Search (10 results, page 1 of 1)

0.03204851 = product of:
  0.08012127 = sum of:
    0.06125315 = weight(_text_:semantic in 5134) [ClassicSimilarity], result of:
      0.06125315 = score(doc=5134,freq=6.0), product of:
        0.19245663 = queryWeight, product of:
          4.1578603 = idf(docFreq=1879, maxDocs=44218)
          0.04628742 = queryNorm
        0.31826988 = fieldWeight in 5134, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          4.1578603 = idf(docFreq=1879, maxDocs=44218)
          0.03125 = fieldNorm(doc=5134)
    0.01886812 = product of:
      0.03773624 = sum of:
        0.03773624 = weight(_text_:web in 5134) [ClassicSimilarity], result of:
          0.03773624 = score(doc=5134,freq=6.0), product of:
            0.15105948 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.04628742 = queryNorm
            0.24981049 = fieldWeight in 5134, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=5134)
      0.5 = coord(1/2)
  0.4 = coord(2/5)

Abstract

Metadata research has emerged as a discipline cross-cutting many domains, focused on the provision of distributed descriptions (often called annotations) to Web resources or applications. Such associated descriptions are supposed to serve as a foundation for advanced services in many application areas, including search and location, personalization, federation of repositories and automated delivery of information. Indeed, the Semantic Web is in itself a concrete technological framework for ontology-based metadata. For example, Web-based social networking requires metadata describing people and their interrelations, and large databases with biological information use complex and detailed metadata schemas for more precise and informed search strategies. There is a wide diversity in the languages and idioms used for providing meta-descriptions, from simple structured text in metadata schemas to formal annotations using ontologies, and the technologies for storing, sharing and exploiting meta-descriptions are also diverse and evolve rapidly. In addition, there is a proliferation of schemas and standards related to metadata, resulting in a complex and moving technological landscape - hence, the need for specialized knowledge and skills in this area. The Handbook of Metadata, Semantics and Ontologies is intended as an authoritative reference for students, practitioners and researchers, serving as a roadmap for the variety of metadata schemas and ontologies available in a number of key domain areas, including culture, biology, education, healthcare, engineering and library science.

LCSH

Semantic networks (Information theory)

Subject

Semantic networks (Information theory)

0.027198423 = product of:
  0.067996055 = sum of:
    0.052317787 = weight(_text_:retrieval in 1753) [ClassicSimilarity], result of:
      0.052317787 = score(doc=1753,freq=10.0), product of:
        0.14001551 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.04628742 = queryNorm
        0.37365708 = fieldWeight in 1753, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1753)
    0.015678266 = product of:
      0.031356532 = sum of:
        0.031356532 = weight(_text_:22 in 1753) [ClassicSimilarity], result of:
          0.031356532 = score(doc=1753,freq=2.0), product of:
            0.16209066 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04628742 = queryNorm
            0.19345059 = fieldWeight in 1753, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1753)
      0.5 = coord(1/2)
  0.4 = coord(2/5)

Abstract

This book offers a comprehensive and consistent mathematical approach to information retrieval (IR) without which no implementation is possible, and sheds an entirely new light upon the structure of IR models. It contains the descriptions of all IR models in a unified formal style and language, along with examples for each, thus offering a comprehensive overview of them. The book also creates mathematical foundations and a consistent mathematical theory (including all mathematical results achieved so far) of IR as a stand-alone mathematical discipline, which thus can be read and taught independently. Also, the book contains all necessary mathematical knowledge on which IR relies, to help the reader avoid searching different sources. The book will be of interest to computer or information scientists, librarians, mathematicians, undergraduate students and researchers whose work involves information retrieval.

Date

22. 3.2008 12:26:32

LCSH

Information storage and retrieval

Subject

Information storage and retrieval

0.011704066 = product of:
  0.029260164 = sum of:
    0.019853204 = weight(_text_:retrieval in 2514) [ClassicSimilarity], result of:
      0.019853204 = score(doc=2514,freq=4.0), product of:
        0.14001551 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.04628742 = queryNorm
        0.1417929 = fieldWeight in 2514, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.0234375 = fieldNorm(doc=2514)
    0.00940696 = product of:
      0.01881392 = sum of:
        0.01881392 = weight(_text_:22 in 2514) [ClassicSimilarity], result of:
          0.01881392 = score(doc=2514,freq=2.0), product of:
            0.16209066 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04628742 = queryNorm
            0.116070345 = fieldWeight in 2514, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0234375 = fieldNorm(doc=2514)
      0.5 = coord(1/2)
  0.4 = coord(2/5)

Content

Enthält die Beiträge: Zins, C.: Knowledge map of information science: issues, principles, implications. - Lin, X., S. Aluker u. W. Zhu u.a.: Dynamic concept representation through a visual concept explorer. - Kohlbacher, F.: Knowledge organization(s) in Japan: empirical evidence from Japanese and western corporations. - Beghtol, C.: The global learning society and the iterative relationship between theory and practice in knowledge organization systems. - Tennis, J.T.: Function, purpose, predication, and context of information organization frameworks. - Doyle, A.: Naming and reclaiming knowledges in public intersections of landscapes and experience. - Qin, J., P. Creticos u. W.Y. Hsiao: Adaptive modeling of workforce domain knowledge. - Gnoli, C.: The meaning of facets in non-disciplinary classifications. - Loehrlein, A., E.K. Jacob u. S. Lee u.a.: Development of heuristics in a hybrid approach to faceted classification. - Thellefsen, M.: The dynamics of information representation and knowledge mediation. - LaBarre, K.: A multi faceted view: use of facet analysis in the practice of website organization and access. - Smiraglia, R.P.: Empiricism as the basis for metadata categorisation: expanding the case for instantiation with archival documents. - Bean, C.A.: Hierarchical relationships used in mapping between knowledge structures. - Friedman, A.: Concept mapping a measurable sign. - Naumis Pena, C.: Evaluation of educational thesauri. - Biagetti, M.T.: Indexing and scientific research needs. - Robert, C.A., A. Davis: Annotation and its application to information research in economic intelligence. - Mcllwaine, I.C., J.S. Mitchel: The new ecumenism: exploration of a DDC / UDC view of religion. - Hajdu Barát, A.: Usability and the user interfaces of classical information retrieval languages. - Eito Brun, R.: Uncovering hidden clues about geographic visualization in LCC. - Williamson, N.J.: Knowledge structures and the Internet progress and prospects. - Pajarillo, E.J.Y.: A classification scheme to determine medical necessity: a knowledge organization global learning application. - López-Huertas, M.J.: Thematic map of interdisciplinary domains based on their terminological representation: the gender studies. - Rodriguez Bravo, B.: The visibility of women in indexing languages. - Beall, J., D. Vizine-Goetz: Finding fiction: facilitating access to works of the imagination scattered by form and format. - Kwasnik, B.H., Y.L. Chun u. K. Crowston u.a.: Challenges in ceating a taxonomy of genres of digital documents. - Simon, J.: Interdisciplinary knowledge creation: using wikis in science. - Gabel, J.: Improving information retrieval of subjects through citation-analysis: a study. - Lee, H.L.: Navigating hierarchies vs. searching by keyword: two cultural perspectives. - Loehrlein, A., R. Martin u. E.L. Robertson: Integration of international standards in the domain of manufacturing enterprise. -

Date

27.12.2008 11:22:36

0.009264829 = product of:
  0.04632414 = sum of:
    0.04632414 = weight(_text_:retrieval in 1283) [ClassicSimilarity], result of:
      0.04632414 = score(doc=1283,freq=4.0), product of:
        0.14001551 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.04628742 = queryNorm
        0.33085006 = fieldWeight in 1283, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.0546875 = fieldNorm(doc=1283)
  0.2 = coord(1/5)

RSWK

Information Retrieval / Kongress / Frankfurt <Main, 2005>

Subject

Information Retrieval / Kongress / Frankfurt <Main, 2005>

0.005294188 = product of:
  0.026470939 = sum of:
    0.026470939 = weight(_text_:retrieval in 2785) [ClassicSimilarity], result of:
      0.026470939 = score(doc=2785,freq=4.0), product of:
        0.14001551 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.04628742 = queryNorm
        0.18905719 = fieldWeight in 2785, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.03125 = fieldNorm(doc=2785)
  0.2 = coord(1/5)

LCSH

Information storage and retrieval systems

Subject

Information storage and retrieval systems

0.0050170454 = product of:
  0.025085226 = sum of:
    0.025085226 = product of:
      0.05017045 = sum of:
        0.05017045 = weight(_text_:22 in 4654) [ClassicSimilarity], result of:
          0.05017045 = score(doc=4654,freq=2.0), product of:
            0.16209066 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04628742 = queryNorm
            0.30952093 = fieldWeight in 4654, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=4654)
      0.5 = coord(1/2)
  0.2 = coord(1/5)

Date

22. 1.2017 17:12:50

0.004357406 = product of:
  0.021787029 = sum of:
    0.021787029 = product of:
      0.043574058 = sum of:
        0.043574058 = weight(_text_:web in 3026) [ClassicSimilarity], result of:
          0.043574058 = score(doc=3026,freq=8.0), product of:
            0.15105948 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.04628742 = queryNorm
            0.2884563 = fieldWeight in 3026, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=3026)
      0.5 = coord(1/2)
  0.2 = coord(1/5)

Abstract

Bibliometrics has moved well beyond the mere tracking of bibliographic citations. The web enables new ways to measure scholarly productivity and impact, making available tools and data that can reveal patterns of intellectual activity and impact that were previously invisible: mentions, acknowledgments, endorsements, downloads, recommendations, blog posts, tweets. This book describes recent theoretical and practical advances in metrics-based research, examining a variety of alternative metrics -- or "altmetrics" -- while also considering the ethical and cultural consequences of relying on metrics to assess the quality of scholarship. Once the domain of information scientists and mathematicians, bibliometrics is now a fast-growing, multidisciplinary field that ranges from webometrics to scientometrics to influmetrics. The contributors to Beyond Bibliometrics discuss the changing environment of scholarly publishing, the effects of open access and Web 2.0 on genres of discourse, novel analytic methods, and the emergence of next-generation metrics in a performance-conscious age.

Content

Inhalt: Scholars and scripts, spoors and scores / Blaise CroninHistory and evolution of (biblio)metrics / Nicola De Bellis -- The citation : from culture to infrastructure / Paul Wouters -- The data it is me! / Ronald E. Day -- The ethics of evaluative bibliometrics / Jonathan Furner -- Criteria for evaluating indicators / Yves Gingras -- Obliteration by incorporation / Katherine W. McCain -- A network approach to scholarly evaluation / Jevin D. West and Daril A. Vilhena -- Science visualization and discursive knowledge / Loet Leydesdorff -- Measuring interdisciplinarity / Vincent Larivière and Yves Gingras -- Bibliometric standards for evaluating research institutes in the natural sciences / Lutz Bornmann, Benjamin E. Bowman, Jonathan Bauer, Werner Marx, Hermann Schier and Margit Palzenberger -- Identifying and quantifying research strengths using market segmentation / Kevin W. Boyack and Richard Klavans -- Finding and recommending scholarly articles / Michael J. Kurtz and Edwin A. Henneken -- Altmetrics / Jason Priem -- Web impact measures for research assessment / Kayvan Kousha and Mike Thelwall -- Bibliographic references in Web 2.0 / Judit Bar-Illan, Hadas Shema and Mike Thelwall -- Readership metrics / Stefanie Haustein -- Evaluating the work of judges / Peter Hook -- Academic genealogy / Cassidy R. Sugimoto -- A publishing perspective on bibliometrics / Judith Kamalski, Andrew Plume and Mayur Amin -- Science metrics and science policy / Julia Lane, Mark Largent and Rebecca Rosen.

0.0033088673 = product of:
  0.016544336 = sum of:
    0.016544336 = weight(_text_:retrieval in 3347) [ClassicSimilarity], result of:
      0.016544336 = score(doc=3347,freq=4.0), product of:
        0.14001551 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.04628742 = queryNorm
        0.11816074 = fieldWeight in 3347, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.01953125 = fieldNorm(doc=3347)
  0.2 = coord(1/5)

LCSH

Information retrieval

Subject

Information retrieval

0.0032420147 = product of:
  0.016210074 = sum of:
    0.016210074 = weight(_text_:retrieval in 440) [ClassicSimilarity], result of:
      0.016210074 = score(doc=440,freq=6.0), product of:
        0.14001551 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.04628742 = queryNorm
        0.11577342 = fieldWeight in 440, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.015625 = fieldNorm(doc=440)
  0.2 = coord(1/5)

Footnote

Rez. in: JASIST 58(2007) no.4, S.607-608 (A.D. Petrou): "One small example of a tension in the book's chapters can be expressed as: What exactly falls under information management (IM) as a domain of study? Is it content and research about a traditional life cycle of information, or is it the latter and also any other important issue in information research, such as culture, virtual reality, and online behavior, and communities of practice? In chapter 13, T.D. Wilson states, "Information management is the management of the life cycle to the point of delivery to the information user" (p. 164), yet as he also recognizes, other aspects of information are now included as IM's study matter. On p. 163 of the same chapter, Wilson offers Figure 12.2, titled "The extended life cycle of information." The life cycle in this case includes the following information stages: acquisition, organization, storage, retrieval, access and lending, and dissemination. All of these six stages Wilson labels, inside the circle, as IM. The rest of the extended information life cycle is information use, which includes use, sharing, and application. Chapter 3's author, Gunilla Widen-Wulff, quoting Davenport (1994), states "effective IM is about helping people make effective use of the information, rather than the machines" (p. 31). Widen-Wulff, however, addresses IM from an information culture perspective. To review the book's critical content, IM definitions and research methodology and methods reported in chapters are critically summarized next. This will provide basic information for anyone interested in using the book as an information research reader.

LCSH

Information retrieval

Subject

Information retrieval

0.002178703 = product of:
  0.010893514 = sum of:
    0.010893514 = product of:
      0.021787029 = sum of:
        0.021787029 = weight(_text_:web in 5153) [ClassicSimilarity], result of:
          0.021787029 = score(doc=5153,freq=2.0), product of:
            0.15105948 = queryWeight, product of:
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.04628742 = queryNorm
            0.14422815 = fieldWeight in 5153, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2635105 = idf(docFreq=4597, maxDocs=44218)
              0.03125 = fieldNorm(doc=5153)
      0.5 = coord(1/2)
  0.2 = coord(1/5)

Abstract

This highly practical handbook teaches you how to unlock the value of your existing metadata through cleaning, reconciliation, enrichment and linking and how to streamline the process of new metadata creation. Libraries, archives and museums are facing up to the challenge of providing access to fast growing collections whilst managing cuts to budgets. Key to this is the creation, linking and publishing of good quality metadata as Linked Data that will allow their collections to be discovered, accessed and disseminated in a sustainable manner. This highly practical handbook teaches you how to unlock the value of your existing metadata through cleaning, reconciliation, enrichment and linking and how to streamline the process of new metadata creation. Metadata experts Seth van Hooland and Ruben Verborgh introduce the key concepts of metadata standards and Linked Data and how they can be practically applied to existing metadata, giving readers the tools and understanding to achieve maximum results with limited resources. Readers will learn how to critically assess and use (semi-)automated methods of managing metadata through hands-on exercises within the book and on the accompanying website. Each chapter is built around a case study from institutions around the world, demonstrating how freely available tools are being successfully used in different metadata contexts. This handbook delivers the necessary conceptual and practical understanding to empower practitioners to make the right decisions when making their organisations resources accessible on the Web. Key topics include, the value of metadata; metadata creation - architecture, data models and standards; metadata cleaning; metadata reconciliation; metadata enrichment through Linked Data and named-entity recognition; importing and exporting metadata; ensuring a sustainable publishing model. This will be an invaluable guide for metadata practitioners and researchers within all cultural heritage contexts, from library cataloguers and archivists to museum curatorial staff. It will also be of interest to students and academics within information science and digital humanities fields. IT managers with responsibility for information systems, as well as strategy heads and budget holders, at cultural heritage organisations, will find this a valuable decision-making aid.