Search (57 results, page 1 of 3)

  • × language_ss:"e"
  • × theme_ss:"OPAC"
  1. Larson, R.R.: Between Scylla and Charybdis : searching in the online catalog (1991) 0.10
    0.100799635 = product of:
      0.20159927 = sum of:
        0.20159927 = product of:
          0.40319854 = sum of:
            0.40319854 = weight(_text_:r.r in 462) [ClassicSimilarity], result of:
              0.40319854 = score(doc=462,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                1.2762483 = fieldWeight in 462, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.125 = fieldNorm(doc=462)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Larson, R.R.: Transaction logs : gathering information about MELVYL (1984) 0.10
    0.100799635 = product of:
      0.20159927 = sum of:
        0.20159927 = product of:
          0.40319854 = sum of:
            0.40319854 = weight(_text_:r.r in 6042) [ClassicSimilarity], result of:
              0.40319854 = score(doc=6042,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                1.2762483 = fieldWeight in 6042, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.125 = fieldNorm(doc=6042)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Larson, R.R.; Graham, V.: Monitoring and evaluating MELVYL (1983) 0.10
    0.100799635 = product of:
      0.20159927 = sum of:
        0.20159927 = product of:
          0.40319854 = sum of:
            0.40319854 = weight(_text_:r.r in 6043) [ClassicSimilarity], result of:
              0.40319854 = score(doc=6043,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                1.2762483 = fieldWeight in 6043, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.125 = fieldNorm(doc=6043)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Larson, R.R.: Users look at online catalogs : Pt.2: interacting with online catalogs. Final report for the Council on Library Resources (1983) 0.09
    0.08819968 = product of:
      0.17639937 = sum of:
        0.17639937 = product of:
          0.35279873 = sum of:
            0.35279873 = weight(_text_:r.r in 2424) [ClassicSimilarity], result of:
              0.35279873 = score(doc=2424,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                1.1167173 = fieldWeight in 2424, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2424)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  5. Larson, R.R.: Evaluating public access on-line catalogs : phase 1: development and testing of data collection and analysis tools. Final report to the Council on Library Resources (1981) 0.09
    0.08819968 = product of:
      0.17639937 = sum of:
        0.17639937 = product of:
          0.35279873 = sum of:
            0.35279873 = weight(_text_:r.r in 7680) [ClassicSimilarity], result of:
              0.35279873 = score(doc=7680,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                1.1167173 = fieldWeight in 7680, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.109375 = fieldNorm(doc=7680)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  6. Larson, R.R.: Users look at online catalogs : results of a national survey of users and non-users of online public access catalogs (1982) 0.08
    0.07559972 = product of:
      0.15119945 = sum of:
        0.15119945 = product of:
          0.3023989 = sum of:
            0.3023989 = weight(_text_:r.r in 2972) [ClassicSimilarity], result of:
              0.3023989 = score(doc=2972,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                0.9571862 = fieldWeight in 2972, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2972)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  7. Larson, R.R.: Cheshire 2 : design and evaluation of a next-generation online catalog system (1995) 0.05
    0.050399818 = product of:
      0.100799635 = sum of:
        0.100799635 = product of:
          0.20159927 = sum of:
            0.20159927 = weight(_text_:r.r in 3820) [ClassicSimilarity], result of:
              0.20159927 = score(doc=3820,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                0.63812417 = fieldWeight in 3820, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3820)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  8. Larson, R.R.; McDonough, J.; O'Leary, P.; Kuntz, L.: Cheshire II : designing a next-generation online catalog (1996) 0.05
    0.050399818 = product of:
      0.100799635 = sum of:
        0.100799635 = product of:
          0.20159927 = sum of:
            0.20159927 = weight(_text_:r.r in 4384) [ClassicSimilarity], result of:
              0.20159927 = score(doc=4384,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                0.63812417 = fieldWeight in 4384, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4384)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  9. Larson, R.R.: Classification clustering, probabilistic information retrieval, and the online catalog (1991) 0.04
    0.04409984 = product of:
      0.08819968 = sum of:
        0.08819968 = product of:
          0.17639937 = sum of:
            0.17639937 = weight(_text_:r.r in 1070) [ClassicSimilarity], result of:
              0.17639937 = score(doc=1070,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                0.55835867 = fieldWeight in 1070, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1070)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  10. Larson, R.R.: Evaluation of advanced retrieval techniques in an experimental online catalog (1992) 0.04
    0.03779986 = product of:
      0.07559972 = sum of:
        0.07559972 = product of:
          0.15119945 = sum of:
            0.15119945 = weight(_text_:r.r in 481) [ClassicSimilarity], result of:
              0.15119945 = score(doc=481,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                0.4785931 = fieldWeight in 481, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.046875 = fieldNorm(doc=481)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  11. Larson, R.R.: ¬The decline of subject searching : long-term trends and patterns of index use in an online catalog (1991) 0.04
    0.03779986 = product of:
      0.07559972 = sum of:
        0.07559972 = product of:
          0.15119945 = sum of:
            0.15119945 = weight(_text_:r.r in 1104) [ClassicSimilarity], result of:
              0.15119945 = score(doc=1104,freq=2.0), product of:
                0.31592482 = queryWeight, product of:
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.043759625 = queryNorm
                0.4785931 = fieldWeight in 1104, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  7.2195506 = idf(docFreq=87, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1104)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  12. Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988) 0.02
    0.023715302 = product of:
      0.047430605 = sum of:
        0.047430605 = product of:
          0.09486121 = sum of:
            0.09486121 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
              0.09486121 = score(doc=7403,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.61904186 = fieldWeight in 7403, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=7403)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Program. 22(1988), S.21-31
  13. Hug, H.; Nöthiger, R.: ETHICS: an online public access catalogue at ETH-Bibliothek, Zürich (1988) 0.02
    0.023715302 = product of:
      0.047430605 = sum of:
        0.047430605 = product of:
          0.09486121 = sum of:
            0.09486121 = weight(_text_:22 in 7483) [ClassicSimilarity], result of:
              0.09486121 = score(doc=7483,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.61904186 = fieldWeight in 7483, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=7483)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Program. 22(1988), S.133-142
  14. Hogan, S.A.: Educating users about catalogues and cataloguing : the impossible dream (1993) 0.01
    0.014822064 = product of:
      0.029644128 = sum of:
        0.029644128 = product of:
          0.059288256 = sum of:
            0.059288256 = weight(_text_:22 in 6437) [ClassicSimilarity], result of:
              0.059288256 = score(doc=6437,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.38690117 = fieldWeight in 6437, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=6437)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    International cataloguing and bibliographic control. 22(1993) no.2, S.23-26
  15. Walker, S.: ¬The Okapi online catalogue research projects (1989) 0.01
    0.014822064 = product of:
      0.029644128 = sum of:
        0.029644128 = product of:
          0.059288256 = sum of:
            0.059288256 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
              0.059288256 = score(doc=1942,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.38690117 = fieldWeight in 1942, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1942)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    16. 8.1998 11:22:08
  16. Cherry, J.M.; Clinton, M.: ¬An experimental investigation of two types of instruction for OPAC users (1991) 0.01
    0.011857651 = product of:
      0.023715302 = sum of:
        0.023715302 = product of:
          0.047430605 = sum of:
            0.047430605 = weight(_text_:22 in 3098) [ClassicSimilarity], result of:
              0.047430605 = score(doc=3098,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.30952093 = fieldWeight in 3098, 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=3098)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Canadian journal of information science. 16(1991) no.4, S.2-22
  17. McLachlan, R.W.: Public libraries : shrinking dollars, increased demands; clerical staff and OCLC to the rescue (1991) 0.01
    0.011857651 = product of:
      0.023715302 = sum of:
        0.023715302 = product of:
          0.047430605 = sum of:
            0.047430605 = weight(_text_:22 in 3860) [ClassicSimilarity], result of:
              0.047430605 = score(doc=3860,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.30952093 = fieldWeight in 3860, 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=3860)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    OCLC micro. 7(1991) no.6, S.19-22
  18. Seruga, J.: Object-oriented modeling of a library information system (1997) 0.01
    0.011857651 = product of:
      0.023715302 = sum of:
        0.023715302 = product of:
          0.047430605 = sum of:
            0.047430605 = weight(_text_:22 in 8477) [ClassicSimilarity], result of:
              0.047430605 = score(doc=8477,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.30952093 = fieldWeight in 8477, 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=8477)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    LASIE. 28(1997) no.4, S.22-34
  19. Sandlian, P.: Rethinking the rules (1995) 0.01
    0.011857651 = product of:
      0.023715302 = sum of:
        0.023715302 = product of:
          0.047430605 = sum of:
            0.047430605 = weight(_text_:22 in 3099) [ClassicSimilarity], result of:
              0.047430605 = score(doc=3099,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.30952093 = fieldWeight in 3099, 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=3099)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    School library journal. 41(1995) no.7, S.22-25
  20. Porter, M.; Galpin, V.: Relevance feedback in a public access catalogue for a research library : Muscat at the Scott Polar Research Institute (1988) 0.01
    0.011857651 = product of:
      0.023715302 = sum of:
        0.023715302 = product of:
          0.047430605 = sum of:
            0.047430605 = weight(_text_:22 in 4165) [ClassicSimilarity], result of:
              0.047430605 = score(doc=4165,freq=2.0), product of:
                0.15323876 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043759625 = queryNorm
                0.30952093 = fieldWeight in 4165, 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=4165)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Program. 22(1988), S.1-20

Years

Types

  • a 52
  • r 2
  • ? 1
  • b 1
  • el 1
  • m 1
  • s 1
  • More… Less…