Search (4 results, page 1 of 1)

  • × author_ss:"Dreis, G."
  • × theme_ss:"OPAC"
  1. Dreis, G.: Zur Retrievalorganisation des OPAC (1991) 0.00 
    0.004614398 = product of:
  0.04614398 = sum of:
    0.022891572 = weight(_text_:und in 2059) [ClassicSimilarity], result of:
      0.022891572 = score(doc=2059,freq=4.0), product of:
        0.047215637 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.021303168 = queryNorm
        0.4848303 = fieldWeight in 2059, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.109375 = fieldNorm(doc=2059)
    0.023252407 = weight(_text_:der in 2059) [ClassicSimilarity], result of:
      0.023252407 = score(doc=2059,freq=4.0), product of:
        0.047586307 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.021303168 = queryNorm
        0.4886365 = fieldWeight in 2059, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.109375 = fieldNorm(doc=2059)
  0.1 = coord(2/20)
    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. Dreis, G.: Zur Analyse des Benutzerverhaltens. T.2 (1991) 0.00 
    0.003955198 = product of:
  0.03955198 = sum of:
    0.019621346 = weight(_text_:und in 2064) [ClassicSimilarity], result of:
      0.019621346 = score(doc=2064,freq=4.0), product of:
        0.047215637 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.021303168 = queryNorm
        0.41556883 = fieldWeight in 2064, 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=2064)
    0.019930635 = weight(_text_:der in 2064) [ClassicSimilarity], result of:
      0.019930635 = score(doc=2064,freq=4.0), product of:
        0.047586307 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.021303168 = queryNorm
        0.4188313 = fieldWeight in 2064, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=2064)
  0.1 = coord(2/20)
    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
  3. Dreis, G.: Formen des sachlichen Zugriffs : Probleme des automatischen Indexierens (1991) 0.00 
    0.003955198 = product of:
  0.03955198 = sum of:
    0.019621346 = weight(_text_:und in 2995) [ClassicSimilarity], result of:
      0.019621346 = score(doc=2995,freq=4.0), product of:
        0.047215637 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.021303168 = queryNorm
        0.41556883 = fieldWeight in 2995, 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=2995)
    0.019930635 = weight(_text_:der in 2995) [ClassicSimilarity], result of:
      0.019930635 = score(doc=2995,freq=4.0), product of:
        0.047586307 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.021303168 = queryNorm
        0.4188313 = fieldWeight in 2995, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.09375 = fieldNorm(doc=2995)
  0.1 = coord(2/20)
    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.52
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27. u.28.11.1989. Hrsg.: G. Gattermann
  4. Dreis, G.: Benutzerverhalten an einem Online-Publikumskatalog für wissenschaftliche Bibliotheken : Ergebnisse und Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1994) 0.00 
    0.002809536 = product of:
  0.028095359 = sum of:
    0.01635112 = weight(_text_:und in 2703) [ClassicSimilarity], result of:
      0.01635112 = score(doc=2703,freq=4.0), product of:
        0.047215637 = queryWeight, product of:
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.021303168 = queryNorm
        0.34630734 = fieldWeight in 2703, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          2.216367 = idf(docFreq=13101, maxDocs=44218)
          0.078125 = fieldNorm(doc=2703)
    0.011744238 = weight(_text_:der in 2703) [ClassicSimilarity], result of:
      0.011744238 = score(doc=2703,freq=2.0), product of:
        0.047586307 = queryWeight, product of:
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.021303168 = queryNorm
        0.2467987 = fieldWeight in 2703, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.2337668 = idf(docFreq=12875, maxDocs=44218)
          0.078125 = fieldNorm(doc=2703)
  0.1 = coord(2/20)
    Series
    Zeitschrift für Bibliothekswesen und Bibliographie: Sonderh.57

Types

Themes