Search (3 results, page 1 of 1)

  • × author_ss:"Allen, B.L."
  • × year_i:[1990 TO 2000}
  1. Allen, B.L.: Information tasks : toward a user-centred approach to information systems (1996) 0.02 
    0.01620506 = product of:
  0.03241012 = sum of:
    0.03241012 = product of:
      0.06482024 = sum of:
        0.06482024 = weight(_text_:p in 2053) [ClassicSimilarity], result of:
          0.06482024 = score(doc=2053,freq=2.0), product of:
            0.1359764 = queryWeight, product of:
              3.5955126 = idf(docFreq=3298, maxDocs=44218)
              0.037818365 = queryNorm
            0.47670212 = fieldWeight in 2053, 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=2053)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Footnote
    Rez in: Information processing and management 33(1997) no.6, S.807 (P. Borlund)
  2. Allen, B.L.: Visualization and cognitve abilities (1998) 0.01 
    0.0076857996 = product of:
  0.015371599 = sum of:
    0.015371599 = product of:
      0.030743198 = sum of:
        0.030743198 = weight(_text_:22 in 2340) [ClassicSimilarity], result of:
          0.030743198 = score(doc=2340,freq=2.0), product of:
            0.13243347 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037818365 = queryNorm
            0.23214069 = fieldWeight in 2340, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2340)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    22. 9.1997 19:16:05
  3. Allen, B.L.: Designing information systems for user abilities and tasks : an experimental study (1998) 0.01 
    0.0076857996 = product of:
  0.015371599 = sum of:
    0.015371599 = product of:
      0.030743198 = sum of:
        0.030743198 = weight(_text_:22 in 2664) [ClassicSimilarity], result of:
          0.030743198 = score(doc=2664,freq=2.0), product of:
            0.13243347 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037818365 = queryNorm
            0.23214069 = fieldWeight in 2664, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2664)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Online and CD-ROM review. 22(1998) no.3, S.139-153

Types

Themes