Search (2 results, page 1 of 1)

  • × author_ss:"Dreis, G."
  • × theme_ss:"Benutzerstudien"
  1. Dreis, G.: Zur Analyse des Benutzerverhaltens. T.2 (1991) 0.01 
    0.0069230343 = product of:
  0.020769102 = sum of:
    0.020769102 = product of:
      0.062307306 = sum of:
        0.062307306 = weight(_text_:online in 2064) [ClassicSimilarity], result of:
          0.062307306 = score(doc=2064,freq=2.0), product of:
            0.1548489 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.051022716 = queryNorm
            0.40237486 = fieldWeight in 2064, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.09375 = fieldNorm(doc=2064)
      0.33333334 = coord(1/3)
  0.33333334 = coord(1/3)
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann
  2. Dreis, G.: Benutzerverhalten an einem Online-Publikumskatalog für wissenschaftliche Bibliotheken : Ergebnisse und Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1994) 0.01 
    0.005769195 = product of:
  0.017307585 = sum of:
    0.017307585 = product of:
      0.051922753 = sum of:
        0.051922753 = weight(_text_:online in 2703) [ClassicSimilarity], result of:
          0.051922753 = score(doc=2703,freq=2.0), product of:
            0.1548489 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.051022716 = queryNorm
            0.33531237 = fieldWeight in 2703, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.078125 = fieldNorm(doc=2703)
      0.33333334 = coord(1/3)
  0.33333334 = coord(1/3)

Types