Search (4 results, page 1 of 1)

  • × theme_ss:"Indexierungsstudien"
  • × year_i:[1960 TO 1970}
  1. Zunde, P.; Dexter, M.E.: Indexing consistency and quality (1969) 0.03
    0.029823542 = product of:
      0.059647083 = sum of:
        0.059647083 = product of:
          0.11929417 = sum of:
            0.11929417 = weight(_text_:p in 2264) [ClassicSimilarity], result of:
              0.11929417 = score(doc=2264,freq=2.0), product of:
                0.18768665 = queryWeight, product of:
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.052200247 = queryNorm
                0.63560283 = fieldWeight in 2264, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.125 = fieldNorm(doc=2264)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Zunde, P.; Dexter, M.E.: Factors affecting indexing performance (1969) 0.02
    0.022367656 = product of:
      0.044735312 = sum of:
        0.044735312 = product of:
          0.089470625 = sum of:
            0.089470625 = weight(_text_:p in 7496) [ClassicSimilarity], result of:
              0.089470625 = score(doc=7496,freq=2.0), product of:
                0.18768665 = queryWeight, product of:
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.052200247 = queryNorm
                0.47670212 = fieldWeight in 7496, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.09375 = fieldNorm(doc=7496)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Cleverdon, C.W.: ¬The Cranfield tests on index language devices (1967) 0.02
    0.022367656 = product of:
      0.044735312 = sum of:
        0.044735312 = product of:
          0.089470625 = sum of:
            0.089470625 = weight(_text_:p in 1957) [ClassicSimilarity], result of:
              0.089470625 = score(doc=1957,freq=2.0), product of:
                0.18768665 = queryWeight, product of:
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.052200247 = queryNorm
                0.47670212 = fieldWeight in 1957, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1957)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.47-58.
  4. Cleverdon, C.W.: ASLIB Cranfield Research Project : Report on the first stage of an investigation into the comparative efficiency of indexing systems (1960) 0.02
    0.021217238 = product of:
      0.042434476 = sum of:
        0.042434476 = product of:
          0.08486895 = sum of:
            0.08486895 = weight(_text_:22 in 6158) [ClassicSimilarity], result of:
              0.08486895 = score(doc=6158,freq=2.0), product of:
                0.18279637 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.052200247 = 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)
      0.5 = coord(1/2)
    
    Footnote
    Rez. in: College and research libraries 22(1961) no.3, S.228 (G. Jahoda)

Types