Search (3 results, page 1 of 1)

  • × author_ss:"Ellis, D."
  • × year_i:[1980 TO 1990}
  1. Ellis, D.: ¬A behavioral approach to information system design (1989) 0.00 
    0.002301734 = product of:
  0.013810404 = sum of:
    0.013810404 = weight(_text_:e in 2706) [ClassicSimilarity], result of:
      0.013810404 = score(doc=2706,freq=2.0), product of:
        0.05435166 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.037813272 = queryNorm
        0.2540935 = fieldWeight in 2706, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.125 = fieldNorm(doc=2706)
  0.16666667 = coord(1/6)
    Language
    e
  2. Ellis, D.: ¬A behavioral model for information retrieval system design (1989) 0.00 
    0.002301734 = product of:
  0.013810404 = sum of:
    0.013810404 = weight(_text_:e in 2707) [ClassicSimilarity], result of:
      0.013810404 = score(doc=2707,freq=2.0), product of:
        0.05435166 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.037813272 = queryNorm
        0.2540935 = fieldWeight in 2707, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.125 = fieldNorm(doc=2707)
  0.16666667 = coord(1/6)
    Language
    e
  3. Ellis, D.: Theory and explanation in information retrieval research (1984) 0.00 
    0.002301734 = product of:
  0.013810404 = sum of:
    0.013810404 = weight(_text_:e in 5337) [ClassicSimilarity], result of:
      0.013810404 = score(doc=5337,freq=2.0), product of:
        0.05435166 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.037813272 = queryNorm
        0.2540935 = fieldWeight in 5337, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.125 = fieldNorm(doc=5337)
  0.16666667 = coord(1/6)
    Language
    e