Search (1 results, page 1 of 1)

  • × author_ss:"Borgman, C.L."
  • × theme_ss:"Benutzerstudien"
  • × year_i:[1990 TO 2000}
  1. Sullivan, M.V.; Borgman, C.L.; Wippern, D.: End-users, mediated searches, and front-end assistance programs on dialig : a comparison of learning, performance, and satisfaction (1990) 0.00
    0.0028334977 = product of:
      0.011333991 = sum of:
        0.011333991 = product of:
          0.045335963 = sum of:
            0.045335963 = weight(_text_:learning in 415) [ClassicSimilarity], result of:
              0.045335963 = score(doc=415,freq=2.0), product of:
                0.15317118 = queryWeight, product of:
                  4.464877 = idf(docFreq=1382, maxDocs=44218)
                  0.0343058 = queryNorm
                0.29598233 = fieldWeight in 415, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.464877 = idf(docFreq=1382, maxDocs=44218)
                  0.046875 = fieldNorm(doc=415)
          0.25 = coord(1/4)
      0.25 = coord(1/4)