Search (13 results, page 1 of 1)

  • × theme_ss:"Indexierungsstudien"
  • × year_i:[1960 TO 1970}
  1. Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967) 0.06
    0.05576241 = product of:
      0.11152482 = sum of:
        0.0090247495 = weight(_text_:e in 1957) [ClassicSimilarity], result of:
          0.0090247495 = score(doc=1957,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.19057012 = fieldWeight in 1957, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=1957)
        0.046835296 = weight(_text_:u in 1957) [ClassicSimilarity], result of:
          0.046835296 = score(doc=1957,freq=2.0), product of:
            0.107882105 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03294669 = queryNorm
            0.43413407 = fieldWeight in 1957, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=1957)
        0.055664778 = weight(_text_:k in 1957) [ClassicSimilarity], result of:
          0.055664778 = score(doc=1957,freq=2.0), product of:
            0.11761237 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.03294669 = queryNorm
            0.47329018 = fieldWeight in 1957, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.09375 = fieldNorm(doc=1957)
      0.5 = coord(3/6)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.47-58.
    Language
    e
  2. Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960) 0.01
    0.008960012 = product of:
      0.026880037 = sum of:
        0.0090247495 = weight(_text_:e in 6158) [ClassicSimilarity], result of:
          0.0090247495 = score(doc=6158,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.19057012 = fieldWeight in 6158, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=6158)
        0.017855287 = product of:
          0.05356586 = sum of:
            0.05356586 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
              0.05356586 = score(doc=6158,freq=2.0), product of:
                0.1153737 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03294669 = queryNorm
                0.46428138 = fieldWeight in 6158, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6158)
          0.33333334 = coord(1/3)
      0.33333334 = coord(2/6)
    
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
    Language
    e
  3. Hurwitz, F.I.: ¬A study of indexer consistency (1969) 0.00
    0.002506875 = product of:
      0.01504125 = sum of:
        0.01504125 = weight(_text_:e in 2270) [ClassicSimilarity], result of:
          0.01504125 = score(doc=2270,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.31761688 = fieldWeight in 2270, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.15625 = fieldNorm(doc=2270)
      0.16666667 = coord(1/6)
    
    Language
    e
  4. Cooper, W.S.: Is interindexer consistency a hobgoblin? (1969) 0.00
    0.002506875 = product of:
      0.01504125 = sum of:
        0.01504125 = weight(_text_:e in 2273) [ClassicSimilarity], result of:
          0.01504125 = score(doc=2273,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.31761688 = fieldWeight in 2273, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.15625 = fieldNorm(doc=2273)
      0.16666667 = coord(1/6)
    
    Language
    e
  5. Hooper, R.S.: Indexer consistency tests : origins, measurements, results and utilization (1965) 0.00
    0.002506875 = product of:
      0.01504125 = sum of:
        0.01504125 = weight(_text_:e in 7495) [ClassicSimilarity], result of:
          0.01504125 = score(doc=7495,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.31761688 = fieldWeight in 7495, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.15625 = fieldNorm(doc=7495)
      0.16666667 = coord(1/6)
    
    Language
    e
  6. Lancaster, F.W.; Mills, J.: Testing indexes and index language devices : the ASLIB Cranfield project (1964) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 2261) [ClassicSimilarity], result of:
          0.012033 = score(doc=2261,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2261, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=2261)
      0.16666667 = coord(1/6)
    
    Language
    e
  7. Zunde, P.; Dexter, M.E.: Indexing consistency and quality (1969) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 2264) [ClassicSimilarity], result of:
          0.012033 = score(doc=2264,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2264, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=2264)
      0.16666667 = coord(1/6)
    
    Language
    e
  8. Swanson, D.R.: ¬The evidence underlying the Cranfield results (1965) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 2266) [ClassicSimilarity], result of:
          0.012033 = score(doc=2266,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2266, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=2266)
      0.16666667 = coord(1/6)
    
    Language
    e
  9. Richmond, P.A.: Review of the Cranfield project (1963) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 2269) [ClassicSimilarity], result of:
          0.012033 = score(doc=2269,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2269, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=2269)
      0.16666667 = coord(1/6)
    
    Language
    e
  10. Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962) 0.00
    0.0020055 = product of:
      0.012033 = sum of:
        0.012033 = weight(_text_:e in 2741) [ClassicSimilarity], result of:
          0.012033 = score(doc=2741,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2540935 = fieldWeight in 2741, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=2741)
      0.16666667 = coord(1/6)
    
    Language
    e
  11. Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966) 0.00
    0.0017548124 = product of:
      0.010528875 = sum of:
        0.010528875 = weight(_text_:e in 5363) [ClassicSimilarity], result of:
          0.010528875 = score(doc=5363,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.2223318 = fieldWeight in 5363, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.109375 = fieldNorm(doc=5363)
      0.16666667 = coord(1/6)
    
    Language
    e
  12. Zunde, P.; Dexter, M.E.: Factors affecting indexing performance (1969) 0.00
    0.001504125 = product of:
      0.0090247495 = sum of:
        0.0090247495 = weight(_text_:e in 7496) [ClassicSimilarity], result of:
          0.0090247495 = score(doc=7496,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.19057012 = fieldWeight in 7496, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=7496)
      0.16666667 = coord(1/6)
    
    Language
    e
  13. Tinker, F.F.: Imprecision in meaning measured by inconsistency of indexing (1966-68) 0.00
    0.0012534375 = product of:
      0.007520625 = sum of:
        0.007520625 = weight(_text_:e in 2275) [ClassicSimilarity], result of:
          0.007520625 = score(doc=2275,freq=2.0), product of:
            0.047356583 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.03294669 = queryNorm
            0.15880844 = fieldWeight in 2275, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.078125 = fieldNorm(doc=2275)
      0.16666667 = coord(1/6)
    
    Language
    e