Search (2 results, page 1 of 1)

  • × theme_ss:"Indexierungsstudien"
  • × type_ss:"r"
  1. Cleverdon, C.W.; Mills, J.; Keen, M.: Factors determining the performance of indexing systems : ASLIB Cranfield research project (1966) 0.02
    0.020750271 = product of:
      0.06225081 = sum of:
        0.06225081 = weight(_text_:j in 5363) [ClassicSimilarity], result of:
          0.06225081 = score(doc=5363,freq=2.0), product of:
            0.12665632 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.039860412 = queryNorm
            0.4914939 = fieldWeight in 5363, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.109375 = fieldNorm(doc=5363)
      0.33333334 = coord(1/3)
    
  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
    0.007200714 = product of:
      0.021602143 = sum of:
        0.021602143 = product of:
          0.064806424 = sum of:
            0.064806424 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
              0.064806424 = score(doc=6158,freq=2.0), product of:
                0.13958438 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.039860412 = 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(1/3)
    
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)