Search (7 results, page 1 of 1)

  • × author_ss:"Borgman, C.L."
  • × theme_ss:"OPAC"
  • × year_i:[1990 TO 2000}
  1. Borgman, C.L.: Children's use of an interactive science library : exploratory research (1990) 0.00
    0.003147505 = product of:
      0.009442515 = sum of:
        0.009442515 = weight(_text_:s in 2432) [ClassicSimilarity], result of:
          0.009442515 = score(doc=2432,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.19219826 = fieldWeight in 2432, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.125 = fieldNorm(doc=2432)
      0.33333334 = coord(1/3)
    
    Source
    School library media quarterly. 18(1990) no.2, S.108-111
  2. Beaulieu, M.; Borgman, C.L.: ¬A new era for OPAC research : introduction to special topic issue on current research in Online Public Access Systems (1996) 0.00
    0.002360629 = product of:
      0.0070818863 = sum of:
        0.0070818863 = weight(_text_:s in 4379) [ClassicSimilarity], result of:
          0.0070818863 = score(doc=4379,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.14414869 = fieldWeight in 4379, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=4379)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.7, S.491-492
  3. Hirsh, S.G.; Borgman, C.L.: Comparing children's use of browsing and keyword searching on the Science Library catalog (1995) 0.00
    0.0011803145 = product of:
      0.0035409431 = sum of:
        0.0035409431 = weight(_text_:s in 3825) [ClassicSimilarity], result of:
          0.0035409431 = score(doc=3825,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.072074346 = fieldWeight in 3825, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.046875 = fieldNorm(doc=3825)
      0.33333334 = coord(1/3)
    
    Pages
    S.19-26
  4. Borgman, C.L.; Hirsh, S.G.; Walter, V.A.; Gallagher, A.L.: Childrens searching behavior on browsing and keyword online catalogs : the Science Library Catalog project (1995) 0.00
    9.835954E-4 = product of:
      0.0029507861 = sum of:
        0.0029507861 = weight(_text_:s in 2591) [ClassicSimilarity], result of:
          0.0029507861 = score(doc=2591,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.060061958 = fieldWeight in 2591, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2591)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 46(1995) no.9, S.663-684
  5. Borgman, C.L.; Hirsh, S.G.; Hiller, J.: Rethinking online monitoring methods for information retrieval systems : from search product to search process (1996) 0.00
    9.835954E-4 = product of:
      0.0029507861 = sum of:
        0.0029507861 = weight(_text_:s in 4385) [ClassicSimilarity], result of:
          0.0029507861 = score(doc=4385,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.060061958 = fieldWeight in 4385, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4385)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.7, S.568-583
  6. Borgman, C.L.; Walter, V.A.; Rosenberg, J.: ¬The Science Library Catalog project : comparison of children's searching behaviour in hypertext and a keyword search system (1991) 0.00
    9.835954E-4 = product of:
      0.0029507861 = sum of:
        0.0029507861 = weight(_text_:s in 2779) [ClassicSimilarity], result of:
          0.0029507861 = score(doc=2779,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.060061958 = fieldWeight in 2779, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2779)
      0.33333334 = coord(1/3)
    
    Pages
    S.162-169
  7. Borgman, C.L.: Why are online catalogs still hard to use? (1996) 0.00
    7.8687625E-4 = product of:
      0.0023606287 = sum of:
        0.0023606287 = weight(_text_:s in 4380) [ClassicSimilarity], result of:
          0.0023606287 = score(doc=4380,freq=2.0), product of:
            0.049129035 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.045187026 = queryNorm
            0.048049565 = fieldWeight in 4380, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03125 = fieldNorm(doc=4380)
      0.33333334 = coord(1/3)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.7, S.493-503