Search (34 results, page 1 of 2)

  • × theme_ss:"Beziehungen verbale / systematische Erschließung"
  1. Gabler, S.: Vergabe von DDC-Sachgruppen mittels eines Schlagwort-Thesaurus (2021) 0.09 
    0.08612616 = sum of:
  0.06907413 = product of:
    0.20722239 = sum of:
      0.20722239 = weight(_text_:3a in 1000) [ClassicSimilarity], result of:
        0.20722239 = score(doc=1000,freq=2.0), product of:
          0.4424535 = queryWeight, product of:
            8.478011 = idf(docFreq=24, maxDocs=44218)
            0.05218836 = queryNorm
          0.46834838 = fieldWeight in 1000, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            8.478011 = idf(docFreq=24, maxDocs=44218)
            0.0390625 = fieldNorm(doc=1000)
    0.33333334 = coord(1/3)
  0.0070499717 = weight(_text_:of in 1000) [ClassicSimilarity], result of:
    0.0070499717 = score(doc=1000,freq=2.0), product of:
      0.08160993 = queryWeight, product of:
        1.5637573 = idf(docFreq=25162, maxDocs=44218)
        0.05218836 = queryNorm
      0.086386204 = fieldWeight in 1000, product of:
        1.4142135 = tf(freq=2.0), with freq of:
          2.0 = termFreq=2.0
        1.5637573 = idf(docFreq=25162, maxDocs=44218)
        0.0390625 = fieldNorm(doc=1000)
  0.010002062 = product of:
    0.020004123 = sum of:
      0.020004123 = weight(_text_:science in 1000) [ClassicSimilarity], result of:
        0.020004123 = score(doc=1000,freq=2.0), product of:
          0.13747036 = queryWeight, product of:
            2.6341193 = idf(docFreq=8627, maxDocs=44218)
            0.05218836 = queryNorm
          0.1455159 = fieldWeight in 1000, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            2.6341193 = idf(docFreq=8627, maxDocs=44218)
            0.0390625 = fieldNorm(doc=1000)
    0.5 = coord(1/2)
    Content
    Master thesis Master of Science (Library and Information Studies) (MSc), Universität Wien. Advisor: Christoph Steiner. Vgl.: https://www.researchgate.net/publication/371680244_Vergabe_von_DDC-Sachgruppen_mittels_eines_Schlagwort-Thesaurus. DOI: 10.25365/thesis.70030. Vgl. dazu die Präsentation unter: https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=web&cd=&ved=0CAIQw7AJahcKEwjwoZzzytz_AhUAAAAAHQAAAAAQAg&url=https%3A%2F%2Fwiki.dnb.de%2Fdownload%2Fattachments%2F252121510%2FDA3%2520Workshop-Gabler.pdf%3Fversion%3D1%26modificationDate%3D1671093170000%26api%3Dv2&psig=AOvVaw0szwENK1or3HevgvIDOfjx&ust=1687719410889597&opi=89978449.
  2. Karg, H.: Mapping Dewey and subject authorities : CrissCross (2007) 0.04 
    0.039563164 = product of:
  0.059344746 = sum of:
    0.016919931 = weight(_text_:of in 559) [ClassicSimilarity], result of:
      0.016919931 = score(doc=559,freq=2.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.20732689 = fieldWeight in 559, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.09375 = fieldNorm(doc=559)
    0.042424813 = product of:
      0.084849626 = sum of:
        0.084849626 = weight(_text_:22 in 559) [ClassicSimilarity], result of:
          0.084849626 = score(doc=559,freq=2.0), product of:
            0.18275474 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.05218836 = queryNorm
            0.46428138 = fieldWeight in 559, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.09375 = fieldNorm(doc=559)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Content
    Vortrag anläasslich des Workshops: "Extending the multilingual capacity of The European Library in the EDL project Stockholm, Swedish National Library, 22-23 November 2007".
  3. Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social and human science, culture and communication and information (1995) 0.04 
    0.03937999 = product of:
  0.059069984 = sum of:
    0.02442182 = weight(_text_:of in 7325) [ClassicSimilarity], result of:
      0.02442182 = score(doc=7325,freq=6.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.2992506 = fieldWeight in 7325, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.078125 = fieldNorm(doc=7325)
    0.03464816 = product of:
      0.06929632 = sum of:
        0.06929632 = weight(_text_:science in 7325) [ClassicSimilarity], result of:
          0.06929632 = score(doc=7325,freq=6.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.5040819 = fieldWeight in 7325, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.078125 = fieldNorm(doc=7325)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Footnote
    Rez. in: Indexer 20(1996) no.2, S.108 (A. McCarthy); Journal of librarianship and information science 29(1997) no.3, S.165-166 (A. Gilchrist)
  4. Aitchison, J.: Bliss and the thesaurus : the bibliographic classification of H.E. Bliss as a source of thesaurus terms and structure (1986) 0.03 
    0.03213601 = product of:
  0.048204012 = sum of:
    0.028199887 = weight(_text_:of in 1570) [ClassicSimilarity], result of:
      0.028199887 = score(doc=1570,freq=8.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.34554482 = fieldWeight in 1570, product of:
          2.828427 = tf(freq=8.0), with freq of:
            8.0 = termFreq=8.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.078125 = fieldNorm(doc=1570)
    0.020004123 = product of:
      0.040008247 = sum of:
        0.040008247 = weight(_text_:science in 1570) [ClassicSimilarity], result of:
          0.040008247 = score(doc=1570,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.2910318 = fieldWeight in 1570, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.078125 = fieldNorm(doc=1570)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Footnote
    Ähnlich auch in: Journal of documentation 42(1986) S.160-181
    Source
    Ranganathan's philosophy: assessment, impact and relevance. Proc. of the Int. Conf. organised by the Indian Library Association an co-sponsored by Sarada Ranganathan' Endowment for Library Science. Ed.: T.S. Rajagopalan
  5. Wilson, T.D.: ¬The work of the British Classification Research Group (1972) 0.03 
    0.031955566 = product of:
  0.047933348 = sum of:
    0.023928396 = weight(_text_:of in 2766) [ClassicSimilarity], result of:
      0.023928396 = score(doc=2766,freq=4.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.2932045 = fieldWeight in 2766, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.09375 = fieldNorm(doc=2766)
    0.02400495 = product of:
      0.0480099 = sum of:
        0.0480099 = weight(_text_:science in 2766) [ClassicSimilarity], result of:
          0.0480099 = score(doc=2766,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.34923816 = fieldWeight in 2766, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.09375 = fieldNorm(doc=2766)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Series
    Contributions in librarianship and information science; 3
    Source
    Subject retrieval in the seventies: new directions. Proc. of an int. symp. ... College Park, 14.-15.5.1971. Ed.: H.H. Wellisch u.a
  6. Aitchison, J.: ¬A classification as a source for a thesaurus : the bibliographic classification of H.E. Bliss as a source of thesaurus terms and structure (1986) 0.03 
    0.028336879 = product of:
  0.042505316 = sum of:
    0.03050284 = weight(_text_:of in 1569) [ClassicSimilarity], result of:
      0.03050284 = score(doc=1569,freq=26.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.37376386 = fieldWeight in 1569, product of:
          5.0990195 = tf(freq=26.0), with freq of:
            26.0 = termFreq=26.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.046875 = fieldNorm(doc=1569)
    0.012002475 = product of:
      0.02400495 = sum of:
        0.02400495 = weight(_text_:science in 1569) [ClassicSimilarity], result of:
          0.02400495 = score(doc=1569,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.17461908 = fieldWeight in 1569, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.046875 = fieldNorm(doc=1569)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Abstract
    The second edition of the Bibliographic Classidication of H.E. Bliss (BC2), being prepared under the editorship of Jack Mills, Vanda Broughton and others, is a rich source of structure and terminology for thesauri covering different subject fields. The new edition employs facet analysis and is thesaurus-compatible. A number of facet-based thesauri have drawn upon Bliss for terms and relationships. In two of these thesauri the Bliss Classification was the source of both systematic and alphabetical displays. The DHSS-DATA thesaurus, published by the United Kingdom Department of Health and Social Security, provides controlled terms and Bliss class numbers for indexing and searching the DHSS-DATA database. The ECOT thesaurus (Educational courses and occupations thesaurus) prepared for the Department of Education and Science, uses the software sedigned for the British Standards Institution ROOT thesaurus to genearte an alphabetical display from the systematic display derived from the Bliss schedules. Problems, benefits, and future prospects of Bliss-based thesaurus construction are discussed
    Source
    Journal of documentation. 42(1986), S.160-181
  7. Negrini, G.: CLASTHES: a thesaurofacet generator (1994) 0.03 
    0.02748403 = product of:
  0.041226044 = sum of:
    0.025222747 = weight(_text_:of in 8347) [ClassicSimilarity], result of:
      0.025222747 = score(doc=8347,freq=10.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.3090647 = fieldWeight in 8347, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0625 = fieldNorm(doc=8347)
    0.0160033 = product of:
      0.0320066 = sum of:
        0.0320066 = weight(_text_:science in 8347) [ClassicSimilarity], result of:
          0.0320066 = score(doc=8347,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.23282544 = fieldWeight in 8347, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.0625 = fieldNorm(doc=8347)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Abstract
    Describes CLASTHES, a software package which structures a system of concepts defined both as the conceptual expression of the structural relationship of a whole and as the structural relationship between the individual elements within the system itself. The external structure, which is the general structure of the system, is created by means of thesaurus facets, here defined as 'areas', while the internal structure is represented by the relationships linking the single elements attributed to the various areas
    Source
    Library science with a slant to documentation. 31(1994) no.1, S.1-12
  8. Hatapuc, A.: De la vocabular controlat la tezaur : schita de proiect pentru domeniul siintelor politice (2003) 0.03 
    0.026629638 = product of:
  0.039944455 = sum of:
    0.019940332 = weight(_text_:of in 2083) [ClassicSimilarity], result of:
      0.019940332 = score(doc=2083,freq=4.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.24433708 = fieldWeight in 2083, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.078125 = fieldNorm(doc=2083)
    0.020004123 = product of:
      0.040008247 = sum of:
        0.040008247 = weight(_text_:science in 2083) [ClassicSimilarity], result of:
          0.040008247 = score(doc=2083,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.2910318 = fieldWeight in 2083, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.078125 = fieldNorm(doc=2083)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Abstract
    Building a thesaurus on the basis of the UDC
    Footnote
    Übers. des Titels: On controlled vocabulaires: a project in the field of political science -
  9. Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977) 0.03 
    0.025722899 = product of:
  0.038584348 = sum of:
    0.015952265 = weight(_text_:of in 6424) [ClassicSimilarity], result of:
      0.015952265 = score(doc=6424,freq=4.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.19546966 = fieldWeight in 6424, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0625 = fieldNorm(doc=6424)
    0.022632083 = product of:
      0.045264166 = sum of:
        0.045264166 = weight(_text_:science in 6424) [ClassicSimilarity], result of:
          0.045264166 = score(doc=6424,freq=4.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.3292649 = fieldWeight in 6424, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.0625 = fieldNorm(doc=6424)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
  10. Tudhope, D.; Binding, C.; Blocks, D.; Cunliffe, D.: Compound descriptors in context : a matching function for classifications and thesauri (2002) 0.02 
    0.021530686 = product of:
  0.032296028 = sum of:
    0.022293966 = weight(_text_:of in 3179) [ClassicSimilarity], result of:
      0.022293966 = score(doc=3179,freq=20.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.27317715 = fieldWeight in 3179, product of:
          4.472136 = tf(freq=20.0), with freq of:
            20.0 = termFreq=20.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0390625 = fieldNorm(doc=3179)
    0.010002062 = product of:
      0.020004123 = sum of:
        0.020004123 = weight(_text_:science in 3179) [ClassicSimilarity], result of:
          0.020004123 = score(doc=3179,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.1455159 = fieldWeight in 3179, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3179)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Abstract
    There are many advantages for Digital Libraries in indexing with classifications or thesauri, but some current disincentive in the lack of flexible retrieval tools that deal with compound descriptors. This paper discusses a matching function for compound descriptors, or multi-concept subject headings, that does not rely an exact matching but incorporates term expansion via thesaurus semantic relationships to produce ranked results that take account of missing and partially matching terms. The matching function is based an a measure of semantic closeness between terms, which has the potential to help with recall problems. The work reported is part of the ongoing FACET project in collaboration with the National Museum of Science and Industry and its collections database. The architecture of the prototype system and its Interface are outlined. The matching problem for compound descriptors is reviewed and the FACET implementation described. Results are discussed from scenarios using the faceted Getty Art and Architecture Thesaurus. We argue that automatic traversal of thesaurus relationships can augment the user's browsing possibilities. The techniques can be applied both to unstructured multi-concept subject headings and potentially to more syntactically structured strings. The notion of a focus term is used by the matching function to model AAT modified descriptors (noun phrases). The relevance of the approach to precoordinated indexing and matching faceted strings is discussed.
    Source
    Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries : JCDL 2002 ; July 14 - 18, 2002, Portland, Oregon, USA. Ed. by Gary Marchionini
  11. Tudhope, D.; Binding, C.; Blocks, D.; Cunliffe, D.: FACET: thesaurus retrieval with semantic term expansion (2002) 0.02 
    0.019403009 = product of:
  0.029104512 = sum of:
    0.021102862 = weight(_text_:of in 175) [ClassicSimilarity], result of:
      0.021102862 = score(doc=175,freq=28.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.25858206 = fieldWeight in 175, product of:
          5.2915025 = tf(freq=28.0), with freq of:
            28.0 = termFreq=28.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.03125 = fieldNorm(doc=175)
    0.00800165 = product of:
      0.0160033 = sum of:
        0.0160033 = weight(_text_:science in 175) [ClassicSimilarity], result of:
          0.0160033 = score(doc=175,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.11641272 = fieldWeight in 175, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.03125 = fieldNorm(doc=175)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Abstract
    There are many advantages for Digital Libraries in indexing with classifications or thesauri, but some current disincentive in the lack of flexible retrieval tools that deal with compound descriptors. This demonstration of a research prototype illustrates a matching function for compound descriptors, or multi-concept subject headings, that does not rely on exact matching but incorporates term expansion via thesaurus semantic relationships to produce ranked results that take account of missing and partially matching terms. The matching function is based on a measure of semantic closeness between terms.The work is part of the EPSRC funded FACET project in collaboration with the UK National Museum of Science and Industry (NMSI) which includes the National Railway Museum. An export of NMSI's Collections Database is used as the dataset for the research. The J. Paul Getty Trust's Art and Architecture Thesaurus (AAT) is the main thesaurus in the project. The AAT is a widely used thesaurus (over 120,000 terms). Descriptors are organised in 7 facets representing separate conceptual classes of terms.The FACET application is a multi tiered architecture accessing a SQL Server database, with an OLE DB connection. The thesauri are stored as relational tables in the Server's database. However, a key component of the system is a parallel representation of the underlying semantic network as an in-memory structure of thesaurus concepts (corresponding to preferred terms). The structure models the hierarchical and associative interrelationships of thesaurus concepts via weighted poly-hierarchical links. Its primary purpose is real-time semantic expansion of query terms, achieved by a spreading activation semantic closeness algorithm. Queries with associated results are stored persistently using XML format data. A Visual Basic interface combines a thesaurus browser and an initial term search facility that takes into account equivalence relationships. Terms are dragged to a direct manipulation Query Builder which maintains the facet structure.
    Source
    Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries : JCDL 2002 ; July 14 - 18, 2002, Portland, Oregon, USA. Ed. by Gary Marchionini
  12. Tudhope, D.; Binding, C.; Blocks, D.; Cuncliffe, D.: Representation and retrieval in faceted systems (2003) 0.02 
    0.019103024 = product of:
  0.028654534 = sum of:
    0.018652473 = weight(_text_:of in 2703) [ClassicSimilarity], result of:
      0.018652473 = score(doc=2703,freq=14.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.22855641 = fieldWeight in 2703, product of:
          3.7416575 = tf(freq=14.0), with freq of:
            14.0 = termFreq=14.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0390625 = fieldNorm(doc=2703)
    0.010002062 = product of:
      0.020004123 = sum of:
        0.020004123 = weight(_text_:science in 2703) [ClassicSimilarity], result of:
          0.020004123 = score(doc=2703,freq=2.0), product of:
            0.13747036 = queryWeight, product of:
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.05218836 = queryNorm
            0.1455159 = fieldWeight in 2703, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.6341193 = idf(docFreq=8627, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2703)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)
    Abstract
    This paper discusses two inter-related themes: the retrieval potential of faceted thesauri and XML representations of fundamental facets. Initial findings are discussed from the ongoing 'FACET' project, in collaboration with the National Museum of Science and Industry. The work discussed seeks to take advantage of the structure afforded by faceted systems for multi-term queries and flexible matching, focusing in this paper an the Art and Architecture Thesaurus. A multi-term matching function yields ranked results with partial matches via semantic term expansion, based an a measure of distance over the semantic index space formed by thesaurus relationships. Our intention is to drive the system from general representations and a common query structure and interface. To this end, we are developing an XML representation based an work by the Classification Research Group an fundamental facets or categories. The XML representation maps categories to particular thesauri and hierarchies. The system interface, which is configured by the mapping, incorporates a thesaurus browser with navigation history together with a term search facility and drag and drop query builder.
    Source
    Challenges in knowledge representation and organization for the 21st century: Integration of knowledge across boundaries. Proceedings of the 7th ISKO International Conference Granada, Spain, July 10-13, 2002. Ed.: M. López-Huertas
  13. Root thesaurus. Pt.1.2 (1985) 0.01 
    0.014141604 = product of:
  0.042424813 = sum of:
    0.042424813 = product of:
      0.084849626 = sum of:
        0.084849626 = weight(_text_:22 in 467) [ClassicSimilarity], result of:
          0.084849626 = score(doc=467,freq=2.0), product of:
            0.18275474 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.05218836 = queryNorm
            0.46428138 = fieldWeight in 467, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.09375 = fieldNorm(doc=467)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Date
    18. 5.2007 14:22:43
  14. Raghavan, K.S.: ¬The general theory of classification as the basis for structuring of subject headings (1985(?)) 0.01 
    0.011890116 = product of:
  0.035670348 = sum of:
    0.035670348 = weight(_text_:of in 1830) [ClassicSimilarity], result of:
      0.035670348 = score(doc=1830,freq=20.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.43708345 = fieldWeight in 1830, product of:
          4.472136 = tf(freq=20.0), with freq of:
            20.0 = termFreq=20.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0625 = fieldNorm(doc=1830)
  0.33333334 = coord(1/3)
    Abstract
    Defines the basic functions of surrogate files in information retrieval. Exemplifies the categories enunciated in the general theory of classification developed in India. Defines the principles for structuring the concepts. Formulates set of general postulates pertaining to the structure of compound subjects. On the basis of these, outlines a procedure for structuring of subject headings. Demonstrates the application of procedure through examples
    Source
    Classification and communication. Papers, presented at the 2nd Regional Conf. of FID/CR, 15.11.1985, New Dehli. Ed.: K. Kumar et al
  15. Ranganathan, S.R.: Subject headings and facet analysis (1964) 0.01 
    0.009947985 = product of:
  0.029843956 = sum of:
    0.029843956 = weight(_text_:of in 1834) [ClassicSimilarity], result of:
      0.029843956 = score(doc=1834,freq=14.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.36569026 = fieldWeight in 1834, product of:
          3.7416575 = tf(freq=14.0), with freq of:
            14.0 = termFreq=14.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0625 = fieldNorm(doc=1834)
  0.33333334 = coord(1/3)
    Abstract
    After establishing the terminology, shows how the choice of the name of the subject of a document and the rendering of the name in the heading of the specific subject entry can be got by facet analysis based on postulates and principles. After showing that subject headings constitute an artificial language, points out that using facet analysis for subject heading does not amount to using class number. Marks out the area for an objective statistical survey of sought heading for subject entry. Calls on Council for Library Resources Incorporated to provide for this project
    Source
    Journal of documentation. 20(1964), S.109-119
  16. Austin, D.: Citation order and linguistic structure (1976) 0.01 
    0.009768728 = product of:
  0.029306183 = sum of:
    0.029306183 = weight(_text_:of in 2804) [ClassicSimilarity], result of:
      0.029306183 = score(doc=2804,freq=6.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.3591007 = fieldWeight in 2804, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.09375 = fieldNorm(doc=2804)
  0.33333334 = coord(1/3)
    Imprint
    Sydney : Library Association of Australia
    Source
    The variety of librarianship. Essays in honor of J. W. Metcalfe. Ed. by W. Boyd Rayward
  17. Himanka, J.; Kautto, V.: Translation of the Finnish abridged edition of UDC into general Finnish subject headings (1992) 0.01 
    0.009305488 = product of:
  0.027916465 = sum of:
    0.027916465 = weight(_text_:of in 3943) [ClassicSimilarity], result of:
      0.027916465 = score(doc=3943,freq=16.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.34207192 = fieldWeight in 3943, product of:
          4.0 = tf(freq=16.0), with freq of:
            16.0 = termFreq=16.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0546875 = fieldNorm(doc=3943)
  0.33333334 = coord(1/3)
    Abstract
    Examines a method of converting assigned UDC numbers into subject headings. The method consists of 2 phases: a dictionary is created that maps UDC numbers to subject headings; and this dictionary is then mechanically applied to convert the bibliographic databases. Tests 15 different UDC classes and records translation success and problems encountered. Closely examines problems encountered in each part and describes 3 main types of UDC classes: the synthetic; the shallow enumerative; and the deep enumerative. Findings show that the time spent in the first phase is tolerable. Considers the initial question of translatability of the whole UDC in the light of the results
  18. Frâncu, V.: ¬A universal classification system going through changes (2001) 0.01 
    0.009101475 = product of:
  0.027304424 = sum of:
    0.027304424 = weight(_text_:of in 1593) [ClassicSimilarity], result of:
      0.027304424 = score(doc=1593,freq=30.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.33457235 = fieldWeight in 1593, product of:
          5.477226 = tf(freq=30.0), with freq of:
            30.0 = termFreq=30.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1593)
  0.33333334 = coord(1/3)
    Abstract
    In the early 1990s, indexing with classification codes from the Universal Decimal Classification (UDC) in an academic library, going from traditional to automated routines in any and all its activities, suddenly proved insufficient. Under the circumstances of online searching, the possibilities offered by the new OPAC looked much more attractive to indexers and searchers alike. Therefore, a quick shift to indexing with UDC and keywords instead of UDC numbers alone was made. Currency, precision and, more importantly, user-friendliness were strong advantages offered by keyword indexing and searching. But the larger the dictionary of keywords, the more problematic the consequences an information scattering, given the lack of control an terms. The present paper describes the advantages of the UDC in indexing by presenting some of the devices it is provided with: subdivision by analogy, common and special auxiliaries, use of synthesis, and use of connecting symbols. The solution of indexing with both UDC notation and words from a thesaurus based an UDC was prompted by some other characteristics of the schedules: a semi-faceted classification system, hierarchical organisation, richness in terminology and consistency and control of notation. The methodology used in building the thesaurus is conceived according to the international standards (ISO 2788 and 5964) to which some principles have been added, giving the specific approach of harmonising a classification structure with that of a thesaurus. Compatibility and translatability issues are also considered and some problems arising from them are treated in detail. Most of the problems discussed are illustrated with examples.
    Source
    Advances in classification research, vol.10: proceedings of the 10th ASIS SIG/CR Classification Research Workshop. Ed.: Albrechtsen, H. u. J.E. Mai
  19. Scott, D.S.: Subject classification and natural-language processing for retrieval in large databases (1989) 0.01 
    0.0084075825 = product of:
  0.025222747 = sum of:
    0.025222747 = weight(_text_:of in 967) [ClassicSimilarity], result of:
      0.025222747 = score(doc=967,freq=10.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.3090647 = fieldWeight in 967, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.0625 = fieldNorm(doc=967)
  0.33333334 = coord(1/3)
    Abstract
    New forms of man-machine interaction are becoming available that have great power for the delivery of information. But the scales of speed and capacity on which the computing machines operate demand new thoughts as to how information can be stored and retrieved. The objective of the discussion in this paper is to argue for a combination of natural-language processing and subject classification to be able to meet the demands
  20. Balikova, M.: Multilingual Subject Access to Catalogues of National Libraries (MSAC) : Czech Republic's collaboration with Slovakia, Slovenia, Croatia, Macedonia, Lithuania and Latvia (2005) 0.01 
    0.0084075825 = product of:
  0.025222747 = sum of:
    0.025222747 = weight(_text_:of in 4349) [ClassicSimilarity], result of:
      0.025222747 = score(doc=4349,freq=40.0), product of:
        0.08160993 = queryWeight, product of:
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.05218836 = queryNorm
        0.3090647 = fieldWeight in 4349, product of:
          6.3245554 = tf(freq=40.0), with freq of:
            40.0 = termFreq=40.0
          1.5637573 = idf(docFreq=25162, maxDocs=44218)
          0.03125 = fieldNorm(doc=4349)
  0.33333334 = coord(1/3)
    Abstract
    Czech authority file of topical terms is intended to form a base for multilingual controlled vocabulary. The aim of the proposal is to provide users of online library catalogues and internet services of cooperating institutions with an indexing and retrieval tool which enables multilingual and cross-domain searching ("one-stop" seamless searching). The goal of the project is to establish a multilingual subject approach to catalogues of participating libraries (Czechia, Croatia, Latvia, Lithuania, Macedonia, Slovakia, and Slovenia). In practice this means that a user in any of these countries would enter a query in his local language and receive hits from all the catalogues. The initiative is complying with the main goals currently defined by IFLA for the activity of Indexing and Classification Section, it means: Changing Roles of Subject Access Tools (Berlin), Implementation and Adaptation of Global Tools for Subject Access to Local Needs (Buenos Aires), and Cataloguing and Subject Tools for Global Access: International Partnerships (Oslo).
    Content
    The aim of this initiative is to provide the users of online library catalogues and information gateways of cooperating libraries with a prototype for multilingual subject searching in online environment. Library collections of these libraries are large and without any doubt very valuable for researchers throughout Europe. What is needed is a standardized, authorized indexing and retrieval tool which would bring together all their catalogues and databases and enable multilingual subject searching. At the beginning of the project, a number of factors affecting subject indexing in current environment and cross-searching for subjects have been identified. These factors include - standardization of subject retrieval process and indexing and classification tools - subject retrieval methods - possibility of interoperability among different indexing and classification schemes - multilingualism issue - possibility to increase precision and recall trough Z39.50 protocol and its profiles and to apply authority control in subject retrieval process - need for cooperation
    Footnote
    Vortrag, World Library and Information Congress: 71th IFLA General Conference and Council "Libraries - A voyage of discovery", August 14th - 18th 2005, Oslo, Norway.

Authors

Years

Languages

Types

  • a 26
  • m 5
  • el 2
  • x 1
  • More… Less…

Themes

Subjects

Classifications