Search (3 results, page 1 of 1)

0.019376764 = product of:
  0.05813029 = sum of:
    0.05813029 = product of:
      0.11626058 = sum of:
        0.11626058 = weight(_text_:networks in 5678) [ClassicSimilarity], result of:
          0.11626058 = score(doc=5678,freq=8.0), product of:
            0.22247115 = queryWeight, product of:
              4.72992 = idf(docFreq=1060, maxDocs=44218)
              0.047034867 = queryNorm
            0.52258724 = fieldWeight in 5678, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              4.72992 = idf(docFreq=1060, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5678)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

Explicit authority control of works is essentially non-existent. Our catalogs are built on a principle of controlling headings, and primarily headings for names of authors. Our syndetic structure creates a spider's web of networked relationships among forms of headings, but it ends there, despite the potential richness of depth among bibliographic entities. Effective authority control of works could yield richness in the catalog that would enhance retrieval capabilities. Works are considered to constitute the intellectual content of informative artifacts that may be collected and ordered for retrieval. In a 1992 study the author examined a random sample of works drawn from the catalog of the Georgetown University Library. For each progenitor work, an instantiation network (also referred to as a bibliographic family) was constituted. A detailed analysis of the linkages that would be required for authority control of these networks is reviewed here. A new study is also presented, in which Library of Congress authority records for the works in this sample are sought and analyzed. Results demonstrate a near total lack of control, with only 5.6% of works for which authority records were found. From a sample of 410 works, of which nearly half have instantiation networks, only 23 works could be said to have implicit authority control. However, many instantiation networks are made up of successive derivations that can be implicitly linked through collocation. The difficult work of explicitly linking instantiations comes with title changes, translations, and containing relations. The empirical evidence in the present study suggests that explicit control of expressions will provide the best control over instantiation networks because it is instantiations such as translations, abridgments, and adaptations that require explicit linking.

0.013701442 = product of:
  0.041104324 = sum of:
    0.041104324 = product of:
      0.08220865 = sum of:
        0.08220865 = weight(_text_:networks in 260) [ClassicSimilarity], result of:
          0.08220865 = score(doc=260,freq=4.0), product of:
            0.22247115 = queryWeight, product of:
              4.72992 = idf(docFreq=1060, maxDocs=44218)
              0.047034867 = queryNorm
            0.369525 = fieldWeight in 260, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.72992 = idf(docFreq=1060, maxDocs=44218)
              0.0390625 = fieldNorm(doc=260)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Abstract

Studying works allows us to see empirically the problem of instantiation of works, both at large and in the catalog. The linkage of relationships among works is a critical goal for information retrieval because the ability to comprehend and select a specific instantiation of a work is crucial for the advancement of scholarship. Hence, the present study examines the instantiation of works among a set of entities known to be popular-best selling books of the 20th century. A sample of best selling works (fiction and non-fiction) from 1900-1999 was constructed. For each work in the sample, all bibliographic records were identified in both OCLC and RLIN as well as instantiations on the World Wide Web. All but one work in the sample exists in multiple instantiations; many have large networks; and complex networks of instantiations have begun to appear in full text on the Web. The results of this study demonstrate the importance of continuing to gather statistical data about works. Solutions devised for the catalog will need to be modified for use in the chaotic environment of the World Wide Web and its successors.

0.0026552398 = product of:
  0.007965719 = sum of:
    0.007965719 = product of:
      0.015931439 = sum of:
        0.015931439 = weight(_text_:22 in 1919) [ClassicSimilarity], result of:
          0.015931439 = score(doc=1919,freq=2.0), product of:
            0.1647081 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047034867 = queryNorm
            0.09672529 = fieldWeight in 1919, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.01953125 = fieldNorm(doc=1919)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Date

12. 6.2008 20:18:22