Search (5 results, page 1 of 1)

  • × language_ss:"d"
  • × theme_ss:"OPAC"
  • × theme_ss:"Retrievalalgorithmen"
  • × type_ss:"a"
  1. Koopman, R.: ¬Ein OPAC mit Gewichtungsalgorithmen : Der PICA Micro OPC (1996) 0.02
    0.023310876 = product of:
      0.04662175 = sum of:
        0.04662175 = product of:
          0.069932625 = sum of:
            0.063996255 = weight(_text_:k in 4114) [ClassicSimilarity], result of:
              0.063996255 = score(doc=4114,freq=2.0), product of:
                0.16225883 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.04545348 = queryNorm
                0.39440846 = fieldWeight in 4114, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4114)
            0.0059363716 = weight(_text_:s in 4114) [ClassicSimilarity], result of:
              0.0059363716 = score(doc=4114,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.120123915 = fieldWeight in 4114, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4114)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Pages
    S.95-105
    Source
    Zukunft der Sacherschließung im OPAC: Vorträge des 2. Düsseldorfer OPAC-Kolloquiums am 21. Juni 1995. Hrsg.: E. Niggemann u. K. Lepsky
  2. Maylein, L.; Langenstein, A.: Neues vom Relevanz-Ranking im HEIDI-Katalog der Universitätsbibliothek Heidelberg : Perspektiven für bibliothekarische Dienstleistungen (2013) 0.00
    7.915163E-4 = product of:
      0.0015830325 = sum of:
        0.0015830325 = product of:
          0.0047490974 = sum of:
            0.0047490974 = weight(_text_:s in 775) [ClassicSimilarity], result of:
              0.0047490974 = score(doc=775,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.09609913 = fieldWeight in 775, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0625 = fieldNorm(doc=775)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    B.I.T.online. 16(2013) H.3, S.190-200
  3. Oberhauser, O.; Labner, J.: Relevance Ranking in Online-Katalogen : Informationsstand und Perspektiven (2003) 0.00
    6.9257664E-4 = product of:
      0.0013851533 = sum of:
        0.0013851533 = product of:
          0.00415546 = sum of:
            0.00415546 = weight(_text_:s in 2188) [ClassicSimilarity], result of:
              0.00415546 = score(doc=2188,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.08408674 = fieldWeight in 2188, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2188)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Mitteilungen der Vereinigung Österreichischer Bibliothekarinnen und Bibliothekare. 56(2003) H.3/4, S.49-63
  4. Hora, M.: Methoden für das Ranking in Discovery-Systemen (2018) 0.00
    6.9257664E-4 = product of:
      0.0013851533 = sum of:
        0.0013851533 = product of:
          0.00415546 = sum of:
            0.00415546 = weight(_text_:s in 4968) [ClassicSimilarity], result of:
              0.00415546 = score(doc=4968,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.08408674 = fieldWeight in 4968, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4968)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Perspektive Bibliothek. 7(2018) H.2, S.2-23
  5. Oberhauser, O.: Relevance Ranking in den Online-Katalogen der "nächsten Generation" (2010) 0.00
    5.936372E-4 = product of:
      0.0011872743 = sum of:
        0.0011872743 = product of:
          0.003561823 = sum of:
            0.003561823 = weight(_text_:s in 4308) [ClassicSimilarity], result of:
              0.003561823 = score(doc=4308,freq=2.0), product of:
                0.049418733 = queryWeight, product of:
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.04545348 = queryNorm
                0.072074346 = fieldWeight in 4308, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.0872376 = idf(docFreq=40523, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4308)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Mitteilungen der Vereinigung Österreichischer Bibliothekarinnen und Bibliothekare. 63(2010) H.1/2, S.25-37