Document (#374)

Author
Walker, S.
Title
Okapi : Evaluating and enhancing an experimental online catalog
Source
Library trends. 35(1987), S.631-645
Year
1987
Theme
OPAC
Object
OKAPI

Similar documents (author)

  1. Walker, S.: Ease of use in online catalogues : a plea for the user (1986) 4.80
    4.796191 = sum of:
      4.796191 = weight(author_txt:walker in 375) [ClassicSimilarity], result of:
        4.796191 = fieldWeight in 375, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.6739063 = idf(docFreq=53, maxDocs=42740)
          0.625 = fieldNorm(doc=375)
    
  2. Walker, S.: ¬The free language approach to online catalogues (1985) 4.80
    4.796191 = sum of:
      4.796191 = weight(author_txt:walker in 383) [ClassicSimilarity], result of:
        4.796191 = fieldWeight in 383, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.6739063 = idf(docFreq=53, maxDocs=42740)
          0.625 = fieldNorm(doc=383)
    
  3. Walker, S.: ¬Der Mensch-Maschine-Dialog bei Online-Benutzer-Katalogen (1987) 4.80
    4.796191 = sum of:
      4.796191 = weight(author_txt:walker in 827) [ClassicSimilarity], result of:
        4.796191 = fieldWeight in 827, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.6739063 = idf(docFreq=53, maxDocs=42740)
          0.625 = fieldNorm(doc=827)
    
  4. Walker, R.: Categorization 4.80
    4.796191 = sum of:
      4.796191 = weight(author_txt:walker in 1019) [ClassicSimilarity], result of:
        4.796191 = fieldWeight in 1019, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.6739063 = idf(docFreq=53, maxDocs=42740)
          0.625 = fieldNorm(doc=1019)
    
  5. Walker, S.: Views on classification as a search tool on a computer (1991) 4.80
    4.796191 = sum of:
      4.796191 = weight(author_txt:walker in 4837) [ClassicSimilarity], result of:
        4.796191 = fieldWeight in 4837, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.6739063 = idf(docFreq=53, maxDocs=42740)
          0.625 = fieldNorm(doc=4837)
    

Similar documents (content)

  1. Larson, R.R.: Evaluation of advanced retrieval techniques in an experimental online catalog (1992) 0.54
    0.54022014 = sum of:
      0.54022014 = product of:
        0.8103302 = sum of:
          0.10675119 = weight(abstract_txt:online in 481) [ClassicSimilarity], result of:
            0.10675119 = score(doc=481,freq=7.0), product of:
              0.14050537 = queryWeight, product of:
                3.6757057 = idf(docFreq=2942, maxDocs=42740)
                0.038225416 = queryNorm
              0.75976586 = fieldWeight in 481, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                3.6757057 = idf(docFreq=2942, maxDocs=42740)
                0.078125 = fieldNorm(doc=481)
          0.12899128 = weight(abstract_txt:experimental in 481) [ClassicSimilarity], result of:
            0.12899128 = score(doc=481,freq=1.0), product of:
              0.30491868 = queryWeight, product of:
                1.4731451 = boost
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.038225416 = queryNorm
              0.423035 = fieldWeight in 481, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.078125 = fieldNorm(doc=481)
          0.3222068 = weight(abstract_txt:catalog in 481) [ClassicSimilarity], result of:
            0.3222068 = score(doc=481,freq=6.0), product of:
              0.3089227 = queryWeight, product of:
                1.4827859 = boost
                5.4502845 = idf(docFreq=498, maxDocs=42740)
                0.038225416 = queryNorm
              1.0430013 = fieldWeight in 481, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                5.4502845 = idf(docFreq=498, maxDocs=42740)
                0.078125 = fieldNorm(doc=481)
          0.25238097 = weight(abstract_txt:enhancing in 481) [ClassicSimilarity], result of:
            0.25238097 = score(doc=481,freq=1.0), product of:
              0.47699612 = queryWeight, product of:
                1.8425146 = boost
                6.7725415 = idf(docFreq=132, maxDocs=42740)
                0.038225416 = queryNorm
              0.5291048 = fieldWeight in 481, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.7725415 = idf(docFreq=132, maxDocs=42740)
                0.078125 = fieldNorm(doc=481)
        0.6666667 = coord(4/6)
    
  2. Fieldhouse, M.; Hancock-Beaulieu, M.: ¬The changing face of OKAPI (1994) 0.38
    0.37595397 = sum of:
      0.37595397 = product of:
        0.75190794 = sum of:
          0.040348157 = weight(abstract_txt:online in 1562) [ClassicSimilarity], result of:
            0.040348157 = score(doc=1562,freq=1.0), product of:
              0.14050537 = queryWeight, product of:
                3.6757057 = idf(docFreq=2942, maxDocs=42740)
                0.038225416 = queryNorm
              0.2871645 = fieldWeight in 1562, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6757057 = idf(docFreq=2942, maxDocs=42740)
                0.078125 = fieldNorm(doc=1562)
          0.12899128 = weight(abstract_txt:experimental in 1562) [ClassicSimilarity], result of:
            0.12899128 = score(doc=1562,freq=1.0), product of:
              0.30491868 = queryWeight, product of:
                1.4731451 = boost
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.038225416 = queryNorm
              0.423035 = fieldWeight in 1562, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.078125 = fieldNorm(doc=1562)
          0.5825685 = weight(abstract_txt:okapi in 1562) [ClassicSimilarity], result of:
            0.5825685 = score(doc=1562,freq=2.0), product of:
              0.6612492 = queryWeight, product of:
                2.1693823 = boost
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.038225416 = queryNorm
              0.8810121 = fieldWeight in 1562, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.078125 = fieldNorm(doc=1562)
        0.5 = coord(3/6)
    
  3. Robertson, S.E.: OKAPI at TREC (1994) 0.29
    0.28849572 = sum of:
      0.28849572 = product of:
        0.8654871 = sum of:
          0.20638603 = weight(abstract_txt:experimental in 7952) [ClassicSimilarity], result of:
            0.20638603 = score(doc=7952,freq=1.0), product of:
              0.30491868 = queryWeight, product of:
                1.4731451 = boost
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.038225416 = queryNorm
              0.676856 = fieldWeight in 7952, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.125 = fieldNorm(doc=7952)
          0.65910107 = weight(abstract_txt:okapi in 7952) [ClassicSimilarity], result of:
            0.65910107 = score(doc=7952,freq=1.0), product of:
              0.6612492 = queryWeight, product of:
                2.1693823 = boost
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.038225416 = queryNorm
              0.99675137 = fieldWeight in 7952, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.125 = fieldNorm(doc=7952)
        0.33333334 = coord(2/6)
    
  4. Robertson, S.E.: OKAPI at TREC-1 (1994) 0.29
    0.28849572 = sum of:
      0.28849572 = product of:
        0.8654871 = sum of:
          0.20638603 = weight(abstract_txt:experimental in 7953) [ClassicSimilarity], result of:
            0.20638603 = score(doc=7953,freq=1.0), product of:
              0.30491868 = queryWeight, product of:
                1.4731451 = boost
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.038225416 = queryNorm
              0.676856 = fieldWeight in 7953, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.125 = fieldNorm(doc=7953)
          0.65910107 = weight(abstract_txt:okapi in 7953) [ClassicSimilarity], result of:
            0.65910107 = score(doc=7953,freq=1.0), product of:
              0.6612492 = queryWeight, product of:
                2.1693823 = boost
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.038225416 = queryNorm
              0.99675137 = fieldWeight in 7953, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.125 = fieldNorm(doc=7953)
        0.33333334 = coord(2/6)
    
  5. Karamuftuoglu, M.: Designing language games in Okapi (1997) 0.29
    0.28849572 = sum of:
      0.28849572 = product of:
        0.8654871 = sum of:
          0.20638603 = weight(abstract_txt:experimental in 518) [ClassicSimilarity], result of:
            0.20638603 = score(doc=518,freq=1.0), product of:
              0.30491868 = queryWeight, product of:
                1.4731451 = boost
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.038225416 = queryNorm
              0.676856 = fieldWeight in 518, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.414848 = idf(docFreq=516, maxDocs=42740)
                0.125 = fieldNorm(doc=518)
          0.65910107 = weight(abstract_txt:okapi in 518) [ClassicSimilarity], result of:
            0.65910107 = score(doc=518,freq=1.0), product of:
              0.6612492 = queryWeight, product of:
                2.1693823 = boost
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.038225416 = queryNorm
              0.99675137 = fieldWeight in 518, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.974011 = idf(docFreq=39, maxDocs=42740)
                0.125 = fieldNorm(doc=518)
        0.33333334 = coord(2/6)