Search (4 results, page 1 of 1)

  • × year_i:[1960 TO 1970}
  • × 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) 0.01
    0.0076457346 = product of:
      0.030582938 = sum of:
        0.030582938 = product of:
          0.061165877 = sum of:
            0.061165877 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
              0.061165877 = score(doc=6158,freq=2.0), product of:
                0.13174312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.037621226 = 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)
      0.25 = coord(1/4)
    
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)
  2. Davison, K.: Classification practice in Britain : report on a survey of classification opinion and practice in Great Britain, with particular reference to the Dewey Decimal Classification (1966) 0.01
    0.0061796973 = product of:
      0.02471879 = sum of:
        0.02471879 = product of:
          0.07415637 = sum of:
            0.07415637 = weight(_text_:k in 3469) [ClassicSimilarity], result of:
              0.07415637 = score(doc=3469,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.5521719 = fieldWeight in 3469, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3469)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
  3. Freeman, R.R.: Research project for the evaluation of the UDC as the indexing language for a mechanized reference retrieval system : progress report for the period July 1, 1965 - Jan. 31, 1966 (1966) 0.01
    0.0052968836 = product of:
      0.021187535 = sum of:
        0.021187535 = product of:
          0.0635626 = sum of:
            0.0635626 = weight(_text_:k in 3491) [ClassicSimilarity], result of:
              0.0635626 = score(doc=3491,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.47329018 = fieldWeight in 3491, 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=3491)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Signature
    Al 12b Fre K
  4. Doyle, L.B.: Indexing and abstracting by association : Part 1 (1962) 0.01
    0.0052968836 = product of:
      0.021187535 = sum of:
        0.021187535 = product of:
          0.0635626 = sum of:
            0.0635626 = weight(_text_:k in 1927) [ClassicSimilarity], result of:
              0.0635626 = score(doc=1927,freq=2.0), product of:
                0.13429943 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.037621226 = queryNorm
                0.47329018 = fieldWeight in 1927, 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=1927)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.25-38