Search (53 results, page 3 of 3)

  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  • × type_ss:"a"
  1. Graham, R.Y.: Subject no-hits in an academic library online catalog : an exploration of two potential ameliorations (2004) 0.01 
    0.0057428335 = product of:
  0.022971334 = sum of:
    0.022971334 = weight(_text_:library in 178) [ClassicSimilarity], result of:
      0.022971334 = score(doc=178,freq=2.0), product of:
        0.1317883 = queryWeight, product of:
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.050121464 = queryNorm
        0.17430481 = fieldWeight in 178, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.046875 = fieldNorm(doc=178)
  0.25 = coord(1/4)
  2. Wang, Z.; Khoo, C.S.G.; Chaudhry, A.S.: Evaluation of the navigation effectiveness of an organizational taxonomy built on a general classification scheme and domain thesauri (2014) 0.01 
    0.0057428335 = product of:
  0.022971334 = sum of:
    0.022971334 = weight(_text_:library in 1251) [ClassicSimilarity], result of:
      0.022971334 = score(doc=1251,freq=2.0), product of:
        0.1317883 = queryWeight, product of:
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.050121464 = queryNorm
        0.17430481 = fieldWeight in 1251, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.046875 = fieldNorm(doc=1251)
  0.25 = coord(1/4)
    Abstract
    This paper presents an evaluation study of the navigation effectiveness of a multifaceted organizational taxonomy that was built on the Dewey Decimal Classification and several domain thesauri in the area of library and information science education. The objective of the evaluation was to detect deficiencies in the taxonomy and to infer problems of applied construction steps from users' navigation difficulties. The evaluation approach included scenario-based navigation exercises and postexercise interviews. Navigation exercise errors and underlying reasons were analyzed in relation to specific components of the taxonomy and applied construction steps. Guidelines for the construction of the hierarchical structure and categories of an organizational taxonomy using existing general classification schemes and domain thesauri were derived from the evaluation results.
  3. Järvelin, K.; Kristensen, J.; Niemi, T.; Sormunen, E.; Keskustalo, H.: ¬A deductive data model for query expansion (1996) 0.01 
    0.005093075 = product of:
  0.0203723 = sum of:
    0.0203723 = product of:
      0.0407446 = sum of:
        0.0407446 = weight(_text_:22 in 2230) [ClassicSimilarity], result of:
          0.0407446 = score(doc=2230,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.23214069 = fieldWeight in 2230, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2230)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Source
    Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '96), Zürich, Switzerland, August 18-22, 1996. Eds.: H.P. Frei et al
  4. Tseng, Y.-H.: Solving vocabulary problems with interactive query expansion (1998) 0.00 
    0.004785695 = product of:
  0.01914278 = sum of:
    0.01914278 = weight(_text_:library in 5159) [ClassicSimilarity], result of:
      0.01914278 = score(doc=5159,freq=2.0), product of:
        0.1317883 = queryWeight, product of:
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.050121464 = queryNorm
        0.14525402 = fieldWeight in 5159, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.0390625 = fieldNorm(doc=5159)
  0.25 = coord(1/4)
    Source
    Journal of library and information science. 24(1998) no.1, S.1-18
  5. Hancock-Beaulieu, M.: Evaluating the impact of an online library catalogue on subject searching behaviour at the catalogue and at the shelves (1990) 0.00 
    0.004785695 = product of:
  0.01914278 = sum of:
    0.01914278 = weight(_text_:library in 5691) [ClassicSimilarity], result of:
      0.01914278 = score(doc=5691,freq=2.0), product of:
        0.1317883 = queryWeight, product of:
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.050121464 = queryNorm
        0.14525402 = fieldWeight in 5691, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.0390625 = fieldNorm(doc=5691)
  0.25 = coord(1/4)
  6. Shiri, A.: Topic familiarity and its effects on term selection and browsing in a thesaurus-enhanced search environment (2005) 0.00 
    0.004785695 = product of:
  0.01914278 = sum of:
    0.01914278 = weight(_text_:library in 613) [ClassicSimilarity], result of:
      0.01914278 = score(doc=613,freq=2.0), product of:
        0.1317883 = queryWeight, product of:
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.050121464 = queryNorm
        0.14525402 = fieldWeight in 613, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.6293786 = idf(docFreq=8668, maxDocs=44218)
          0.0390625 = fieldNorm(doc=613)
  0.25 = coord(1/4)
    Source
    Library review. 54(2005) no.9, S.514-518
  7. Efthimiadis, E.N.: User choices : a new yardstick for the evaluation of ranking algorithms for interactive query expansion (1995) 0.00 
    0.0042442293 = product of:
  0.016976917 = sum of:
    0.016976917 = product of:
      0.033953834 = sum of:
        0.033953834 = weight(_text_:22 in 5697) [ClassicSimilarity], result of:
          0.033953834 = score(doc=5697,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.19345059 = fieldWeight in 5697, 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=5697)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    22. 2.1996 13:14:10
  8. Song, D.; Bruza, P.D.: Towards context sensitive information inference (2003) 0.00 
    0.0042442293 = product of:
  0.016976917 = sum of:
    0.016976917 = product of:
      0.033953834 = sum of:
        0.033953834 = weight(_text_:22 in 1428) [ClassicSimilarity], result of:
          0.033953834 = score(doc=1428,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.19345059 = fieldWeight in 1428, 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=1428)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    22. 3.2003 19:35:46
  9. Shiri, A.A.; Revie, C.: Query expansion behavior within a thesaurus-enhanced search environment : a user-centered evaluation (2006) 0.00 
    0.0042442293 = product of:
  0.016976917 = sum of:
    0.016976917 = product of:
      0.033953834 = sum of:
        0.033953834 = weight(_text_:22 in 56) [ClassicSimilarity], result of:
          0.033953834 = score(doc=56,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.19345059 = fieldWeight in 56, 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=56)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    22. 7.2006 16:32:43
  10. Brandão, W.C.; Santos, R.L.T.; Ziviani, N.; Moura, E.S. de; Silva, A.S. da: Learning to expand queries using entities (2014) 0.00 
    0.0042442293 = product of:
  0.016976917 = sum of:
    0.016976917 = product of:
      0.033953834 = sum of:
        0.033953834 = weight(_text_:22 in 1343) [ClassicSimilarity], result of:
          0.033953834 = score(doc=1343,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.19345059 = fieldWeight in 1343, 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=1343)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    22. 8.2014 17:07:50
  11. Bradford, R.B.: Relationship discovery in large text collections using Latent Semantic Indexing (2006) 0.00 
    0.0033953832 = product of:
  0.013581533 = sum of:
    0.013581533 = product of:
      0.027163066 = sum of:
        0.027163066 = weight(_text_:22 in 1163) [ClassicSimilarity], result of:
          0.027163066 = score(doc=1163,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.15476047 = fieldWeight in 1163, 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=1163)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Source
    Proceedings of the Fourth Workshop on Link Analysis, Counterterrorism, and Security, SIAM Data Mining Conference, Bethesda, MD, 20-22 April, 2006. [http://www.siam.org/meetings/sdm06/workproceed/Link%20Analysis/15.pdf]
  12. Brunetti, J.M.; Roberto García, R.: User-centered design and evaluation of overview components for semantic data exploration (2014) 0.00 
    0.0033953832 = product of:
  0.013581533 = sum of:
    0.013581533 = product of:
      0.027163066 = sum of:
        0.027163066 = weight(_text_:22 in 1626) [ClassicSimilarity], result of:
          0.027163066 = score(doc=1626,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.15476047 = fieldWeight in 1626, 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=1626)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    20. 1.2015 18:30:22
  13. Thenmalar, S.; Geetha, T.V.: Enhanced ontology-based indexing and searching (2014) 0.00 
    0.0029709602 = product of:
  0.011883841 = sum of:
    0.011883841 = product of:
      0.023767682 = sum of:
        0.023767682 = weight(_text_:22 in 1633) [ClassicSimilarity], result of:
          0.023767682 = score(doc=1633,freq=2.0), product of:
            0.17551683 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.050121464 = queryNorm
            0.1354154 = fieldWeight in 1633, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.02734375 = fieldNorm(doc=1633)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    20. 1.2015 18:30:22

Authors

Years

Languages

  • e 48
  • d 4
  • chi 1
  • More… Less…

Themes