Search (2 results, page 1 of 1)

  • × theme_ss:"Benutzerstudien"
  • × theme_ss:"Information"
  • × year_i:[1990 TO 2000}
  1. Marchionini, G.; Xia, L.; Dwiggins, S.: Efforts of search and subject expertise on information seeking in a hypertext environment (1990) 0.00 
    2.5578897E-4 = product of:
  0.00741788 = sum of:
    0.00741788 = product of:
      0.02225364 = sum of:
        0.02225364 = weight(_text_:l in 4873) [ClassicSimilarity], result of:
          0.02225364 = score(doc=4873,freq=2.0), product of:
            0.08445894 = queryWeight, product of:
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.02124939 = queryNorm
            0.26348472 = fieldWeight in 4873, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.9746525 = idf(docFreq=2257, maxDocs=44218)
              0.046875 = fieldNorm(doc=4873)
      0.33333334 = coord(1/3)
  0.03448276 = coord(1/29)
  2. Eager, C.; Oppenheim, C.: ¬An observational method for undertaking user needs studies (1996) 0.00 
    1.2213158E-4 = product of:
  0.0035418156 = sum of:
    0.0035418156 = product of:
      0.007083631 = sum of:
        0.007083631 = weight(_text_:1 in 3671) [ClassicSimilarity], result of:
          0.007083631 = score(doc=3671,freq=2.0), product of:
            0.05219918 = queryWeight, product of:
              2.4565027 = idf(docFreq=10304, maxDocs=44218)
              0.02124939 = queryNorm
            0.13570388 = fieldWeight in 3671, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4565027 = idf(docFreq=10304, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3671)
      0.5 = coord(1/2)
  0.03448276 = coord(1/29)
    Source
    Journal of librarianship and information science. 28(1996) no.1, S.15-24

Authors