Search (3 results, page 1 of 1)

  • × theme_ss:"Indexierungsstudien"
  • × type_ss:"r"
  1. Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960) 0.06 
    0.059100103 = product of:
  0.1773003 = sum of:
    0.1773003 = sum of:
      0.09652121 = weight(_text_:indexing in 6158) [ClassicSimilarity], result of:
        0.09652121 = score(doc=6158,freq=2.0), product of:
          0.19018644 = queryWeight, product of:
            3.8278677 = idf(docFreq=2614, maxDocs=44218)
            0.049684696 = queryNorm
          0.5075084 = fieldWeight in 6158, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.8278677 = idf(docFreq=2614, maxDocs=44218)
            0.09375 = fieldNorm(doc=6158)
      0.08077908 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
        0.08077908 = score(doc=6158,freq=2.0), product of:
          0.17398734 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.049684696 = 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)
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
  2. Cleverdon, C.W.: Aslib Cranfield research project : report on the testing and analysis of an investigation into the comparative efficiency of indexing systems (1962) 0.02 
    0.02144916 = product of:
  0.064347476 = sum of:
    0.064347476 = product of:
      0.12869495 = sum of:
        0.12869495 = weight(_text_:indexing in 2741) [ClassicSimilarity], result of:
          0.12869495 = score(doc=2741,freq=2.0), product of:
            0.19018644 = queryWeight, product of:
              3.8278677 = idf(docFreq=2614, maxDocs=44218)
              0.049684696 = queryNorm
            0.6766778 = fieldWeight in 2741, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.8278677 = idf(docFreq=2614, maxDocs=44218)
              0.125 = fieldNorm(doc=2741)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
  3. Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966) 0.02 
    0.018768014 = product of:
  0.05630404 = sum of:
    0.05630404 = product of:
      0.11260808 = sum of:
        0.11260808 = weight(_text_:indexing in 5363) [ClassicSimilarity], result of:
          0.11260808 = score(doc=5363,freq=2.0), product of:
            0.19018644 = queryWeight, product of:
              3.8278677 = idf(docFreq=2614, maxDocs=44218)
              0.049684696 = queryNorm
            0.5920931 = fieldWeight in 5363, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.8278677 = idf(docFreq=2614, maxDocs=44218)
              0.109375 = fieldNorm(doc=5363)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Authors