Search (3 results, page 1 of 1)

  • × author_ss:"Gattung, B."
  • × theme_ss:"OPAC"
  1. Gattung, B.: Datenbank-Aufbau und -Update (1991) 0.01
    0.007740544 = product of:
      0.065794624 = sum of:
        0.03035186 = weight(_text_:und in 2061) [ClassicSimilarity], result of:
          0.03035186 = score(doc=2061,freq=6.0), product of:
            0.05111519 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.023062602 = queryNorm
            0.5937934 = fieldWeight in 2061, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.109375 = fieldNorm(doc=2061)
        0.035442766 = product of:
          0.07088553 = sum of:
            0.07088553 = weight(_text_:bibliothekswesen in 2061) [ClassicSimilarity], result of:
              0.07088553 = score(doc=2061,freq=2.0), product of:
                0.10280552 = queryWeight, product of:
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.023062602 = queryNorm
                0.68951094 = fieldWeight in 2061, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2061)
          0.5 = coord(1/2)
      0.11764706 = coord(2/17)
    
    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.52
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann
  2. Gattung, B.: ¬Der OPAC der Universitätsbibliothek Düsseldorf : Benutzungsperspektive (1991) 0.01
    0.006231344 = product of:
      0.052966423 = sum of:
        0.017523656 = weight(_text_:und in 496) [ClassicSimilarity], result of:
          0.017523656 = score(doc=496,freq=2.0), product of:
            0.05111519 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.023062602 = queryNorm
            0.34282678 = fieldWeight in 496, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.109375 = fieldNorm(doc=496)
        0.035442766 = product of:
          0.07088553 = sum of:
            0.07088553 = weight(_text_:bibliothekswesen in 496) [ClassicSimilarity], result of:
              0.07088553 = score(doc=496,freq=2.0), product of:
                0.10280552 = queryWeight, product of:
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.023062602 = queryNorm
                0.68951094 = fieldWeight in 496, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.109375 = fieldNorm(doc=496)
          0.5 = coord(1/2)
      0.11764706 = coord(2/17)
    
    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.53
  3. Gattung, B.: Zur Analyse des Benutzerverhaltens. T.1 (1991) 0.01
    0.006073105 = product of:
      0.051621392 = sum of:
        0.02124188 = weight(_text_:und in 2063) [ClassicSimilarity], result of:
          0.02124188 = score(doc=2063,freq=4.0), product of:
            0.05111519 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.023062602 = queryNorm
            0.41556883 = fieldWeight in 2063, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.09375 = fieldNorm(doc=2063)
        0.030379513 = product of:
          0.060759027 = sum of:
            0.060759027 = weight(_text_:bibliothekswesen in 2063) [ClassicSimilarity], result of:
              0.060759027 = score(doc=2063,freq=2.0), product of:
                0.10280552 = queryWeight, product of:
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.023062602 = queryNorm
                0.5910094 = fieldWeight in 2063, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.457672 = idf(docFreq=1392, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2063)
          0.5 = coord(1/2)
      0.11764706 = coord(2/17)
    
    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.52
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann