Search (30 results, page 1 of 2)

  • × language_ss:"e"
  • × theme_ss:"Information Gateway"
  • × type_ss:"el"
  • × year_i:[2000 TO 2010}
  1. Bartolo, L.M.; Lowe, C.S.; Sadoway, D.R.; Powell, A.C.; Glotzer, S.C.: NSDL MatDL : exploring digital library roles (2005) 0.04 
    0.03509516 = product of:
  0.07019032 = sum of:
    0.014865918 = weight(_text_:information in 1181) [ClassicSimilarity], result of:
      0.014865918 = score(doc=1181,freq=6.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.16796975 = fieldWeight in 1181, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1181)
    0.0553244 = weight(_text_:standards in 1181) [ClassicSimilarity], result of:
      0.0553244 = score(doc=1181,freq=2.0), product of:
        0.22470023 = queryWeight, product of:
          4.4569545 = idf(docFreq=1393, maxDocs=44218)
          0.050415643 = queryNorm
        0.24621427 = fieldWeight in 1181, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          4.4569545 = idf(docFreq=1393, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1181)
  0.5 = coord(2/4)
    Abstract
    A primary goal of the NSDL Materials Digital Library (MatDL) is to bring materials science research and education closer together. MatDL is exploring the various roles digital libraries can serve in the materials science community including: 1) supporting a virtual lab, 2) developing markup language applications, and 3) building tools for metadata capture. MatDL is being integrated into an MIT virtual laboratory experience. Early student self-assessment survey results expressed positive opinions of the potential value of MatDL in supporting a virtual lab and in accomplishing additional educational objectives. A separate survey suggested that the effectiveness of a virtual lab may approach that of a physical lab on some laboratory learning objectives. MatDL is collaboratively developing a materials property grapher (KSU and MIT) and a submission tool (KSU and U-M). MatML is an extensible markup language for exchanging materials information developed by materials data experts in industry, government, standards organizations, and professional societies. The web-based MatML grapher allows students to compare selected materials properties across approximately 80 MatML-tagged materials. The MatML grapher adds value in this educational context by allowing students to utilize real property data to make optimal material selection decisions. The submission tool has been integrated into the regular workflow of U-M students and researchers generating nanostructure images. It prompts users for domain-specific information, automatically generating and attaching keywords and editable descriptions.
    Theme
    Information Gateway
  2. Buckland, M.; Lancaster, L.: Combining place, time, and topic : the Electronic Cultural Atlas Initiative (2004) 0.03 
    0.026984949 = product of:
  0.053969897 = sum of:
    0.009710376 = weight(_text_:information in 1194) [ClassicSimilarity], result of:
      0.009710376 = score(doc=1194,freq=4.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.10971737 = fieldWeight in 1194, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.03125 = fieldNorm(doc=1194)
    0.044259522 = weight(_text_:standards in 1194) [ClassicSimilarity], result of:
      0.044259522 = score(doc=1194,freq=2.0), product of:
        0.22470023 = queryWeight, product of:
          4.4569545 = idf(docFreq=1393, maxDocs=44218)
          0.050415643 = queryNorm
        0.19697142 = fieldWeight in 1194, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          4.4569545 = idf(docFreq=1393, maxDocs=44218)
          0.03125 = fieldNorm(doc=1194)
  0.5 = coord(2/4)
    Abstract
    The Electronic Cultural Atlas Initiative was formed to encourage scholarly communication and the sharing of data among researchers who emphasize the relationships between place, time, and topic in the study of culture and history. In an effort to develop better tools and practices, The Electronic Cultural Atlas Initiative has sponsored the collaborative development of software for downloading and editing geo-temporal data to create dynamic maps, a clearinghouse of shared datasets accessible through a map-based interface, projects on format and content standards for gazetteers and time period directories, studies to improve geo-temporal aspects in online catalogs, good practice guidelines for preparing e-publications with dynamic geo-temporal displays, and numerous international conferences. The Electronic Cultural Atlas Initiative (ECAI) grew out of discussions among an international group of scholars interested in religious history and area studies. It was established as a unit under the Dean of International and Area Studies at the University of California, Berkeley in 1997. ECAI's mission is to promote an international collaborative effort to transform humanities scholarship through use of the digital environment to share data and by placing greater emphasis on the notions of place and time. Professor Lewis Lancaster is the Director. Professor Michael Buckland, with a library and information studies background, joined the effort as Co-Director in 2000. Assistance from the Lilly Foundation, the California Digital Library (University of California), and other sources has enabled ECAI to nurture a community; to develop a catalog ("clearinghouse") of Internet-accessible georeferenced resources; to support the development of software for obtaining, editing, manipulating, and dynamically visualizing geo-temporally encoded data; and to undertake research and development projects as needs and resources determine. Several hundred scholars worldwide, from a wide range of disciplines, are informally affiliated with ECAI, all interested in shared use of historical and cultural data. The Academia Sinica (Taiwan), The British Library, and the Arts and Humanities Data Service (UK) are among the well-known affiliates. However, ECAI mainly comprises individual scholars and small teams working on their own small projects on a very wide range of cultural, social, and historical topics. Numerous specialist committees have been fostering standardization and collaboration by area and by themes such as trade-routes, cities, religion, and sacred sites.
    Theme
    Information Gateway
  3. Goodchild, M.F.: ¬The Alexandria Digital Library Project : review, assessment, and prospects (2004) 0.02 
    0.022797368 = product of:
  0.045594737 = sum of:
    0.020812286 = weight(_text_:information in 1153) [ClassicSimilarity], result of:
      0.020812286 = score(doc=1153,freq=6.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23515764 = fieldWeight in 1153, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0546875 = fieldNorm(doc=1153)
    0.024782453 = product of:
      0.049564905 = sum of:
        0.049564905 = weight(_text_:organization in 1153) [ClassicSimilarity], result of:
          0.049564905 = score(doc=1153,freq=2.0), product of:
            0.17974974 = queryWeight, product of:
              3.5653565 = idf(docFreq=3399, maxDocs=44218)
              0.050415643 = queryNorm
            0.27574396 = fieldWeight in 1153, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5653565 = idf(docFreq=3399, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1153)
      0.5 = coord(1/2)
  0.5 = coord(2/4)
    Abstract
    The Alexandria Digital Library (ADL) was established in the late 1990s as a response to several perceived problems of traditional map libraries, notably access and organization. By 1999 it had evolved into an operational digital library, offering a well-defined set of services to a broad user community, based on an extensive collection of georeferenced information objects. The vision of ADL continues to evolve, as technology makes new services possible, as its users become more sophisticated and demanding, and as the broader field of geographic information science (GIScience) identifies new avenues for research and application.
    Theme
    Information Gateway
  4. Urs, S.R.; Angrosh, M.A.: Ontology-based knowledge organization systems in digital libraries : a comparison of experiments in OWL and KAON ontologies (2006 (?)) 0.02 
    0.017380109 = product of:
  0.034760218 = sum of:
    0.020598818 = weight(_text_:information in 2799) [ClassicSimilarity], result of:
      0.020598818 = score(doc=2799,freq=18.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23274568 = fieldWeight in 2799, product of:
          4.2426405 = tf(freq=18.0), with freq of:
            18.0 = termFreq=18.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.03125 = fieldNorm(doc=2799)
    0.014161401 = product of:
      0.028322803 = sum of:
        0.028322803 = weight(_text_:organization in 2799) [ClassicSimilarity], result of:
          0.028322803 = score(doc=2799,freq=2.0), product of:
            0.17974974 = queryWeight, product of:
              3.5653565 = idf(docFreq=3399, maxDocs=44218)
              0.050415643 = queryNorm
            0.15756798 = fieldWeight in 2799, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5653565 = idf(docFreq=3399, maxDocs=44218)
              0.03125 = fieldNorm(doc=2799)
      0.5 = coord(1/2)
  0.5 = coord(2/4)
    Abstract
    Grounded on a strong belief that ontologies enhance the performance of information retrieval systems, there has been an upsurge of interest in ontologies. Its importance is identified in diverse research fields such as knowledge engineering, knowledge representation, qualitative modeling, language engineering, database design, information integration, object-oriented analysis, information retrieval and extraction, knowledge management and agent-based systems design (Guarino, 1998). While the role-played by ontologies, automatically lends a place of legitimacy for these tools, research in this area gains greater significance in the wake of various challenges faced in the contemporary digital environment. With the objective of overcoming various pitfalls associated with current search mechanisms, ontologies are increasingly used for developing efficient information retrieval systems. An indicator of research interest in the area of ontology is the Swoogle, a search engine for Semantic Web documents, terms and data found on the Web (Ding, Li et al, 2004). Given the complex nature of the digital content archived in digital libraries, ontologies can be employed for designing efficient forms of information retrieval in digital libraries. Knowledge representation assumes greater significance due to its crucial role in ontology development. These systems aid in developing intelligent information systems, wherein the notion of intelligence implies the ability of the system to find implicit consequences of its explicitly represented knowledge (Baader and Nutt, 2003). Knowledge representation formalisms such as 'Description Logics' are used to obtain explicit knowledge representation of the subject domain. These representations are developed into ontologies, which are used for developing intelligent information systems. Against this backdrop, the paper examines the use of Description Logics for conceptually modeling a chosen domain, which would be utilized for developing domain ontologies. The knowledge representation languages identified for this purpose are Web Ontology Language (OWL) and KArlsruhe ONtology (KAON) language. Drawing upon the various technical constructs in developing ontology-based information systems, the paper explains the working of the prototypes and also presents a comparative study of the two prototypes.
    Theme
    Information Gateway
  5. Brahms, E.: Digital library initiatives of the Deutsche Forschungsgemeinschaft (2001) 0.02 
    0.015770756 = product of:
  0.03154151 = sum of:
    0.01029941 = weight(_text_:information in 1190) [ClassicSimilarity], result of:
      0.01029941 = score(doc=1190,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.116372846 = fieldWeight in 1190, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.046875 = fieldNorm(doc=1190)
    0.021242103 = product of:
      0.042484205 = sum of:
        0.042484205 = weight(_text_:organization in 1190) [ClassicSimilarity], result of:
          0.042484205 = score(doc=1190,freq=2.0), product of:
            0.17974974 = queryWeight, product of:
              3.5653565 = idf(docFreq=3399, maxDocs=44218)
              0.050415643 = queryNorm
            0.23635197 = fieldWeight in 1190, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5653565 = idf(docFreq=3399, maxDocs=44218)
              0.046875 = fieldNorm(doc=1190)
      0.5 = coord(1/2)
  0.5 = coord(2/4)
    Abstract
    The Deutsche Forschungsgemeinschaft (DFG) is the central public funding organization for academic research in Germany. It is thus comparable to a research council or a national research foundation. According to its statutes, DFG's mandate is to serve science and the arts in all fields by supporting research projects carried out at universities and public research institutions in Germany, to promote cooperation between researchers, and to forge and support links between German academic science, industry and partners in foreign countries. In the fulfillment of its tasks, the DFG pays special attention to the education and support of young scientists and scholars. DFG's mandate and operations follow the principle of territoriality. This means that its funding activities are restricted, with very few exceptions, to individuals and institutions with permanent addresses in Germany. Fellowships are granted for work in other countries, but most fellowship programs are restricted to German citizens, with a few exceptions for permanent residents of Germany holding foreign passports.
    Theme
    Information Gateway
  6. Blosser, J.; Michaelson, R.; Routh. R.; Xia, P.: Defining the landscape of Web resources : Concluding Report of the BAER Web Resources Sub-Group (2000) 0.01 
    0.011685811 = product of:
  0.023371622 = sum of:
    0.009710376 = weight(_text_:information in 1447) [ClassicSimilarity], result of:
      0.009710376 = score(doc=1447,freq=4.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.10971737 = fieldWeight in 1447, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.03125 = fieldNorm(doc=1447)
    0.013661247 = product of:
      0.027322493 = sum of:
        0.027322493 = weight(_text_:22 in 1447) [ClassicSimilarity], result of:
          0.027322493 = score(doc=1447,freq=2.0), product of:
            0.17654699 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050415643 = 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)
  0.5 = coord(2/4)
    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
    Theme
    Information Gateway
  7. Facet analytical theory for managing knowledge structure in the humanities : FATKS (2003) 0.01 
    0.006866273 = product of:
  0.027465092 = sum of:
    0.027465092 = weight(_text_:information in 2526) [ClassicSimilarity], result of:
      0.027465092 = score(doc=2526,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.3103276 = fieldWeight in 2526, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.125 = fieldNorm(doc=2526)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  8. Stoklasova, B.: Short survey of subject gateways activity (2003) 0.01 
    0.006007989 = product of:
  0.024031956 = sum of:
    0.024031956 = weight(_text_:information in 1931) [ClassicSimilarity], result of:
      0.024031956 = score(doc=1931,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.27153665 = fieldWeight in 1931, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.109375 = fieldNorm(doc=1931)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  9. Miller, P.: Towards a typology for portals (2003) 0.01 
    0.006007989 = product of:
  0.024031956 = sum of:
    0.024031956 = weight(_text_:information in 4087) [ClassicSimilarity], result of:
      0.024031956 = score(doc=4087,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.27153665 = fieldWeight in 4087, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.109375 = fieldNorm(doc=4087)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  10. Pinto, F.; Fraser, M.: Access management, the key to a Portal (2003) 0.01 
    0.006007989 = product of:
  0.024031956 = sum of:
    0.024031956 = weight(_text_:information in 4111) [ClassicSimilarity], result of:
      0.024031956 = score(doc=4111,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.27153665 = fieldWeight in 4111, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.109375 = fieldNorm(doc=4111)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  11. Lossau, N.: Search engine technology and digital libraries : libraries need to discover the academic internet (2004) 0.01 
    0.006007989 = product of:
  0.024031956 = sum of:
    0.024031956 = weight(_text_:information in 1161) [ClassicSimilarity], result of:
      0.024031956 = score(doc=1161,freq=8.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.27153665 = fieldWeight in 1161, product of:
          2.828427 = tf(freq=8.0), with freq of:
            8.0 = termFreq=8.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0546875 = fieldNorm(doc=1161)
  0.25 = coord(1/4)
    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
    Theme
    Information Gateway
  12. Kriewel, S.; Klas, C.P.; Schaefer, A.; Fuhr, N.: DAFFODIL : strategic support for user-oriented access to heterogeneous digital libraries (2004) 0.01 
    0.0052030715 = product of:
  0.020812286 = sum of:
    0.020812286 = weight(_text_:information in 4838) [ClassicSimilarity], result of:
      0.020812286 = score(doc=4838,freq=6.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23515764 = fieldWeight in 4838, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0546875 = fieldNorm(doc=4838)
  0.25 = coord(1/4)
    Abstract
    DAFFODIL is a search system for digital libraries aiming at strategic support during the information search process. From a user point of view this strategic support is mainly implemented by high-level search functions, so-called stratagems, which provide functionality beyond today's digital libraries. Through the tight integration of stratagems and with the federation of heterogeneous digital libraries, DAFFODIL reaches high effects of synergy for information and services. These effects provide high-quality metadata for the searcher through an intuitively controllable user interface. The implementation of stratagems follows a tool-based model.
    Theme
    Information Gateway
  13. Boss, R.W.: How to plan and implement a library portal (2002) 0.01 
    0.005149705 = product of:
  0.02059882 = sum of:
    0.02059882 = weight(_text_:information in 1574) [ClassicSimilarity], result of:
      0.02059882 = score(doc=1574,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23274569 = fieldWeight in 1574, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=1574)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  14. Schmidt, J.; Horn, A.; Thorsen, B.: Australian Subject Gateways, the successes and the challenges (2003) 0.01 
    0.005149705 = product of:
  0.02059882 = sum of:
    0.02059882 = weight(_text_:information in 1745) [ClassicSimilarity], result of:
      0.02059882 = score(doc=1745,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23274569 = fieldWeight in 1745, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=1745)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  15. Howarth, L.C.: Metadata schemes for subject gateways (2003) 0.01 
    0.005149705 = product of:
  0.02059882 = sum of:
    0.02059882 = weight(_text_:information in 1747) [ClassicSimilarity], result of:
      0.02059882 = score(doc=1747,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23274569 = fieldWeight in 1747, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=1747)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  16. Neubauer, W.: ¬The Knowledge portal or the vision of easy access to information (2009) 0.01 
    0.0051497044 = product of:
  0.020598818 = sum of:
    0.020598818 = weight(_text_:information in 2812) [ClassicSimilarity], result of:
      0.020598818 = score(doc=2812,freq=18.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.23274568 = fieldWeight in 2812, product of:
          4.2426405 = tf(freq=18.0), with freq of:
            18.0 = termFreq=18.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.03125 = fieldNorm(doc=2812)
  0.25 = coord(1/4)
    Abstract
    From a quantitative and qualitative point of view the ETH Library is offering its users an extensive choice of information services. In this respect all researchers, all scientists and also all students have access to nearly all relevant information. This is one side of the coin. On the other hand, this broad, but also heterogeneous bundle of information sources has disadvantages, which should not be underestimated: The more information services and information channels you have, the more complex is it to find what you want to get for your scientific work. A portal-like integration of all the different information resources is still missing. The vision, the main goal of the project "Knowledge Portal" is, to develop a central access system in terms of a "single-point-of-access" for all electronic information services. This means, that all these sources - from the library's catalogue and the fulltext inhouse applications to external, licensed sources - should be accessible via one central Web service. Although the primary target group for this vision is the science community of the ETH Zurich, the interested public should also be taken into account, for the library has also a nation-wide responsibility.The general idea to launch a complex project like that comes from a survey the library did one and a half years ago. We asked a defined sample of scientists what they expected to get from their library and one constant answer was, that they wanted to have one point of access to all the electronic library services and besides this, the search processes should be as simple as possible. We accepted this demand as an order to develop a "single-point-of-access" to all electronic services the library provides. The presentation gives an overview about the general idea of the project and describes the current status.
    Theme
    Information Gateway
  17. Severiens, T.; Hohlfeld, M.; Zimmermann, K.; Hilf, E.R.: PhysDoc - a distributed network of physics institutions documents : collecting, indexing, and searching high quality documents by using harvest (2000) 0.00 
    0.004797954 = product of:
  0.019191816 = sum of:
    0.019191816 = weight(_text_:information in 6470) [ClassicSimilarity], result of:
      0.019191816 = score(doc=6470,freq=10.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.21684799 = fieldWeight in 6470, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0390625 = fieldNorm(doc=6470)
  0.25 = coord(1/4)
    Abstract
    PhysNet offers online services that enable a physicist to keep in touch with the worldwide physics community and to receive all information he or she may need. In addition to being of great value to physicists, these services are practical examples of the use of modern methods of digital libraries, in particular the use of metadata harvesting. One service is PhysDoc. This consists of a Harvest-based online information broker- and gatherer-network, which harvests information from the local web-servers of professional physics institutions worldwide (mostly in Europe and USA so far). PhysDoc focuses on scientific information posted by the individual scientist at his local server, such as documents, publications, reports, publication lists, and lists of links to documents. All rights are reserved for the authors who are responsible for the content and quality of their documents. PhysDis is an analogous service but specifically for university theses, with their dual requirements of examination work and publication. The strategy is to select high quality sites containing metadata. We report here on the present status of PhysNet, our experience in operating it, and the development of its usage. To continuously involve authors, research groups, and national societies is considered crucial for a future stable service.
    Theme
    Information Gateway
  18. Fang, L.: ¬A developing search service : heterogeneous resources integration and retrieval system (2004) 0.00 
    0.004797954 = product of:
  0.019191816 = sum of:
    0.019191816 = weight(_text_:information in 1193) [ClassicSimilarity], result of:
      0.019191816 = score(doc=1193,freq=10.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.21684799 = fieldWeight in 1193, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1193)
  0.25 = coord(1/4)
    Abstract
    This article describes two approaches for searching heterogeneous resources, which are explained as they are used in two corresponding existing systems-RIRS (Resource Integration Retrieval System) and HRUSP (Heterogeneous Resource Union Search Platform). On analyzing the existing systems, a possible framework-the MUSP (Multimetadata-Based Union Search Platform) is presented. Libraries now face a dilemma. On one hand, libraries subscribe to many types of database retrieval systems that are produced by various providers. The libraries build their data and information systems independently. This results in highly heterogeneous and distributed systems at the technical level (e.g., different operating systems and user interfaces) and at the conceptual level (e.g., the same objects are named using different terms). On the other hand, end users want to access all these heterogeneous data via a union interface, without having to know the structure of each information system or the different retrieval methods used by the systems. Libraries must achieve a harmony between information providers and users. In order to bridge the gap between the service providers and the users, it would seem that all source databases would need to be rebuilt according to a uniform data structure and query language, but this seems impossible. Fortunately, however, libraries and information and technology providers are now making an effort to find a middle course that meets the requirements of both data providers and users. They are doing this through resource integration.
    Theme
    Information Gateway
  19. Stoklasova, B.; Balikova, M.; Celbová, L.: Relationship between subject gateways and national bibliographies in international context (engl. Fassung) (2003) 0.00 
    0.0042914203 = product of:
  0.017165681 = sum of:
    0.017165681 = weight(_text_:information in 1938) [ClassicSimilarity], result of:
      0.017165681 = score(doc=1938,freq=2.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.19395474 = fieldWeight in 1938, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.078125 = fieldNorm(doc=1938)
  0.25 = coord(1/4)
    Theme
    Information Gateway
  20. Janée, G.; Frew, J.; Hill, L.L.: Issues in georeferenced digital libraries (2004) 0.00 
    0.00424829 = product of:
  0.01699316 = sum of:
    0.01699316 = weight(_text_:information in 1165) [ClassicSimilarity], result of:
      0.01699316 = score(doc=1165,freq=4.0), product of:
        0.08850355 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.050415643 = queryNorm
        0.1920054 = fieldWeight in 1165, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.0546875 = fieldNorm(doc=1165)
  0.25 = coord(1/4)
    Abstract
    Based on a decade's experience with the Alexandria Digital Library Project, seven issues are presented that arise in creating georeferenced digital libraries, and that appear to be intrinsic to the problem of creating any library-like information system that operates on georeferenced and geospatial resources. The first and foremost issue is providing discovery of georeferenced resources. Related to discovery are the issues of gazetteer integration and specialized ranking of search results. Strong data typing and scalability are implementation issues. Providing spatial context is a critical user interface issue. Finally, sophisticated resource access mechanisms are necessary to operate on geospatial resources.
    Theme
    Information Gateway

Authors

Themes