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
    0.008821545 = product of:
      0.026464634 = sum of:
        0.026464634 = product of:
          0.0793939 = sum of:
            0.0793939 = weight(_text_:k in 1957) [ClassicSimilarity], result of:
              0.0793939 = score(doc=1957,freq=2.0), product of:
                0.16774888 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.046991404 = 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)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
    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
    0.008488916 = product of:
      0.025466746 = sum of:
        0.025466746 = product of:
          0.076400235 = sum of:
            0.076400235 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
              0.076400235 = score(doc=6158,freq=2.0), product of:
                0.16455589 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046991404 = 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)

Types