Search (3 results, page 1 of 1)

  • × author_ss:"Gattung, B."
  • × year_i:[1990 TO 2000}
  1. Gattung, B.: ¬Der OPAC der Universitätsbibliothek Düsseldorf : Benutzungsperspektive (1991) 0.02 
    0.022094795 = product of:
  0.04418959 = sum of:
    0.04418959 = product of:
      0.08837918 = sum of:
        0.08837918 = weight(_text_:b in 496) [ClassicSimilarity], result of:
          0.08837918 = score(doc=496,freq=2.0), product of:
            0.16126883 = queryWeight, product of:
              3.542962 = idf(docFreq=3476, maxDocs=44218)
              0.045518078 = queryNorm
            0.54802394 = fieldWeight in 496, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.542962 = idf(docFreq=3476, maxDocs=44218)
              0.109375 = fieldNorm(doc=496)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Gattung, B.: Datenbank-Aufbau und -Update (1991) 0.02 
    0.022094795 = product of:
  0.04418959 = sum of:
    0.04418959 = product of:
      0.08837918 = sum of:
        0.08837918 = weight(_text_:b in 2061) [ClassicSimilarity], result of:
          0.08837918 = score(doc=2061,freq=2.0), product of:
            0.16126883 = queryWeight, product of:
              3.542962 = idf(docFreq=3476, maxDocs=44218)
              0.045518078 = queryNorm
            0.54802394 = fieldWeight in 2061, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.542962 = idf(docFreq=3476, maxDocs=44218)
              0.109375 = fieldNorm(doc=2061)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Gattung, B.: Zur Analyse des Benutzerverhaltens. T.1 (1991) 0.02 
    0.018938396 = product of:
  0.037876792 = sum of:
    0.037876792 = product of:
      0.075753585 = sum of:
        0.075753585 = weight(_text_:b in 2063) [ClassicSimilarity], result of:
          0.075753585 = score(doc=2063,freq=2.0), product of:
            0.16126883 = queryWeight, product of:
              3.542962 = idf(docFreq=3476, maxDocs=44218)
              0.045518078 = queryNorm
            0.46973482 = fieldWeight in 2063, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.542962 = idf(docFreq=3476, maxDocs=44218)
              0.09375 = fieldNorm(doc=2063)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Themes