Search (5 results, page 1 of 1)

  • × author_ss:"Cleverdon, C.W."
  • × theme_ss:"Indexierungsstudien"
  1. Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967) 0.03 
    0.030085932 = product of:
  0.060171865 = sum of:
    0.060171865 = product of:
      0.09025779 = sum of:
        0.012436888 = weight(_text_:e in 1957) [ClassicSimilarity], result of:
          0.012436888 = score(doc=1957,freq=2.0), product of:
            0.06526148 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0454034 = 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)
        0.077820905 = weight(_text_:p in 1957) [ClassicSimilarity], result of:
          0.077820905 = score(doc=1957,freq=2.0), product of:
            0.1632485 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.0454034 = queryNorm
            0.47670212 = fieldWeight in 1957, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.09375 = fieldNorm(doc=1957)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    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) 0.03 
    0.028751766 = product of:
  0.057503533 = sum of:
    0.057503533 = product of:
      0.0862553 = sum of:
        0.012436888 = weight(_text_:e in 6158) [ClassicSimilarity], result of:
          0.012436888 = score(doc=6158,freq=2.0), product of:
            0.06526148 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0454034 = 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)
        0.07381841 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
          0.07381841 = score(doc=6158,freq=2.0), product of:
            0.15899497 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0454034 = 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)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
    Language
    e
  3. Cleverdon, C.W.: Evaluation tests of information retrieval systems (1970) 0.00 
    0.0027637533 = product of:
  0.0055275066 = sum of:
    0.0055275066 = product of:
      0.016582519 = sum of:
        0.016582519 = weight(_text_:e in 2272) [ClassicSimilarity], result of:
          0.016582519 = score(doc=2272,freq=2.0), product of:
            0.06526148 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0454034 = queryNorm
            0.2540935 = fieldWeight in 2272, 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=2272)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  4. 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 
    0.0027637533 = product of:
  0.0055275066 = sum of:
    0.0055275066 = product of:
      0.016582519 = sum of:
        0.016582519 = weight(_text_:e in 2741) [ClassicSimilarity], result of:
          0.016582519 = score(doc=2741,freq=2.0), product of:
            0.06526148 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0454034 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  5. Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966) 0.00 
    0.0024182838 = product of:
  0.0048365677 = sum of:
    0.0048365677 = product of:
      0.014509703 = sum of:
        0.014509703 = weight(_text_:e in 5363) [ClassicSimilarity], result of:
          0.014509703 = score(doc=5363,freq=2.0), product of:
            0.06526148 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0454034 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e

Authors

Years

Types