Search (3 results, page 1 of 1)

  • × author_ss:"Dreis, G."
  • × type_ss:"a"
  • × year_i:[1990 TO 2000}
  1. Dreis, G.: Zur Retrievalorganisation des OPAC (1991) 0.03 
    0.031719897 = product of:
  0.063439794 = sum of:
    0.063439794 = product of:
      0.12687959 = sum of:
        0.12687959 = weight(_text_:g in 2059) [ClassicSimilarity], result of:
          0.12687959 = score(doc=2059,freq=4.0), product of:
            0.15442735 = queryWeight, product of:
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.041115418 = queryNorm
            0.8216135 = fieldWeight in 2059, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.109375 = fieldNorm(doc=2059)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    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) 0.03 
    0.027188485 = product of:
  0.05437697 = sum of:
    0.05437697 = product of:
      0.10875394 = sum of:
        0.10875394 = weight(_text_:g in 2064) [ClassicSimilarity], result of:
          0.10875394 = score(doc=2064,freq=4.0), product of:
            0.15442735 = queryWeight, product of:
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.041115418 = queryNorm
            0.70424014 = fieldWeight in 2064, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.09375 = fieldNorm(doc=2064)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    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) 0.03 
    0.027188485 = product of:
  0.05437697 = sum of:
    0.05437697 = product of:
      0.10875394 = sum of:
        0.10875394 = weight(_text_:g in 2995) [ClassicSimilarity], result of:
          0.10875394 = score(doc=2995,freq=4.0), product of:
            0.15442735 = queryWeight, product of:
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.041115418 = queryNorm
            0.70424014 = fieldWeight in 2995, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.7559474 = idf(docFreq=2809, maxDocs=44218)
              0.09375 = fieldNorm(doc=2995)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27. u.28.11.1989. Hrsg.: G. Gattermann

Themes