Search (4 results, page 1 of 1)

  • × author_ss:"Dreis, G."
  • × theme_ss:"OPAC"
  1. Dreis, G.: Formen des sachlichen Zugriffs : Probleme des automatischen Indexierens (1991) 0.00 
    0.0037474788 = product of:
  0.03747479 = sum of:
    0.010943435 = product of:
      0.02188687 = sum of:
        0.02188687 = weight(_text_:online in 2995) [ClassicSimilarity], result of:
          0.02188687 = score(doc=2995,freq=2.0), product of:
            0.05439423 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.017922899 = queryNorm
            0.40237486 = fieldWeight in 2995, 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=2995)
      0.5 = coord(1/2)
    0.025478259 = weight(_text_:u in 2995) [ClassicSimilarity], result of:
      0.025478259 = score(doc=2995,freq=2.0), product of:
        0.058687534 = queryWeight, product of:
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.017922899 = queryNorm
        0.43413407 = fieldWeight in 2995, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.2744443 = idf(docFreq=4547, maxDocs=44218)
          0.09375 = fieldNorm(doc=2995)
    0.0010530944 = product of:
      0.003159283 = sum of:
        0.003159283 = weight(_text_:a in 2995) [ClassicSimilarity], result of:
          0.003159283 = score(doc=2995,freq=2.0), product of:
            0.020665944 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.017922899 = queryNorm
            0.15287387 = fieldWeight in 2995, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.09375 = fieldNorm(doc=2995)
      0.33333334 = coord(1/3)
  0.1 = coord(3/30)
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27. u.28.11.1989. Hrsg.: G. Gattermann
    Type
    a
  2. Dreis, G.: Zur Retrievalorganisation des OPAC (1991) 0.00 
    9.3306345E-4 = product of:
  0.013995951 = sum of:
    0.012767341 = product of:
      0.025534682 = sum of:
        0.025534682 = weight(_text_:online in 2059) [ClassicSimilarity], result of:
          0.025534682 = score(doc=2059,freq=2.0), product of:
            0.05439423 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.017922899 = queryNorm
            0.46943733 = fieldWeight in 2059, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.109375 = fieldNorm(doc=2059)
      0.5 = coord(1/2)
    0.00122861 = product of:
      0.00368583 = sum of:
        0.00368583 = weight(_text_:a in 2059) [ClassicSimilarity], result of:
          0.00368583 = score(doc=2059,freq=2.0), product of:
            0.020665944 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.017922899 = queryNorm
            0.17835285 = fieldWeight in 2059, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.109375 = fieldNorm(doc=2059)
      0.33333334 = coord(1/3)
  0.06666667 = coord(2/30)
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann
    Type
    a
  3. Dreis, G.: Zur Analyse des Benutzerverhaltens. T.2 (1991) 0.00 
    7.997687E-4 = product of:
  0.01199653 = sum of:
    0.010943435 = product of:
      0.02188687 = sum of:
        0.02188687 = weight(_text_:online in 2064) [ClassicSimilarity], result of:
          0.02188687 = score(doc=2064,freq=2.0), product of:
            0.05439423 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.017922899 = 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)
      0.5 = coord(1/2)
    0.0010530944 = product of:
      0.003159283 = sum of:
        0.003159283 = weight(_text_:a in 2064) [ClassicSimilarity], result of:
          0.003159283 = score(doc=2064,freq=2.0), product of:
            0.020665944 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.017922899 = queryNorm
            0.15287387 = fieldWeight in 2064, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.09375 = fieldNorm(doc=2064)
      0.33333334 = coord(1/3)
  0.06666667 = coord(2/30)
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann
    Type
    a
  4. Dreis, G.: Benutzerverhalten an einem Online-Publikumskatalog für wissenschaftliche Bibliotheken : Ergebnisse und Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1994) 0.00 
    3.0398433E-4 = product of:
  0.009119529 = sum of:
    0.009119529 = product of:
      0.018239059 = sum of:
        0.018239059 = weight(_text_:online in 2703) [ClassicSimilarity], result of:
          0.018239059 = score(doc=2703,freq=2.0), product of:
            0.05439423 = queryWeight, product of:
              3.0349014 = idf(docFreq=5778, maxDocs=44218)
              0.017922899 = 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)
      0.5 = coord(1/2)
  0.033333335 = coord(1/30)

Types

Themes