Search (7 results, page 1 of 1)

  • × language_ss:"e"
  • × type_ss:"a"
  • × year_i:[1960 TO 1970}
  1. Swets, J.A.: Information retrieval systems (1963) 0.09
    0.0859464 = product of:
      0.1718928 = sum of:
        0.1718928 = product of:
          0.3437856 = sum of:
            0.3437856 = weight(_text_:j.a in 5482) [ClassicSimilarity], result of:
              0.3437856 = score(doc=5482,freq=2.0), product of:
                0.26311177 = queryWeight, product of:
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.044496704 = queryNorm
                1.3066144 = fieldWeight in 5482, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.15625 = fieldNorm(doc=5482)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Swets, J.A.: Effectiveness of information retrieval systems (1969) 0.09
    0.0859464 = product of:
      0.1718928 = sum of:
        0.1718928 = product of:
          0.3437856 = sum of:
            0.3437856 = weight(_text_:j.a in 5483) [ClassicSimilarity], result of:
              0.3437856 = score(doc=5483,freq=2.0), product of:
                0.26311177 = queryWeight, product of:
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.044496704 = queryNorm
                1.3066144 = fieldWeight in 5483, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.15625 = fieldNorm(doc=5483)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Shrejder, J.A.: ¬A mathematical model of classification theory (1968) 0.05
    0.05156785 = product of:
      0.1031357 = sum of:
        0.1031357 = product of:
          0.2062714 = sum of:
            0.2062714 = weight(_text_:j.a in 5533) [ClassicSimilarity], result of:
              0.2062714 = score(doc=5533,freq=2.0), product of:
                0.26311177 = queryWeight, product of:
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.044496704 = queryNorm
                0.7839687 = fieldWeight in 5533, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  5.913062 = idf(docFreq=324, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5533)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  4. Hockett, C.F.: ¬The problem of universals in language (1963) 0.02
    0.024114756 = product of:
      0.04822951 = sum of:
        0.04822951 = product of:
          0.09645902 = sum of:
            0.09645902 = weight(_text_:22 in 5591) [ClassicSimilarity], result of:
              0.09645902 = score(doc=5591,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = queryNorm
                0.61904186 = fieldWeight in 5591, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=5591)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Pages
    S. 1-22
  5. Coates, E.J.: CRG proposals for a new general classification (1969) 0.02
    0.018086066 = product of:
      0.036172133 = sum of:
        0.036172133 = product of:
          0.072344266 = sum of:
            0.072344266 = weight(_text_:22 in 1283) [ClassicSimilarity], result of:
              0.072344266 = score(doc=1283,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = queryNorm
                0.46428138 = fieldWeight in 1283, 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=1283)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Pages
    S.19-22
  6. Mooers, C.: ¬The indexing language of an information retrieval system (1963) 0.02
    0.015071724 = product of:
      0.030143447 = sum of:
        0.030143447 = product of:
          0.060286894 = sum of:
            0.060286894 = weight(_text_:22 in 1641) [ClassicSimilarity], result of:
              0.060286894 = score(doc=1641,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = queryNorm
                0.38690117 = fieldWeight in 1641, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1641)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information retrieval today: papers presented at an Institute conducted by the Library School and the Cetre for Continuation Study, University of Minnesota, Sept. 19-22, 1962. Ed. by. Wesley Simonton
  7. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.01
    0.010550206 = product of:
      0.021100411 = sum of:
        0.021100411 = product of:
          0.042200822 = sum of:
            0.042200822 = weight(_text_:22 in 2718) [ClassicSimilarity], result of:
              0.042200822 = score(doc=2718,freq=2.0), product of:
                0.15581988 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044496704 = queryNorm
                0.2708308 = fieldWeight in 2718, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2718)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 22(1966), S.203-209