Search (2 results, page 1 of 1)

  • × year_i:[1960 TO 1970}
  • × theme_ss:"Retrievalstudien"
  1. Cleverdon, C.W.; Mills, J.: ¬The testing of index language devices (1963) 0.01 
    0.009989617 = product of:
  0.019979235 = sum of:
    0.019979235 = product of:
      0.059937704 = sum of:
        0.059937704 = weight(_text_:j in 577) [ClassicSimilarity], result of:
          0.059937704 = score(doc=577,freq=2.0), product of:
            0.14227505 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.044775832 = queryNorm
            0.4212805 = fieldWeight in 577, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.09375 = fieldNorm(doc=577)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
  2. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.01 
    0.0070775915 = product of:
  0.014155183 = sum of:
    0.014155183 = product of:
      0.04246555 = sum of:
        0.04246555 = weight(_text_:22 in 2718) [ClassicSimilarity], result of:
          0.04246555 = score(doc=2718,freq=2.0), product of:
            0.15679733 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.044775832 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 22(1966), S.203-209

Authors