Search (3 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 
    0.007198854 = product of:
  0.050391976 = sum of:
    0.012695835 = weight(_text_:information in 1957) [ClassicSimilarity], result of:
      0.012695835 = score(doc=1957,freq=2.0), product of:
        0.0545481 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.031073077 = queryNorm
        0.23274569 = fieldWeight in 1957, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=1957)
    0.03769614 = weight(_text_:retrieval in 1957) [ClassicSimilarity], result of:
      0.03769614 = score(doc=1957,freq=2.0), product of:
        0.09399342 = queryWeight, product of:
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.031073077 = queryNorm
        0.40105087 = fieldWeight in 1957, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.024915 = idf(docFreq=5836, maxDocs=44218)
          0.09375 = fieldNorm(doc=1957)
  0.14285715 = coord(2/14)
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.47-58.
  2. Zunde, P.; Dexter, M.E.: Factors affecting indexing performance (1969) 0.00 
    0.001282473 = product of:
  0.017954621 = sum of:
    0.017954621 = weight(_text_:information in 7496) [ClassicSimilarity], result of:
      0.017954621 = score(doc=7496,freq=4.0), product of:
        0.0545481 = queryWeight, product of:
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.031073077 = queryNorm
        0.3291521 = fieldWeight in 7496, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.7554779 = idf(docFreq=20772, maxDocs=44218)
          0.09375 = fieldNorm(doc=7496)
  0.071428575 = coord(1/14)
    Source
    Cooperating information societies: Proceedings of the 32nd Annual Meeting of the American Society for Information Science, San Francisco, CA, 1.-4.10.1969. Ed.: J.B. North
  3. Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960) 0.00 
    0.0012028494 = product of:
  0.016839892 = sum of:
    0.016839892 = product of:
      0.050519675 = sum of:
        0.050519675 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
          0.050519675 = score(doc=6158,freq=2.0), product of:
            0.10881262 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.031073077 = 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)
  0.071428575 = coord(1/14)
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)

Authors

Types