Search (1 results, page 1 of 1)

  • × author_ss:"Ballard, T."
  • × theme_ss:"Suchoberflächen"
  1. Ballard, T.; Smith, J.: ¬The human interface : an ongoing study of OPAC usage at Adelphi University (1992) 0.00
    0.0034038767 = product of:
      0.0068077534 = sum of:
        0.0068077534 = product of:
          0.01021163 = sum of:
            0.0054055275 = weight(_text_:a in 1590) [ClassicSimilarity], result of:
              0.0054055275 = score(doc=1590,freq=2.0), product of:
                0.053039093 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045999072 = queryNorm
                0.10191591 = fieldWeight in 1590, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1590)
            0.0048061023 = weight(_text_:s in 1590) [ClassicSimilarity], result of:
              0.0048061023 = score(doc=1590,freq=2.0), product of:
                0.05001192 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.045999072 = queryNorm
                0.09609913 = fieldWeight in 1590, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1590)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Pages
    S.58-73
    Type
    a