Search (2 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) 0.01 
    0.012856299 = product of:
  0.06428149 = sum of:
    0.06428149 = weight(_text_:u in 1957) [ClassicSimilarity], result of:
      0.06428149 = score(doc=1957,freq=2.0), product of:
        0.1480683 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.045219366 = 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)
  0.2 = coord(1/5)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.47-58.
  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 
    0.0073519195 = product of:
  0.036759596 = sum of:
    0.036759596 = product of:
      0.07351919 = sum of:
        0.07351919 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
          0.07351919 = score(doc=6158,freq=2.0), product of:
            0.15835051 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.045219366 = 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)
      0.5 = coord(1/2)
  0.2 = coord(1/5)
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)

Types