Search (1 results, page 1 of 1)

  • × author_ss:"Gillespie, C.J."
  • × author_ss:"Lancaster, F.W."
  1. Lancaster, F.W.; Gillespie, C.J.: Design and evaluation of information systems (1970) 0.02
    0.019857228 = product of:
      0.089357525 = sum of:
        0.023950063 = weight(_text_:of in 243) [ClassicSimilarity], result of:
          0.023950063 = score(doc=243,freq=4.0), product of:
            0.061262865 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.03917671 = queryNorm
            0.39093933 = fieldWeight in 243, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.125 = fieldNorm(doc=243)
        0.06540746 = weight(_text_:systems in 243) [ClassicSimilarity], result of:
          0.06540746 = score(doc=243,freq=2.0), product of:
            0.12039685 = queryWeight, product of:
              3.0731742 = idf(docFreq=5561, maxDocs=44218)
              0.03917671 = queryNorm
            0.5432656 = fieldWeight in 243, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0731742 = idf(docFreq=5561, maxDocs=44218)
              0.125 = fieldNorm(doc=243)
      0.22222222 = coord(2/9)
    
    Source
    Annual review of information science and technology. 5(1970), S.33-70