, page 1 of 8)

  • × theme_ss:"Information Gateway"
  1. Semantic digital libraries (2009) 0.04
    0.040860564 = product of:
      0.19408767 = sum of:
        0.040254876 = weight(_text_:web in 3371) [ClassicSimilarity], result of:
          0.040254876 = score(doc=3371,freq=22.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.47835067 = fieldWeight in 3371, product of:
              4.690416 = tf(freq=22.0), with freq of:
                22.0 = termFreq=22.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=3371)
        0.040254876 = weight(_text_:web in 3371) [ClassicSimilarity], result of:
          0.040254876 = score(doc=3371,freq=22.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.47835067 = fieldWeight in 3371, product of:
              4.690416 = tf(freq=22.0), with freq of:
                22.0 = termFreq=22.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=3371)
        0.07888915 = weight(_text_:ontologie in 3371) [ClassicSimilarity], result of:
          0.07888915 = score(doc=3371,freq=4.0), product of:
            0.18041065 = queryWeight, product of:
              6.996407 = idf(docFreq=109, maxDocs=44218)
              0.025786186 = queryNorm
            0.43727544 = fieldWeight in 3371, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              6.996407 = idf(docFreq=109, maxDocs=44218)
              0.03125 = fieldNorm(doc=3371)
        0.03468877 = product of:
          0.06937754 = sum of:
            0.06937754 = weight(_text_:aufsatzsammlung in 3371) [ClassicSimilarity], result of:
              0.06937754 = score(doc=3371,freq=4.0), product of:
                0.16918544 = queryWeight, product of:
                  6.5610886 = idf(docFreq=169, maxDocs=44218)
                  0.025786186 = queryNorm
                0.41006804 = fieldWeight in 3371, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  6.5610886 = idf(docFreq=169, maxDocs=44218)
                  0.03125 = fieldNorm(doc=3371)
          0.5 = coord(1/2)
      0.21052632 = coord(4/19)
    
    Abstract
    Libraries have always been an inspiration for the standards and technologies developed by semantic web activities. However, except for the Dublin Core specification, semantic web and social networking technologies have not been widely adopted and further developed by major digital library initiatives and projects. Yet semantic technologies offer a new level of flexibility, interoperability, and relationships for digital repositories. Kruk and McDaniel present semantic web-related aspects of current digital library activities, and introduce their functionality; they show examples ranging from general architectural descriptions to detailed usages of specific ontologies, and thus stimulate the awareness of researchers, engineers, and potential users of those technologies. Their presentation is completed by chapters on existing prototype systems such as JeromeDL, BRICKS, and Greenstone, as well as a look into the possible future of semantic digital libraries. This book is aimed at researchers and graduate students in areas like digital libraries, the semantic web, social networks, and information retrieval. This audience will benefit from detailed descriptions of both today's possibilities and also the shortcomings of applying semantic web technologies to large digital repositories of often unstructured data.
    Content
    Inhalt: Introduction to Digital Libraries and Semantic Web: Introduction / Bill McDaniel and Sebastian Ryszard Kruk - Digital Libraries and Knowledge Organization / Dagobert Soergel - Semantic Web and Ontologies / Marcin Synak, Maciej Dabrowski and Sebastian Ryszard Kruk - Social Semantic Information Spaces / John G. Breslin A Vision of Semantic Digital Libraries: Goals of Semantic Digital Libraries / Sebastian Ryszard Kruk and Bill McDaniel - Architecture of Semantic Digital Libraries / Sebastian Ryszard Kruk, Adam Westerki and Ewelina Kruk - Long-time Preservation / Markus Reis Ontologies for Semantic Digital Libraries: Bibliographic Ontology / Maciej Dabrowski, Macin Synak and Sebastian Ryszard Kruk - Community-aware Ontologies / Slawomir Grzonkowski, Sebastian Ryszard Kruk, Adam Gzella, Jakub Demczuk and Bill McDaniel Prototypes of Semantic Digital Libraries: JeromeDL: The Social Semantic Digital Library / Sebastian Ryszard Kruk, Mariusz Cygan, Adam Gzella, Tomasz Woroniecki and Maciej Dabrowski - The BRICKS Digital Library Infrastructure / Bernhard Haslhofer and Predrag Knezevié - Semantics in Greenstone / Annika Hinze, George Buchanan, David Bainbridge and Ian Witten Building the Future - Semantic Digital Libraries in Use: Hyperbooks / Gilles Falquet, Luka Nerima and Jean-Claude Ziswiler - Semantic Digital Libraries for Archiving / Bill McDaniel - Evaluation of Semantic and Social Technologies for Digital Libraries / Sebastian Ryszard Kruk, Ewelina Kruk and Katarzyna Stankiewicz - Conclusions: The Future of Semantic Digital Libraries / Sebastian Ryszard Kruk and Bill McDaniel
    LCSH
    Semantic Web
    RSWK
    Elektronische Bibliothek / Semantic Web / Ontologie <Wissensverarbeitung> / Aufsatzsammlung
    Subject
    Elektronische Bibliothek / Semantic Web / Ontologie <Wissensverarbeitung> / Aufsatzsammlung
    Semantic Web
  2. FIZ Karlsruhe: Portal erfasst Informatik-Wissen aus der ganzen Welt (2007) 0.03
    0.032106888 = product of:
      0.15250772 = sum of:
        0.030343255 = weight(_text_:web in 1283) [ClassicSimilarity], result of:
          0.030343255 = score(doc=1283,freq=8.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.36057037 = fieldWeight in 1283, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1283)
        0.030343255 = weight(_text_:web in 1283) [ClassicSimilarity], result of:
          0.030343255 = score(doc=1283,freq=8.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.36057037 = fieldWeight in 1283, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1283)
        0.041534968 = weight(_text_:semantische in 1283) [ClassicSimilarity], result of:
          0.041534968 = score(doc=1283,freq=2.0), product of:
            0.13923967 = queryWeight, product of:
              5.399778 = idf(docFreq=542, maxDocs=44218)
              0.025786186 = queryNorm
            0.2982984 = fieldWeight in 1283, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.399778 = idf(docFreq=542, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1283)
        0.05028624 = weight(_text_:suche in 1283) [ClassicSimilarity], result of:
          0.05028624 = score(doc=1283,freq=4.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.3903247 = fieldWeight in 1283, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1283)
      0.21052632 = coord(4/19)
    
    Abstract
    Das Informationsportal für Informatik »io-port.net« erschließt internationale Fachliteratur unter einem zentralen Zugang im Web. Zur Verfügung stehen ein kostenloser Basisdienst sowie kostenpflichtige Mehrwertlizenzen.
    Content
    "Web-Portale werden zu immer besseren Fachinformationsquellen. Mit »io-port.net« (www. io-port.net) gibt es für die Informatik seit kurzem ein Portal, in dem moderne semantische Softwarewerkzeuge die Suche nach internationalen Veröffentlichungen unterstützen und bei der Verwaltung der persönlichen Fachbibliothek helfen. Bereits jetzt sind mehr als zwei Millionen Zeitschriftenartikel, Konferenzbeiträge, Dissertationen oder technische Berichte zur Informatik und zu verwandten Forschungsgebieten über io-port.net zentral unter einem Web-Zugang verfügbar. Die Nutzung des io-port. net Basisdienstes ist kostenlos. Mehrwertdienste, von der erweiterten Suche (mit Wortstammreduktion, Trunkierung und Verknüpfung) bis hin zur Nutzung der semantischen Werkzeuge, die beispielsweise Vorschläge für Suchbegriffe machen oder Fachpublikationen dem persönlichen Arbeitskontext des Nutzers zuordnen, sind kostenpflichtig. Mitglieder der Gesellschaft für Informatik (GI) können die Mehrwertlizenz zu einem Sonderpreis von 50 Euro pro Jahr erwerben. Die reguläre Einzelplatzlizenz kostet 125 Euro. io-port.net erfasst internationale wissenschaftliche Fachpublikationen und verknüpft die bibliografischen Angaben mit zahlreichen weiteren Web-Informationsquellen, zum Beispiel mit den Homepages von Autoren, Instituten, Bibliotheken und Verlagen, mit Volltextlieferdiensten, Publikationslisten von Autoren und anderen interessanten weiterführenden Quellen."
  3. Gradmann, S.; Iwanowa, J.; Dröge, E.; Hennicke, S.; Trkulja, V.; Olensky, M.; Stein, C.; Struck, A.; Baierer, K.: Modellierung und Ontologien im Wissensmanagement : Erfahrungen aus drei Projekten im Umfeld von Europeana und des DFG-Exzellenzclusters Bild Wissen Gestaltung an der Humboldt-Universität zu Berlin (2013) 0.03
    0.029964225 = product of:
      0.18977344 = sum of:
        0.018205952 = weight(_text_:web in 904) [ClassicSimilarity], result of:
          0.018205952 = score(doc=904,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.21634221 = fieldWeight in 904, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=904)
        0.018205952 = weight(_text_:web in 904) [ClassicSimilarity], result of:
          0.018205952 = score(doc=904,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.21634221 = fieldWeight in 904, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=904)
        0.15336153 = weight(_text_:modellierung in 904) [ClassicSimilarity], result of:
          0.15336153 = score(doc=904,freq=6.0), product of:
            0.18558519 = queryWeight, product of:
              7.1970778 = idf(docFreq=89, maxDocs=44218)
              0.025786186 = queryNorm
            0.8263673 = fieldWeight in 904, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              7.1970778 = idf(docFreq=89, maxDocs=44218)
              0.046875 = fieldNorm(doc=904)
      0.15789473 = coord(3/19)
    
    Abstract
    Im Artikel werden laufende Arbeiten und Ergebnisse der Forschergruppe Wissensmanagement beschrieben. Diese entstanden vor allem durch die am Lehrstuhl Wissensmanagement angesiedelten Projekte Europeana v2.0, Digitised Manuscripts to Europeana (DM2E) sowie von Teilprojekten des vor kurzem gestarteten DFG-Exzellenzclusters Bild Wissen Gestaltung. Die Projekte befassen sich mit Spezialisierungen des Europeana Data Model, der Umwandlung von Metadaten in RDF und der automatisierten und nutzerbasierten semantischen Anreicherung dieser Daten auf Basis eigens entwickelter oder modifizierter Anwendungen sowie der Modellierung von Forschungsaktivitäten, welche derzeit auf die digitale Geisteswissenschaft zugeschnitten ist. Allen Projekten gemeinsam ist die konzeptionelle oder technische Modellierung von Informationsentitäten oder Nutzeraktivitäten, welche am Ende im Linked Data Web repräsentiert werden.
  4. Becker, H.J.; Neuroth, H.: Crosssearchen und crossbrowsen von "Quality-controlled Subject Gateways" im EU-Projekt Renardus (2002) 0.03
    0.026334578 = product of:
      0.16678567 = sum of:
        0.023040922 = weight(_text_:services in 630) [ClassicSimilarity], result of:
          0.023040922 = score(doc=630,freq=2.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.2433798 = fieldWeight in 630, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.046875 = fieldNorm(doc=630)
        0.042669293 = weight(_text_:suche in 630) [ClassicSimilarity], result of:
          0.042669293 = score(doc=630,freq=2.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.3312015 = fieldWeight in 630, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.046875 = fieldNorm(doc=630)
        0.101075456 = weight(_text_:navigieren in 630) [ClassicSimilarity], result of:
          0.101075456 = score(doc=630,freq=2.0), product of:
            0.19828427 = queryWeight, product of:
              7.689554 = idf(docFreq=54, maxDocs=44218)
              0.025786186 = queryNorm
            0.50975025 = fieldWeight in 630, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.689554 = idf(docFreq=54, maxDocs=44218)
              0.046875 = fieldNorm(doc=630)
      0.15789473 = coord(3/19)
    
    Abstract
    Das von der Europäischen Union seit Januar 2000 geförderte Projekt Renardus hat das Ziel, einen Service zur Nutzung der in Europa vorhandenen "Quality-controlled Subject Gateways" aufzubauen, d.h. über einen Zugang bzw. eine Schnittstelle crosssearchen und crossbrowsen anzubieten. Für das crossbrowsen wird dabei zum Navigieren die Dewey Decimal Classification (DDC) verwendet. Der Beitrag beschreibt die einzelnen Entwicklungsschritte und stellt detailliert die nötigen Mappingprozesse vor. Dabei handelt es sich einmal um Mappingprozesse von den lokalen Metadatenformaten der einzelnen Subject Gateways zu dem gemeinsamen Kernset an Metadaten in Renardus für die Suche, wobei dieses Kernset auf dem Dublin Core Metadata Set basiert. Zum anderen geht es um die Erstellung von Konkordanzen zwischen den lokalen Klassen der Klassifikationssysteme der Partner und den DDC-Klassen für das Browsen. Der Beitrag beschreibt auch neue zugrunde liegende Definitionen bzw.theoretische Konzepte, die in der Metadatengemeinschaft zurzeit diskutiert werden (z.B. Application Profile, Namespace, Registry). Zum Schluss werden die Funktionalitäten des Renardus-Services (suchen, browsen) näher vorgestellt.
  5. Chung, W.; Chen, H.: Browsing the underdeveloped Web : an experiment on the Arabic Medical Web Directory (2009) 0.02
    0.022384107 = product of:
      0.14176601 = sum of:
        0.0656425 = weight(_text_:web in 2733) [ClassicSimilarity], result of:
          0.0656425 = score(doc=2733,freq=26.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.780033 = fieldWeight in 2733, product of:
              5.0990195 = tf(freq=26.0), with freq of:
                26.0 = termFreq=26.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=2733)
        0.0656425 = weight(_text_:web in 2733) [ClassicSimilarity], result of:
          0.0656425 = score(doc=2733,freq=26.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.780033 = fieldWeight in 2733, product of:
              5.0990195 = tf(freq=26.0), with freq of:
                26.0 = termFreq=26.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=2733)
        0.010481017 = product of:
          0.020962033 = sum of:
            0.020962033 = weight(_text_:22 in 2733) [ClassicSimilarity], result of:
              0.020962033 = score(doc=2733,freq=2.0), product of:
                0.09029883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.025786186 = queryNorm
                0.23214069 = fieldWeight in 2733, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2733)
          0.5 = coord(1/2)
      0.15789473 = coord(3/19)
    
    Abstract
    While the Web has grown significantly in recent years, some portions of the Web remain largely underdeveloped, as shown in a lack of high-quality content and functionality. An example is the Arabic Web, in which a lack of well-structured Web directories limits users' ability to browse for Arabic resources. In this research, we proposed an approach to building Web directories for the underdeveloped Web and developed a proof-of-concept prototype called the Arabic Medical Web Directory (AMedDir) that supports browsing of over 5,000 Arabic medical Web sites and pages organized in a hierarchical structure. We conducted an experiment involving Arab participants and found that the AMedDir significantly outperformed two benchmark Arabic Web directories in terms of browsing effectiveness, efficiency, information quality, and user satisfaction. Participants expressed strong preference for the AMedDir and provided many positive comments. This research thus contributes to developing a useful Web directory for organizing the information in the Arabic medical domain and to a better understanding of how to support browsing on the underdeveloped Web.
    Date
    22. 3.2009 17:57:50
  6. Mayr, P.; Mutschke, P.; Petras, V.: Reducing semantic complexity in distributed digital libraries : Treatment of term vagueness and document re-ranking (2008) 0.02
    0.021820541 = product of:
      0.103647575 = sum of:
        0.021455921 = weight(_text_:web in 1909) [ClassicSimilarity], result of:
          0.021455921 = score(doc=1909,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25496176 = fieldWeight in 1909, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1909)
        0.021455921 = weight(_text_:web in 1909) [ClassicSimilarity], result of:
          0.021455921 = score(doc=1909,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25496176 = fieldWeight in 1909, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1909)
        0.019200768 = weight(_text_:services in 1909) [ClassicSimilarity], result of:
          0.019200768 = score(doc=1909,freq=2.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.2028165 = fieldWeight in 1909, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1909)
        0.041534968 = weight(_text_:semantische in 1909) [ClassicSimilarity], result of:
          0.041534968 = score(doc=1909,freq=2.0), product of:
            0.13923967 = queryWeight, product of:
              5.399778 = idf(docFreq=542, maxDocs=44218)
              0.025786186 = queryNorm
            0.2982984 = fieldWeight in 1909, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.399778 = idf(docFreq=542, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1909)
      0.21052632 = coord(4/19)
    
    Abstract
    Purpose - The general science portal "vascoda" merges structured, high-quality information collections from more than 40 providers on the basis of search engine technology (FAST) and a concept which treats semantic heterogeneity between different controlled vocabularies. First experiences with the portal show some weaknesses of this approach which come out in most metadata-driven Digital Libraries (DLs) or subject specific portals. The purpose of the paper is to propose models to reduce the semantic complexity in heterogeneous DLs. The aim is to introduce value-added services (treatment of term vagueness and document re-ranking) that gain a certain quality in DLs if they are combined with heterogeneity components established in the project "Competence Center Modeling and Treatment of Semantic Heterogeneity". Design/methodology/approach - Two methods, which are derived from scientometrics and network analysis, will be implemented with the objective to re-rank result sets by the following structural properties: the ranking of the results by core journals (so-called Bradfordizing) and ranking by centrality of authors in co-authorship networks. Findings - The methods, which will be implemented, focus on the query and on the result side of a search and are designed to positively influence each other. Conceptually, they will improve the search quality and guarantee that the most relevant documents in result sets will be ranked higher. Originality/value - The central impact of the paper focuses on the integration of three structural value-adding methods, which aim at reducing the semantic complexity represented in distributed DLs at several stages in the information retrieval process: query construction, search and ranking and re-ranking.
    Footnote
    Beitrag eines Themenheftes "Digital libraries and the semantic web: context, applications and research".
    Theme
    Semantic Web
    Semantische Interoperabilität
  7. Blosser, J.; Michaelson, R.; Routh. R.; Xia, P.: Defining the landscape of Web resources : Concluding Report of the BAER Web Resources Sub-Group (2000) 0.02
    0.019565284 = product of:
      0.0929351 = sum of:
        0.03211228 = weight(_text_:web in 1447) [ClassicSimilarity], result of:
          0.03211228 = score(doc=1447,freq=14.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.38159183 = fieldWeight in 1447, product of:
              3.7416575 = tf(freq=14.0), with freq of:
                14.0 = termFreq=14.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=1447)
        0.03211228 = weight(_text_:web in 1447) [ClassicSimilarity], result of:
          0.03211228 = score(doc=1447,freq=14.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.38159183 = fieldWeight in 1447, product of:
              3.7416575 = tf(freq=14.0), with freq of:
                14.0 = termFreq=14.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=1447)
        0.02172319 = weight(_text_:services in 1447) [ClassicSimilarity], result of:
          0.02172319 = score(doc=1447,freq=4.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.22946067 = fieldWeight in 1447, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.03125 = fieldNorm(doc=1447)
        0.0069873445 = product of:
          0.013974689 = sum of:
            0.013974689 = weight(_text_:22 in 1447) [ClassicSimilarity], result of:
              0.013974689 = score(doc=1447,freq=2.0), product of:
                0.09029883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.025786186 = queryNorm
                0.15476047 = fieldWeight in 1447, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1447)
          0.5 = coord(1/2)
      0.21052632 = coord(4/19)
    
    Abstract
    The BAER Web Resources Group was charged in October 1999 with defining and describing the parameters of electronic resources that do not clearly belong to the categories being defined by the BAER Digital Group or the BAER Electronic Journals Group. After some difficulty identifying precisely which resources fell under the Group's charge, we finally named the following types of resources for our consideration: web sites, electronic texts, indexes, databases and abstracts, online reference resources, and networked and non-networked CD-ROMs. Electronic resources are a vast and growing collection that touch nearly every department within the Library. It is unrealistic to think one department can effectively administer all aspects of the collection. The Group then began to focus on the concern of bibliographic access to these varied resources, and to define parameters for handling or processing them within the Library. Some key elements became evident as the work progressed. * Selection process of resources to be acquired for the collection * Duplication of effort * Use of CORC * Resource Finder design * Maintenance of Resource Finder * CD-ROMs not networked * Communications * Voyager search limitations. An unexpected collaboration with the Web Development Committee on the Resource Finder helped to steer the Group to more detailed descriptions of bibliographic access. This collaboration included development of data elements for the Resource Finder database, and some discussions on Library staff processing of the resources. The Web Resources Group invited expert testimony to help the Group broaden its view to envision public use of the resources and discuss concerns related to technical services processing. The first testimony came from members of the Resource Finder Committee. Some background information on the Web Development Resource Finder Committee was shared. The second testimony was from librarians who select electronic texts. Three main themes were addressed: accessing CD-ROMs; the issue of including non-networked CD-ROMs in the Resource Finder; and, some special concerns about electronic texts. The third testimony came from librarians who select indexes and abstracts and also provide Reference services. Appendices to this report include minutes of the meetings with the experts (Appendix A), a list of proposed data elements to be used in the Resource Finder (Appendix B), and recommendations made to the Resource Finder Committee (Appendix C). Below are summaries of the key elements.
    Date
    21. 4.2002 10:22:31
  8. Heery, R.: Information gateways : collaboration and content (2000) 0.02
    0.019520842 = product of:
      0.092723995 = sum of:
        0.02124028 = weight(_text_:web in 4866) [ClassicSimilarity], result of:
          0.02124028 = score(doc=4866,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25239927 = fieldWeight in 4866, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4866)
        0.02124028 = weight(_text_:web in 4866) [ClassicSimilarity], result of:
          0.02124028 = score(doc=4866,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25239927 = fieldWeight in 4866, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4866)
        0.03801558 = weight(_text_:services in 4866) [ClassicSimilarity], result of:
          0.03801558 = score(doc=4866,freq=4.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.40155616 = fieldWeight in 4866, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4866)
        0.012227853 = product of:
          0.024455706 = sum of:
            0.024455706 = weight(_text_:22 in 4866) [ClassicSimilarity], result of:
              0.024455706 = score(doc=4866,freq=2.0), product of:
                0.09029883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.025786186 = queryNorm
                0.2708308 = fieldWeight in 4866, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4866)
          0.5 = coord(1/2)
      0.21052632 = coord(4/19)
    
    Abstract
    Information subject gateways provide targeted discovery services for their users, giving access to Web resources selected according to quality and subject coverage criteria. Information gateways recognise that they must collaborate on a wide range of issues relating to content to ensure continued success. This report is informed by discussion of content activities at the 1999 Imesh Workshop. The author considers the implications for subject based gateways of co-operation regarding coverage policy, creation of metadata, and provision of searching and browsing across services. Other possibilities for co-operation include working more closely with information providers, and diclosure of information in joint metadata registries
    Date
    22. 6.2002 19:38:54
  9. Chowdhury, G.G.: Digital libraries and reference services : present and future (2002) 0.02
    0.017277673 = product of:
      0.10942526 = sum of:
        0.021455921 = weight(_text_:web in 4466) [ClassicSimilarity], result of:
          0.021455921 = score(doc=4466,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25496176 = fieldWeight in 4466, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4466)
        0.021455921 = weight(_text_:web in 4466) [ClassicSimilarity], result of:
          0.021455921 = score(doc=4466,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25496176 = fieldWeight in 4466, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4466)
        0.06651342 = weight(_text_:services in 4466) [ClassicSimilarity], result of:
          0.06651342 = score(doc=4466,freq=24.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.702577 = fieldWeight in 4466, product of:
              4.8989797 = tf(freq=24.0), with freq of:
                24.0 = termFreq=24.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4466)
      0.15789473 = coord(3/19)
    
    Abstract
    Reference services have taken a central place in library and information services. They are also regarded as personalised services since in most cases a personal discussion takes place between a user and a reference librarian. Based on this, the librarian points to the sources that are considered to be most appropriate to meet the specific information need(s) of the user. Since the Web and digital libraries are meant for providing direct access to information sources and services without the intervention of human intermediaries, the pertinent question that appears is whether we need reference services in digital libraries, and, if so, how best to offer such services. Current digital libraries focus more on access to, and retrieval of, digital information, and hardly lay emphasis on the service aspects. This may have been caused by the narrower definitions of digital libraries formulated by digital library researchers. This paper looks at the current state of research in personalised information services in digital libraries. It first analyses some representative definitions of digital libraries in order to establish the need for personalised services. It then provides a brief overview of the various online reference and information services currently available on the Web. The paper also briefly reviews digital library research that specifically focuses on the personalisation of digital libraries and the provision of digital reference and information services. Finally, the paper proposes some new areas of research that may be undertaken to improve the provision of personalised information services in digital libraries.
  10. Zeitz, G.: Wissenschaftliche Informationen per Mausklick : Bibliotheken und Forschungsinstitute eröffnen fächerübergreifendes Internetportal - Hessische Einrichtungen sind beteiligt (2003) 0.01
    0.014686951 = product of:
      0.06976302 = sum of:
        0.017164737 = weight(_text_:web in 1800) [ClassicSimilarity], result of:
          0.017164737 = score(doc=1800,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.2039694 = fieldWeight in 1800, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=1800)
        0.017164737 = weight(_text_:web in 1800) [ClassicSimilarity], result of:
          0.017164737 = score(doc=1800,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.2039694 = fieldWeight in 1800, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=1800)
        0.028446194 = weight(_text_:suche in 1800) [ClassicSimilarity], result of:
          0.028446194 = score(doc=1800,freq=2.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.220801 = fieldWeight in 1800, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.03125 = fieldNorm(doc=1800)
        0.0069873445 = product of:
          0.013974689 = sum of:
            0.013974689 = weight(_text_:22 in 1800) [ClassicSimilarity], result of:
              0.013974689 = score(doc=1800,freq=2.0), product of:
                0.09029883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.025786186 = queryNorm
                0.15476047 = fieldWeight in 1800, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03125 = fieldNorm(doc=1800)
          0.5 = coord(1/2)
      0.21052632 = coord(4/19)
    
    Content
    "Wissenschaftler brauchen fundierte Informationen aus Quellen, auf die man sich verlassen kann. Die Suche nach solchen Quellen, wissenschaftlichen Aufsätzen, Dissertationen, Büchern, Datenbanken und Linklisten gestaltete sich bislang schwierig: Bibliotheken oder Verlage von Fachzeitschriften mussten einzeln angesteuert werden, einen zentralen, einheitlichen und einfachen Zugang gab es bislang, nicht. Das soll sich jetzt ändern: Das vom Bundesministerium für Bildung und Forschung (BMBF) und von der Deutschen; Forschungsgemeinsehaft (DFG) geförderte Internetportal "vascoda", das nach dem Willen seiner Initiatoren auch Grundbaustein für die "Digitale Bibliothek Deutschland" sein soll, will Forschern Zugang zu wissenschaftlicher Information unterschiedlichster Fachrichtungen und unterschiedlichster Formate bieten. Das ist bundesweit in dieser Form ebenso einzigartig wie die Tatsache, dass die an vascoda angeschlossenen Datenbanken ausschließlich ;,geprüfte" Informationen liefern sollen: "Fachbibliothekare und Fachwissenschaftler der Anbieter, die sich unter dem vascoda-Dach zusammengeschlossen haben, prüfen, welche Texte vdrfügbar gemacht werden", sagt Christine Burblies von der vascoda-Geschäftsstelle in Hannover. "So können wir gewährleisten, dass die Informationen wissenschaftlichen Ansprüchen genügen." Das macht dann auch den wesentlichen Unterschied zu anderen Suchmaschinen aus: Die Suchmaske des Wissenschaftsportals ist zwar ähnlich einfach zu handhaben wie die Internet-Suchmaschine Google - vascoda verirrt sich aber nicht im World Wide Web. Und während andere Internet-Suchmaschinen nicht den Zugriff auf das so genannte "invisible web" bieten, also beispielsweise auf Bibliothekskataloge, ermöglicht vascoda auch den Zugriff auf dieses unsichtbare Netz. Das Wissenschaftsportal ist unentgeltlich nutzbar, und auch ein Großteil der Informationen ist kostenlos zu beziehen. Es sind aber auch kostenpflichtige Informationen verfügbar - zum Beispiel aus Verlagsangeboten und kommerziellen Datenbanken. Wer Informationen etwa zu soziologischen Fragen sucht, landet sicher auch auf den Internetseiten des Instituts für Soziologie in Darmstadt (www.ifs.tu-darmstadt.de/forsch.htm), das ebenso zu den vascoda-Anbietern gehört wie das Deutsche Institut für Internationale Pädagogik (DIPF) in Frankfurt (www.dipfde/index_1024.htm). In vascoda eingebunden sind zur Zeit 23 virtuelle Fachbibliotheken (ViFas), die vier großen Informationsverbünde EconDoc (Wirtschaft), GetInfo (Naturwissenschaften und Technik), infoconnex (Pädagogik, Sozialwissenschaften, Psychologie) und Medizin sowie die Elektronische Zeitschriftenbibliothek (EZB), ein kooperativer Service von 209 Bibliotheken zur Bereitstellung von elektronischen Zeitschriften, -die im Internet publiziert werden. "Wir planen überdies die Erweiterung um das Fach Germanistik, und wenn es soweit ist, wird die Stadt- und Universitätsbibliothek Frankfurt diesen Service bereitstellen", sagt Burblies."
    Date
    17. 7.1996 9:33:22
  11. Wagner, S.: Barrierefreie und thesaurusbasierte Suchfunktion für das Webportal der Stadt Nürnberg (2007) 0.01
    0.014567588 = product of:
      0.0922614 = sum of:
        0.02124028 = weight(_text_:web in 1724) [ClassicSimilarity], result of:
          0.02124028 = score(doc=1724,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25239927 = fieldWeight in 1724, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1724)
        0.02124028 = weight(_text_:web in 1724) [ClassicSimilarity], result of:
          0.02124028 = score(doc=1724,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.25239927 = fieldWeight in 1724, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1724)
        0.04978084 = weight(_text_:suche in 1724) [ClassicSimilarity], result of:
          0.04978084 = score(doc=1724,freq=2.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.38640174 = fieldWeight in 1724, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1724)
      0.15789473 = coord(3/19)
    
    Abstract
    Im Internetportal der Stadt Nürnberg wurde in einer vorausgehenden Diplomarbeit eine Suchmaschine auf Basis des Produktes e:IAS der Fa. empolis GmbH realisiert. Diese Lösung soll in verschiedenen Bereichen verbessert und erweitert werden. Es sollen aussagekräftige Logfiles generiert und ausgewertet werden, insbesondere sollen die Auswertungen mit denen der vorhergehenden Suchlösung vergleichbar sein. Bei der Ergebnispräsentation sollen die Erfordernisse der Barrierefreiheit beachtet werden und die vorhandenen Templates entsprechende Anpassung erfahren. Die Lösung soll um Ansätze semantischer Suche erweitert werden. Es ist angedacht die vorhandene Synonymverwendung auszubauen und um Taxonomien zu einem Theasurus zu erweitern. Dabei sollen verschiedene Möglichkeiten untersucht werden und eine Möglichkeit, mindestens prototypisch, integriert werden.
    Theme
    Semantic Web
  12. Mayr, P.: Informationsangebote für das Wissenschaftsportal vascoda : eine Bestandsaufnahme (2006) 0.01
    0.01456687 = product of:
      0.13838527 = sum of:
        0.049841963 = weight(_text_:semantische in 154) [ClassicSimilarity], result of:
          0.049841963 = score(doc=154,freq=2.0), product of:
            0.13923967 = queryWeight, product of:
              5.399778 = idf(docFreq=542, maxDocs=44218)
              0.025786186 = queryNorm
            0.35795808 = fieldWeight in 154, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.399778 = idf(docFreq=542, maxDocs=44218)
              0.046875 = fieldNorm(doc=154)
        0.08854331 = weight(_text_:modellierung in 154) [ClassicSimilarity], result of:
          0.08854331 = score(doc=154,freq=2.0), product of:
            0.18558519 = queryWeight, product of:
              7.1970778 = idf(docFreq=89, maxDocs=44218)
              0.025786186 = queryNorm
            0.47710335 = fieldWeight in 154, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.1970778 = idf(docFreq=89, maxDocs=44218)
              0.046875 = fieldNorm(doc=154)
      0.10526316 = coord(2/19)
    
    Abstract
    Der Arbeitsbericht ist eine vorläufige Bestandsaufnahme der Informationsangebote der Virtuellen Fachbibliotheken und Informationsverbünde, die in das interdisziplinäre Wissenschaftsportal vascoda integriert werden sollen. Die strukturierte Beschreibung der heterogenen Informationsangebote, insbesondere Internetquellen, Fachdatenbanken/Bibliographien, SSG Online-Contents, OPACs, Volltextserver und Digitalisate konzentriert sich auf ausgewählte Aspekte, die eine Grundlage für weitere Arbeiten und Analysen im Projekt "Modellbildung und Heterogenitätsbehandlung" sind. Die Bestandsaufnahme liegt in der Version 2 vor. Neben der knappen Charakterisierung der Informationstypen und Fachinformationsanbieter wird vor allem der IST-Stand der strukturellen und semantischen Heterogenität der analysierten Bestände beschrieben. Zu diesem Zweck wurden die einzelnen Informationsangebote über deren Eingangswebseiten untersucht und zusätzlich bestehende Daten aus vorherigen Erhebungen einbezogen. Die Bestandsaufnahme der Informationsangebote und Kollektionen zeigt eine große Vielfalt an unterschiedlichen formalen und inhaltlichen Erschließungsformen. Die beobachtbare strukturelle und semantische Heterogenität zwischen den einzelnen Beständen hat weit reichende Folgen für die kontrollierte und begründete Integration und Modellierung der Dokumente. Der Bericht ist verfügbar unter http://www.gesis.orq/Publikationen/Berichte/IZ Arbeitsberichte/pdf/ab 37.pdf und kann über den IZ-Bestellservice als Broschüre angefordert werden.
  13. Kirriemuir, J.; Brickley, D.; Welsh, S.; Knight, J.; Hamilton, M.: Cross-searching subject gateways : the query routing and forward knowledge approach (1998) 0.01
    0.013744791 = product of:
      0.08705035 = sum of:
        0.033924792 = weight(_text_:web in 1252) [ClassicSimilarity], result of:
          0.033924792 = score(doc=1252,freq=10.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.40312994 = fieldWeight in 1252, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1252)
        0.033924792 = weight(_text_:web in 1252) [ClassicSimilarity], result of:
          0.033924792 = score(doc=1252,freq=10.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.40312994 = fieldWeight in 1252, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1252)
        0.019200768 = weight(_text_:services in 1252) [ClassicSimilarity], result of:
          0.019200768 = score(doc=1252,freq=2.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.2028165 = fieldWeight in 1252, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1252)
      0.15789473 = coord(3/19)
    
    Abstract
    A subject gateway, in the context of network-based resource access, can be defined as some facility that allows easier access to network-based resources in a defined subject area. The simplest types of subject gateways are sets of Web pages containing lists of links to resources. Some gateways index their lists of links and provide a simple search facility. More advanced gateways offer a much enhanced service via a system consisting of a resource database and various indexes, which can be searched and/or browsed through a Web-based interface. Each entry in the database contains information about a network-based resource, such as a Web page, Web site, mailing list or document. Entries are usually created by a cataloguer manually identifying a suitable resource, describing the resource using a template, and submitting the template to the database for indexing. Subject gateways are also known as subject-based information gateways (SBIGs), subject-based gateways, subject index gateways, virtual libraries, clearing houses, subject trees, pathfinders and other variations thereof. This paper describes the characteristics of some of the subject gateways currently accessible through the Web, and compares them to automatic "vacuum cleaner" type search engines, such as AltaVista. The application of WHOIS++, centroids, query routing, and forward knowledge to searching several of these subject gateways simultaneously is outlined. The paper concludes with looking at some of the issues facing subject gateway development in the near future. The paper touches on many of the issues mentioned in a previous paper in D-Lib Magazine, especially regarding resource-discovery related initiatives and services.
  14. Prasad, A.R.D.; Madalli, D.P.: Faceted infrastructure for semantic digital libraries (2008) 0.01
    0.013744791 = product of:
      0.08705035 = sum of:
        0.033924792 = weight(_text_:web in 1905) [ClassicSimilarity], result of:
          0.033924792 = score(doc=1905,freq=10.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.40312994 = fieldWeight in 1905, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1905)
        0.033924792 = weight(_text_:web in 1905) [ClassicSimilarity], result of:
          0.033924792 = score(doc=1905,freq=10.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.40312994 = fieldWeight in 1905, product of:
              3.1622777 = tf(freq=10.0), with freq of:
                10.0 = termFreq=10.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1905)
        0.019200768 = weight(_text_:services in 1905) [ClassicSimilarity], result of:
          0.019200768 = score(doc=1905,freq=2.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.2028165 = fieldWeight in 1905, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1905)
      0.15789473 = coord(3/19)
    
    Abstract
    Purpose - The paper aims to argue that digital library retrieval should be based on semantic representations and propose a semantic infrastructure for digital libraries. Design/methodology/approach - The approach taken is formal model based on subject representation for digital libraries. Findings - Search engines and search techniques have fallen short of user expectations as they do not give context based retrieval. Deploying semantic web technologies would lead to efficient and more precise representation of digital library content and hence better retrieval. Though digital libraries often have metadata of information resources which can be accessed through OAI-PMH, much remains to be accomplished in making digital libraries semantic web compliant. This paper presents a semantic infrastructure for digital libraries, that will go a long way in providing them and web based information services with products highly customised to users needs. Research limitations/implications - Here only a model for semantic infrastructure is proposed. This model is proposed after studying current user-centric, top-down models adopted in digital library service architectures. Originality/value - This paper gives a generic model for building semantic infrastructure for digital libraries. Faceted ontologies for digital libraries is just one approach. But the same may be adopted by groups working with different approaches in building ontologies to realise efficient retrieval in digital libraries.
    Footnote
    Beitrag eines Themenheftes "Digital libraries and the semantic web: context, applications and research".
    Theme
    Semantic Web
  15. Burblies, C.; Pianos, T.: Vascoda geht in die zweite Förderphase (2005) 0.01
    0.012730973 = product of:
      0.0806295 = sum of:
        0.0151716275 = weight(_text_:web in 3273) [ClassicSimilarity], result of:
          0.0151716275 = score(doc=3273,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.18028519 = fieldWeight in 3273, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3273)
        0.0151716275 = weight(_text_:web in 3273) [ClassicSimilarity], result of:
          0.0151716275 = score(doc=3273,freq=2.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.18028519 = fieldWeight in 3273, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3273)
        0.05028624 = weight(_text_:suche in 3273) [ClassicSimilarity], result of:
          0.05028624 = score(doc=3273,freq=4.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.3903247 = fieldWeight in 3273, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3273)
      0.15789473 = coord(3/19)
    
    Content
    "Das Bundesministerium für Bildung und Forschung (BMBF) hat mit Beginn des Jahres 2005 die zweite Förderphase für das fachübergreifende Internetportal vascoda (wwwvascoda.de) bewilligt. Ziel der zweiten Projekt-Phase ist es, ein gut strukturiertes Informationsangebot mit einheitlichem Zugang für alle Nutzergruppen zu schaffen. vascoda wird bis Ende 200'7 zu einer nutzerorientierten und transparenten Dienstleistung für die Wissenschaft ausgebaut. Damit verbunden werden so genannte Kompetenzzentren in Hannover, Münster und Köln gefördert, die für verschiedene Bereiche die Verantwortung übernehmen. So wird die Technische Informationsbibliothek (TIB) Hannover die Bereiche Koordinierung, Organisationsentwicklung, strategische Steuerung sowie Marketing und Öffentlichkeitsarbeit übernehmen. Für die Bereiche Evaluation, Nutzungsforschung und Oualitätsmanagement werden die ULB Münster und die ZB MED Köln gemeinsam zuständig sein. Hier sollen vor allem die Nutzerinteressen ermittelt werden. Das BMBF fördert überdies die gezielte technische Weiterentwicklung des Internetportals und den Server-Betrieb. Dieser Verantwortungsbereich ist künftig am Hochschulbibliothekszentrum des Landes Nordrhein-Westfalen (HBZ) in Köln angesiedelt. Das HBZ wird insbesondere seine Expertise aus der Entwicklung der DigiBib - Digitale Bibliothek ( www.digibib.net ) bei der technisch-strukturellen Strategieentwicklung von vascoda einbringen. Momentan basiert die vascoda-Suche auf einer Metasuche in 26 verschiedenen Fachangeboten. Über eine Web-ServiceArchitektur werden diese Datenbanken abgefragt und die zurück gelieferten Antworten in einer Trefferübersicht in vascoda präsentiert. Zukünftig wird eine umfassendere Funktionalität durch den Einsatz der Portalsoftware IPS gewährleistet. Eine gemeinsame Suche über alle relevanten Bestände wird so ermöglicht. So sollen insbesondere die einzelnen Fachportale sowie die Angebote der Bibliotheksverbünde integriert werden."
  16. Aufbau eines zentralen Fachportals für Bibliotheks-, Buch- und Informationswissenschaften (2005) 0.01
    0.012609188 = product of:
      0.11978729 = sum of:
        0.035557743 = weight(_text_:suche in 4308) [ClassicSimilarity], result of:
          0.035557743 = score(doc=4308,freq=2.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.27600124 = fieldWeight in 4308, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4308)
        0.084229544 = weight(_text_:navigieren in 4308) [ClassicSimilarity], result of:
          0.084229544 = score(doc=4308,freq=2.0), product of:
            0.19828427 = queryWeight, product of:
              7.689554 = idf(docFreq=54, maxDocs=44218)
              0.025786186 = queryNorm
            0.42479187 = fieldWeight in 4308, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.689554 = idf(docFreq=54, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4308)
      0.10526316 = coord(2/19)
    
    Abstract
    Ein zentrales Internetportal für die Bibliotheks-, Buch- und Informationswissenschaften soll die bislang verstreute Fachinformation in diesen drei eng benachbarten Disziplinen bündeln und unter einer Suchoberfläche zusammenführen. Der Aufbau dieser "Virtuellen Fachbibliothek Bibliotheks-, Buch- und Informationswissenschaften" (ViFa BBI) erfolgt mit Unterstützung der Deutschen Forschungsgemeinschaft (DFG). Der Nutzer findet hier in Zukunft alle Möglichkeiten eines "one-stop-shop" der Fachinformation vor: Mit einer einzigen Suchanfrage recherchiert er gleichzeitig in einer Vielzahl von Nachweisinstrumenten für gedruckte und elektronische Materialien, Internetressourcen und Fakteninformationen. Thematisches Browsing und Navigieren sind ebenso möglich wie die formale Suche nach Autoren oder Titelstichworten. Zum Service gehören außerdem Bestellmöglichkeiten für Monographien-, Zeitschriften- und Aufsatzliteratur sowie für elektronische Materialien, die als Datei oder Druckausgabe angefordert werden können. Das Angebot richtet sich an Wissenschaftler, Studierende und bereits in der Praxis tätige Absolventen der Bibliotheks-, Buch- und Informationswissenschaften. Die Fachcommunity wird durch einen wissenschaftlichen Beirat an der Entwicklung des Portals beteiligt. Durch den facettenreichen und in vielfacher Hinsicht propädeutischen Charakter der hier zusammengefassten Fachgebiete, die u.a. historische, betriebs- und sozialwissenschaftliche, sowie informationstechnologische Aspekte umfassen, ist die ViFa BBI auch interdisziplinär von Interesse. Deshalb ist auch jeder am Buch- Bibliotheks- und Informationswesen Interessierte aufgerufen, sich bei der Entwicklung zu beteiligen Partner beim Aufbau des Portals: - Fachbereich Informationswissenschaften der FH Potsdam - Informationszentrum für Informationswissenschaft und -praxis der Fachhochschule Potsdam - Kompetenznetzwerk für Bibliotheken (KNB) beim Deutschen Bibliotheksverband Berlin (DBV) - Buchwissenschaft der Universität Erlangen-Nürnberg - und Niedersächsische Staats- und Universitätsbibliothek Göttingen, die als DFG-Sondersammelgebietsbibliothek für das Fach "Informations-, Buch- und Bibliothekswesen" die Entwicklung koordiniert. Teilangebote sind schon jetzt online über die Homepages der beteiligten Einrichtungen verfügbar. Links: informationswissenschaften.fh-potsdam.de, knb.bibliotheksverband.de, www.buchwiss.uni-erlangen.de, www.sub.uni-goettingen.de Kontakt. Kristine Hillenkötter, SUB Göttingen, Tel.: 0551 / 39-3882, E-Mail: hillenkoetter@mail.sub.uni-goettingen.de
  17. Information digital: »ViFa BBI« : Zentrales Fachportal für die Bibliotheks-, Buch- und Informationswissenschaften (2005) 0.01
    0.012609188 = product of:
      0.11978729 = sum of:
        0.035557743 = weight(_text_:suche in 4526) [ClassicSimilarity], result of:
          0.035557743 = score(doc=4526,freq=2.0), product of:
            0.12883182 = queryWeight, product of:
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.025786186 = queryNorm
            0.27600124 = fieldWeight in 4526, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.996156 = idf(docFreq=812, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4526)
        0.084229544 = weight(_text_:navigieren in 4526) [ClassicSimilarity], result of:
          0.084229544 = score(doc=4526,freq=2.0), product of:
            0.19828427 = queryWeight, product of:
              7.689554 = idf(docFreq=54, maxDocs=44218)
              0.025786186 = queryNorm
            0.42479187 = fieldWeight in 4526, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.689554 = idf(docFreq=54, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4526)
      0.10526316 = coord(2/19)
    
    Abstract
    Ein zentrales Internetportal für die Bibliotheks-, Buch- und Informationswissenschaften soll die bislang verstreute Fachinformation in diesen drei eng benachbarten Disziplinen bündeln und unter einer Suchoberfläche zusammenführen. Der Aufbau dieser »Virtuellen Fachbibliothek Bibliotheks-, Buch- und Informationswissenschaften« (ViFa BBI) erfolgt mit Unterstützung der Deutschen Forschungsgemeinschaft. Der Nutzer findet hier in Zukunft alle Möglichkeiten eines »one-stop-shop« der Fachinformation vor: Mit einer einzigen Suchanfrage recherchiert er gleichzeitig in einer Vielzahl von Nachweisinstrumenten für gedruckte und elektronische Materialien, Internetressourcen und Fakteninformationen. Thematisches Browsing und Navigieren sind ebenso möglich wie die formale Suche nach Autoren oder Titelstichworten. Zum Service gehören außerdem Bestellmöglichkeiten für Monographien-, Zeitschriften- und Aufsatzliteratur sowie für elektronische Materialien, die als Datei oder Druckausgabe angefordert werden können. Das Angebot richtet sich an Wissenschaftler, Studierende und bereits in der Praxis tätige Absolventen der Bibliotheks-, Buch- und Informationswissenschaften. Die Fachcommunity wird durch einen wissenschaftlichen Beirat an der Entwicklung des Portals beteiligt. Durch den facettenreichen und in vielfacher Hinsicht propädeutischen Charakter der hier zusammengefassten Fachgebiete, die unter anderem historische, betriebsund sozialwissenschaftliche sowie informationstechnologische Aspekte umfassen, ist die ViFa BBI auch interdisziplinär von Interesse. Deshalb ist auch jeder am Buch- Bibliotheks- und Informationswesen Interessierte aufgerufen, sich bei der Entwicklung zu beteiligen. Partner beim Aufbau des Portals sind der - Fachbereich Informationswissenschaften der FH Potsdam, das - Informationszentrum für Informationswissenschaft und -praxis der Fachhochschule Potsdam, das - Kompetenznetzwerk für Bibliotheken (KNB) beim Deutschen Bibliotheksverband, die - Buchwissenschaft der Universität Erlangen-Nürnberg und die - Niedersächsische Staats- und Universitätsbibliothek Göttingen, die als DFG-Sondersammelgebietsbibliothek für das Fach »Informations-, Buch- und Bibliothekswesen« die Entwicklung koordiniert.
  18. Franco, A.: Gateways to the Internet : finding quality information on the Internet (2004) 0.01
    0.011768704 = product of:
      0.07453513 = sum of:
        0.025747105 = weight(_text_:web in 30) [ClassicSimilarity], result of:
          0.025747105 = score(doc=30,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.3059541 = fieldWeight in 30, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=30)
        0.025747105 = weight(_text_:web in 30) [ClassicSimilarity], result of:
          0.025747105 = score(doc=30,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.3059541 = fieldWeight in 30, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=30)
        0.023040922 = weight(_text_:services in 30) [ClassicSimilarity], result of:
          0.023040922 = score(doc=30,freq=2.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.2433798 = fieldWeight in 30, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.046875 = fieldNorm(doc=30)
      0.15789473 = coord(3/19)
    
    Abstract
    Librarians have long sought to select, evaluate, and organize information on the Internet. Efforts began with individual librarians sharing bookmark files of favorite sites and progressed to increasingly large, collaboratively produced general and subject/discipline-specific gateway Web sites or megasites. Megasites list major resources usually in a particular subject area or discipline. Library portals that review, evaluate, and sometimes rate and rank resources grew from some of these Web sites. Both megasites and portals serve as gateways to the Internet. Many portals have developed from relatively small static files into large, dynamically generated databases providing descriptive annotations of selected resources and are increasingly overseen as global projects with formal policies and procedures. Portals now provide increasingly complex and sophisticated browse and search capabilities with a multitude of access points, often including call numbers and subject headings. These are described and compared. Future trends such as increased collaboration among portals; automated location, selection, and cataloging of resources; integration of multiple resource types; and increased access to full-content and virtual library services are also discussed.
  19. Frias-Martinez, E.; Chen, S.Y.; Liu, X.: Automatic cognitive style identification of digital library users for personalization (2007) 0.01
    0.011768704 = product of:
      0.07453513 = sum of:
        0.025747105 = weight(_text_:web in 74) [ClassicSimilarity], result of:
          0.025747105 = score(doc=74,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.3059541 = fieldWeight in 74, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=74)
        0.025747105 = weight(_text_:web in 74) [ClassicSimilarity], result of:
          0.025747105 = score(doc=74,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.3059541 = fieldWeight in 74, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.046875 = fieldNorm(doc=74)
        0.023040922 = weight(_text_:services in 74) [ClassicSimilarity], result of:
          0.023040922 = score(doc=74,freq=2.0), product of:
            0.094670646 = queryWeight, product of:
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.025786186 = queryNorm
            0.2433798 = fieldWeight in 74, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.6713707 = idf(docFreq=3057, maxDocs=44218)
              0.046875 = fieldNorm(doc=74)
      0.15789473 = coord(3/19)
    
    Abstract
    Digital libraries have become one of the most important Web services for information seeking. One of their main drawbacks is their global approach: In general, there is just one interface for all users. One of the key elements in improving user satisfaction in digital libraries is personalization. When considering personalizing factors, cognitive styles have been proved to be one of the relevant parameters that affect information seeking. This justifies the introduction of cognitive style as one of the parameters of a Web personalized service. Nevertheless, this approach has one major drawback: Each user has to run a time-consuming test that determines his or her cognitive style. In this article, we present a study of how different classification systems can be used to automatically identify the cognitive style of a user using the set of interactions with a digital library. These classification systems can be used to automatically personalize, from a cognitive-style point of view, the interaction of the digital library and each of its users.
  20. Cervone, F.: Library portals and gateways (2009) 0.01
    0.011416489 = product of:
      0.072304435 = sum of:
        0.03003829 = weight(_text_:web in 3839) [ClassicSimilarity], result of:
          0.03003829 = score(doc=3839,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.35694647 = fieldWeight in 3839, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3839)
        0.03003829 = weight(_text_:web in 3839) [ClassicSimilarity], result of:
          0.03003829 = score(doc=3839,freq=4.0), product of:
            0.08415349 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.025786186 = queryNorm
            0.35694647 = fieldWeight in 3839, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.0546875 = fieldNorm(doc=3839)
        0.012227853 = product of:
          0.024455706 = sum of:
            0.024455706 = weight(_text_:22 in 3839) [ClassicSimilarity], result of:
              0.024455706 = score(doc=3839,freq=2.0), product of:
                0.09029883 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.025786186 = queryNorm
                0.2708308 = fieldWeight in 3839, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3839)
          0.5 = coord(1/2)
      0.15789473 = coord(3/19)
    
    Abstract
    Libraries have had web presences since the introduction of the World Wide Web. Providing access to information provided by the library has been attempted through various means throughout the years but no method has been as popular or pervasive as the uses of library gateways and portals. Development of gateways and portals in libraries has been affected by many factors many of which have been outside the direct control of libraries or librarians. Both the history of library practice in this area and these external factors have had a substantial impact on the state of library portal and gateway development today.
    Date
    27. 8.2011 14:22:27

Languages

  • e 88
  • d 63

Types

  • a 135
  • el 25
  • m 6
  • s 5
  • x 2
  • r 1
  • More… Less…