Search (107 results, page 3 of 6)

  • × theme_ss:"Information Gateway"
  1. Hudon, M.; Mas, E.S.: Structure, logic, and semantics for Web-based collections in education (2006) 0.00 
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    Abstract
    Results of a project focusing on six Web-based collections in education. Our analysis of homegrown classification structures considers three dimensions. "Structure" is described through quantitative data (e.g. Number of main categories, Number of hierarchical levels, etc.). "Logic" concentrates on two aspects of the subdividing process: division principle, and type of hierarchical relation. "Semantics" relates to concepts and their representation in the form of terms. In our sample, the classification structures are hierarchical, not overly complex and not very specific. The choice, arrangement and sequence of classes are logical. Conceptual and terminological inconsistencies are due to significant gaps in conceptual coverage and lack of terminological control.
  2. Price, A.: NOVAGate : a Nordic gateway to electronic resources in the forestry, veterinary and agricultural sciences (2000) 0.00 
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    Date
    22. 6.2002 19:41:00
  3. Koch, T.: Quality-controlled subject gateways : definitions, typologies, empirical overview (2000) 0.00 
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    Date
    22. 6.2002 19:37:55
  4. Mitchell, S.; Mason, J.; Pender, L.: Enabling technologies and service designs for collaborative Internet collection building (2004) 0.00 
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    Source
    Library hi tech. 22(2004) no.3, S.295-306
  5. Schaer, P.: Integration von Open-Access-Repositorien in Fachportale (2010) 0.00 
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    Source
    Wissensspeicher in digitalen Räumen: Nachhaltigkeit - Verfügbarkeit - semantische Interoperabilität. Proceedings der 11. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation, Konstanz, 20. bis 22. Februar 2008. Hrsg.: J. Sieglerschmidt u. H.P.Ohly
  6. Internet searching and indexing : the subject approach (2000) 0.00 
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    Abstract
    This comprehensive volume offers usable information for people at all levels of Internet savvy. It can teach librarians, students, and patrons how to search the Internet more systematically. It also helps information professionals design more efficient, effective search engines and Web pages.
  7. Meinhardt, H.: Ungenutzte Potenziale : Konzept und Angebot der Deutschen Internetbibliothek (2004) 0.00 
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    Abstract
    Mit der Deutschen Internetbibliothek soll einer breiten Öffentlichkeit ein allgemeines Themenportal im Netz zur Verfügung gestellt werden. Ähnlich wie das jüngst eröffnete Portal Vascoda als Dienstleistung der wissenschaftlichen Bibliotheken und Informationseinrichtungen wird auch die Deutsche Internetbibliothek in Kooperation erstellt und gepflegt: Rund siebzig deutsche und österreichische Öffentliche Bibliotheken suchen nach relevanten Internetquellen, bewerten und rubrizieren einschlägige Angebote im Web - ein erstes Resümee nach fast einjährigem Betrieb des »Wissensportals der Bibliotheken«.
  8. Buck, T.: Virtuelle Fachbibliothek Politikwissenschaft (ViFaPol) : Politikwissenschaftlicher Web-Suchraum freigeschaltet (2006) 0.00 
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    Content
    Für viele Wissenschaftler ist das Internet nach wie vor Fluch und Segen zugleich - unzählige Informationen, aber kaum ein sachgerechter, selektiver Zugriff auf validierte Quellen. Überfällig sind deshalb Dienste, die der hohen Qualitätsanforderung und Erwartungshaltung der Wissenschaft an die Webrecherche gerecht werden. Im Prinzip gibt es derzeit zwei konkurrierende Strategien zur Lösung dieses Problems. Suchmaschinenanbieter versuchen dem täglich wachsenden Informationsangebot im Internet mit immer ausgeklügelteren Suchtechnologien zu begegnen und liefern in vielen Fällen auch sehr gute Ergebnisse. Für die fachwissenschaftliche Recherche sind Suchmaschinen jedoch nicht in jedem Fall die erste Wahl. Insbesondere bei einem thematischen Sucheinstieg liefern Suchmaschinen unbefriedigende Treffer. Zu nennen sind hier schlagwortartig u.a. zu große Treffermengen, mangelnde Authentizität oder eine nicht nachprüfbare Verlässlichkeit der Quellen. Zudem wird auch das "Deep Web" von den Suchmaschinen nicht oder nur schwer erreicht. Die wissenschaftlichen Bibliotheken dagegen setzten bislang auf das Prinzip der intellektuellen Auswahl, Katalogisierung und Beschreibung fachlich relevanter Internetquellen. Im Kontext der Virtuellen Fachbibliotheken werden umfangreiche Linksammlungen aufgebaut, den so genannten Fachinformationsführern oder auch den "quality controlled subject gateways", in denen i.d.R. ausschließlich fachlich relevante Quellen nachgewiesen werden. Doch die Zahl der nachgewiesenen Quellen bewegt sich meist im tausenderbereich und ruft Kritiker auf den Plan, die nicht gänzlich unbegründet die Frage nach der Sinnhaftigkeit stellen, das Web mit bibliothekarischen Mitteln katalogisieren zu wollen. Diese Kritik zeigt deutlich die Grenzen von Fachinformationsführern auf, die von vielen übersehen werden. Ein Fachinformationsführer kann allenfalls den Zugang zu den zentralen Einstiegspunkten bieten. Der besondere Mehrwert liegt darin, dass die Nutzer ausschließlich Quellen findet, die einen strengen Auswahlprozess durchlaufen haben und über einen thematischen Zugang (Browsing) erreichbar sind. Was fehlt ist ein Zugang zu einem fachwissenschaftlichen Websuchraum, in dem ausschließlich fachlich relevante Quellen - auch aus dem "Deep Web" zu finden sind. Für die Virtuelle Fachbibliothek Politikwissenschaft (ViFaPol) konnte diese Lücke durch eine Kooperation mit dem Suchmaschinenanbieter Seekport lnternet Techno-logies (www.seekport.de) geschlossen werden. Seekport realisiert auf der Basis der ca. 3.800 Quellen, die im Fachinformationsführer nachgewiesen sind, eine Volltextsuche in den Quellen bis zur 3. Hierarchieebene. In ViFaPol können Wissenschaftler nunmehr in einem fachlichen Websuchraum mit knapp 21/2 Millionen Seiten recherchieren, darunter mehr als 140.000 wissenschaftliche Volltexte (PDF-Dokumente). Ziel der Partnerschaft zwischen Bibliothek und Suchmaschinenanbieter ist die Zusammenführung des Besten aus beiden Welten ist das Ziel der Partnerschaft von Bibliothek und Suchmaschinenanbieter - ein Beispiel, das Schule machen könnte."
  9. Meißner, B.: ViFaArt: eine virtuelle Fachbibliothek zur Gegenwartskunst (2004) 0.00 
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    Abstract
    Virtuelle Quellen zur Kunst-Erschließung und Recherchewar das Thema eines Workshops, der am 16. Oktober 2003 in der Sächsischen Landesbibliothek - Staats- und Universitätsbibliothek Dresden (SLUB) veranstaltet wurde. Anliegen war die Präsentation des DFG-geförderten Projektes ViFaArtVirtuelle Fachbibliothek Gegenwartskunst. Im Folgenden wird dieses Projekt näher vorgestellt. Schwerpunkt der Darstellung wird der hierbei entwickelte Katalog von Webseiten bzw. Internetquellen sein (Art-Guide). Die Auseinandersetzung mit Internetquellen und ihre Nutzung für die Informationsgewinnung ist auch für die Kunstwissenschaft zum aktuellen Thema geworden. Eine Hauptaufgabe des World Wide Web liegt neben dem schnellen und direkten Informationsaustausch in der Vermittlung von Information - einem Hauptanliegen wissenschaftlicher Bibliotheken überhaupt. Somit rückt die Problematik auch immer näher an den Aufgabenkreis von Bibliotheken heran. Es stellen sich Fragen wie: Welche Art von Informationen liegen im Web bereit, sind sie vertrauenswürdig, wie kann man sie nutzen und vor allem: wie sind sie zu finden? Seit 2000 wird an der SLUB eine Virtuelle Fachbibliothek zur Gegenwartskunst projektiert: ViFaArt. Das Projekt ist Partner von Vascoda, dem interdisziplinären Internetportal für wissenschaftliche Information in Deutschland. Unter http:// www.vascoda.de/sind Online- und Print-Informationen von derzeit über 20 Virtuellen Fachbibliotheken, 4 Informationsverbünden und der Elektronischen Zeitschriftenbibliothek (EZB) abrufbar. Anfang des nächsten Jahres wird auch ViFaArt den Katalog der Internetquellen (Art-Guide, vgl. unten) als Datenbank dort einbringen. Eine Metasuche über Vascoda wird dann also immer auch alle ArtGuide-Katalogisate berücksichtigen.
  10. Chowdhury, G.G.: Digital libraries and reference services : present and future (2002) 0.00 
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    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.
  11. Fife, E.D.; Husch, L.: ¬The Mathematics Archives : making mathematics easy to find on the Web (1999) 0.00 
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    Abstract
    Do a search on AltaVista for "algebra". What do you get? Nearly 700,000 hits, of which AltaVista will allow you to view only what it determines is the top 200. Major search engines such as AltaVista, Excite, HotBot, Lycos, and the like continue to provide a valuable service, but with the recent growth of the Internet, topic-specific sites that provide some organization to the topic are increasingly important. It the goal of the Mathematics Archives to make it easier for the ordinary user to find useful mathematical information on the Web. The Mathematics Archives (http://archives.math.utk.edu) is a multipurpose site for mathematics on the Internet. The focus is on materials which can be used in mathematics education (primarily at the undergraduate level). Resources available range from shareware and public domain software to electronic proceedings of various conferences, to an extensive collection of annotated links to other mathematical sites. All materials on the Archives are categorized and cross referenced for the convenience of the user. Several search mechanisms are provided. The Harvest search engine is implemented to provide a full text search of most of the pages on the Archives. The software we house and our list of annotated links to mathematical sites are both categorized by subject matter. Each of these collections has a specialized search engine to assist the user in locating desired material. Services at the Mathematics Archives are divided up into five broad topics: * Links organized by Mathematical Topics * Software * Teaching Materials * Other Math Archives Features * Other Links
  12. Mayr, P.; Mutschke, P.; Petras, V.: Reducing semantic complexity in distributed digital libraries : Treatment of term vagueness and document re-ranking (2008) 0.00 
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    Footnote
    Beitrag eines Themenheftes "Digital libraries and the semantic web: context, applications and research".
    Theme
    Semantic Web
  13. Shiri, A.; Molberg, K.: Interfaces to knowledge organization systems in Canadian digital library collections (2005) 0.00 
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    Abstract
    Purpose - The purpose of this paper is to report an investigation into the ways in which Canadian digital library collections have incorporated knowledge organization systems into their search interfaces. Design/methodology/approach - A combination of data-gathering techniques was used. These were as follows: a review of the literature related to the application of knowledge organization systems, deep scanning of Canadian governmental and academic institutions web sites on the web, identify and contact researchers in the area of knowledge organization, and identify and contact people in the governmental organizations who are involved in knowledge organization and information management. Findings - A total of 33 digital collections were identified that have made use of some type of knowledge organization system. Thesauri, subject heading lists and classification schemes were the widely used knowledge organization systems in the surveyed Canadian digital library collections. Research limitations/implications - The target population for this research was limited to governmental and academic digital library collections. Practical implications - An evaluation of the knowledge organization systems interfaces showed that searching, browsing and navigation facilities as well as bilingual features call for improvements. Originality/value - This research contributes to the following areas: digital libraries, knowledge organization systems and services and search interface design.
  14. Hickey, T.R.: CORC : a system for gateway creation (2000) 0.00 
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    Abstract
    CORC is an OCLC project that id developing tools and systems to enable libraries to provide enhanced access to Internet resources. By adapting and extending library techniques and procedures, we are developing a self-supporting system capable of describing a large and useful subset of the Web. CORC is more a system for hosting and supporting subject gateways than a gateway itself and relies on large-scale cooperation among libraries to maintain a centralized database. By supporting emerging metadata standards such as Dublin Core and other standards such as Unicode and RDF, CORC broadens the range of libraries and librarians able to participate. Current plans are for OCLC as a full service in July 2000
  15. LaBarre, K.: Adventures in faceted classification: a brave new world or a world of confusion? (2004) 0.00 
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    Abstract
    A preliminary, purposive survey of definitions and current applications of facet analytical theory (FA) is used to develop a framework for the analysis of Websites. This set of guidelines may well serve to highlight commonalities and differences among FA applications an the Web. Rather than identifying FA as the terrain of a particular interest group, the goal is to explore current practices, uncover common misconceptions, extend understanding, and highlight developments that augment the traditional practice of FA and faceted classification (FC).
  16. Dawson, A.: Creating metadata that work for digital libraries and Google (2004) 0.00 
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    Abstract
    For many years metadata has been recognised as a significant component of the digital information environment. Substantial work has gone into creating complex metadata schemes for describing digital content. Yet increasingly Web search engines, and Google in particular, are the primary means of discovering and selecting digital resources, although they make little use of metadata. This article considers how digital libraries can gain more value from their metadata by adapting it for Google users, while still following well-established principles and standards for cataloguing and digital preservation.
  17. Kübler, S.; Ratzek, W.; Wursthorn, L.; Ziltz, N.: Content is King : Projekt B.I.T.Wiki geht online! (2007) 0.00 
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    Abstract
    Zwölf Studierende des Studiengangs Bibliotheks- und Informationsmanagement der Hochschule der Medien in Stuttgart entwickelten ein Online-Wissens-Portal mit dem Schwerpunkt Informationswesen. Ziel des Projekts ist es, eine ausbaufähige Online-Plattform aufzubauen, die Informationsspezialisten einen kommunikativen Ort der Informationsbeschaffung und fachlichen Diskussion bietet. Bezugnehmend auf die aktuelle Thematik des Web 2.0 und der kollektiven Intelligenz, stellt das B.I.T.Wiki so eine zeitgemäße Möglichkeit dar, Beiträge rund um das Informationswesen der Fachöffentlichkeit zugänglich zu machen. Alle Spezialisten aus dem Informationssektor sind aufgerufen, andere an ihrem Wissen teilhaben zu lassen und am Aufbau des Portals aktiv mitzuarbeiten.
  18. Renda, M.E.; Straccia, U.: ¬A personalized collaborative Digital Library environment : a model and an application (2005) 0.00 
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    Abstract
    The Web, and consequently the information contained in it, is growing rapidly. Every day a huge amount of newly created information is electronically published in Digital Libraries, whose aim is to satisfy users' information needs. In this paper, we envisage a Digital Library not only as an information resource where users may submit queries to satisfy their daily information need, but also as a collaborative working and meeting space of people sharing common interests. Indeed, we will present a personalized collaborative Digital Library environment, where users may organize the information space according to their own subjective view, may build communities, may become aware of each other, may exchange information and knowledge with other users, and may get recommendations based on preference patterns of users.
  19. Lossau, N.: Search engine technology and digital libraries : libraries need to discover the academic internet (2004) 0.00 
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    Abstract
    With the development of the World Wide Web, the "information search" has grown to be a significant business sector of a global, competitive and commercial market. Powerful players have entered this market, such as commercial internet search engines, information portals, multinational publishers and online content integrators. Will Google, Yahoo or Microsoft be the only portals to global knowledge in 2010? If libraries do not want to become marginalized in a key area of their traditional services, they need to acknowledge the challenges that come with the globalisation of scholarly information, the existence and further growth of the academic internet
  20. Wagner, S.: Barrierefreie und thesaurusbasierte Suchfunktion für das Webportal der Stadt Nürnberg (2007) 0.00 
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    Theme
    Semantic Web

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