Search (10 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"OPAC"
  1. Khoo, C.S.G.; Wan, K.-W.: ¬A simple relevancy-ranking strategy for an interface to Boolean OPACs (2004) 0.01 
    0.009803199 = product of:
  0.019606398 = sum of:
    0.019606398 = sum of:
      0.0017238096 = weight(_text_:s in 2509) [ClassicSimilarity], result of:
        0.0017238096 = score(doc=2509,freq=2.0), product of:
          0.04100075 = queryWeight, product of:
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.03771094 = queryNorm
          0.04204337 = fieldWeight in 2509, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.0872376 = idf(docFreq=40523, maxDocs=44218)
            0.02734375 = fieldNorm(doc=2509)
      0.01788259 = weight(_text_:22 in 2509) [ClassicSimilarity], result of:
        0.01788259 = score(doc=2509,freq=2.0), product of:
          0.13205728 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.03771094 = queryNorm
          0.1354154 = fieldWeight in 2509, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.02734375 = fieldNorm(doc=2509)
  0.5 = coord(1/2)
    Source
    Electronic library. 22(2004) no.2, S.112-120
  2. Tseng, Y.H.; Lin, Y.I.: Evaluation of fuzzy search, term suggestion, and term relevance feedback in an OPAC system (1998) 0.00 
    0.0014775512 = product of:
  0.0029551024 = sum of:
    0.0029551024 = product of:
      0.0059102047 = sum of:
        0.0059102047 = weight(_text_:s in 6430) [ClassicSimilarity], result of:
          0.0059102047 = score(doc=6430,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.14414869 = fieldWeight in 6430, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.09375 = fieldNorm(doc=6430)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Bulletin of the Library Association of China. 1998, no.61, S.103-125
  3. Koopman, R.: ¬Ein OPAC mit Gewichtungsalgorithmen : Der PICA Micro OPC (1996) 0.00 
    0.0012312926 = product of:
  0.0024625852 = sum of:
    0.0024625852 = product of:
      0.0049251704 = sum of:
        0.0049251704 = weight(_text_:s in 4114) [ClassicSimilarity], result of:
          0.0049251704 = score(doc=4114,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Pages
    S.95-105
  4. Archuby, C.G.: Interfaces se recuperacion para catalogos en linea con salidas ordenadas por probable relevancia (2000) 0.00 
    0.0012312926 = product of:
  0.0024625852 = sum of:
    0.0024625852 = product of:
      0.0049251704 = sum of:
        0.0049251704 = weight(_text_:s in 5727) [ClassicSimilarity], result of:
          0.0049251704 = score(doc=5727,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.120123915 = fieldWeight in 5727, 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=5727)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Ciencia da informacao. 29(2000) no.3, S.5-13
  5. Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992) 0.00 
    0.0012189177 = product of:
  0.0024378353 = sum of:
    0.0024378353 = product of:
      0.0048756707 = sum of:
        0.0048756707 = weight(_text_:s in 2731) [ClassicSimilarity], result of:
          0.0048756707 = score(doc=2731,freq=4.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.118916616 = fieldWeight in 2731, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2731)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Journal of documentation. 48(1992) no.4, S.406-421
  6. Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998) 0.00 
    0.0012189177 = product of:
  0.0024378353 = sum of:
    0.0024378353 = product of:
      0.0048756707 = sum of:
        0.0048756707 = weight(_text_:s in 430) [ClassicSimilarity], result of:
          0.0048756707 = score(doc=430,freq=4.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = queryNorm
            0.118916616 = fieldWeight in 430, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.0546875 = fieldNorm(doc=430)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Interacting with computers. 10(1998) no.3, S.237-248
  7. Maylein, L.; Langenstein, A.: Neues vom Relevanz-Ranking im HEIDI-Katalog der Universitätsbibliothek Heidelberg : Perspektiven für bibliothekarische Dienstleistungen (2013) 0.00 
    9.850342E-4 = product of:
  0.0019700683 = sum of:
    0.0019700683 = product of:
      0.0039401366 = sum of:
        0.0039401366 = weight(_text_:s in 775) [ClassicSimilarity], result of:
          0.0039401366 = score(doc=775,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    B.I.T.online. 16(2013) H.3, S.190-200
  8. Oberhauser, O.; Labner, J.: Relevance Ranking in Online-Katalogen : Informationsstand und Perspektiven (2003) 0.00 
    8.619048E-4 = product of:
  0.0017238096 = sum of:
    0.0017238096 = product of:
      0.0034476193 = sum of:
        0.0034476193 = weight(_text_:s in 2188) [ClassicSimilarity], result of:
          0.0034476193 = score(doc=2188,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Mitteilungen der Vereinigung Österreichischer Bibliothekarinnen und Bibliothekare. 56(2003) H.3/4, S.49-63
  9. Hora, M.: Methoden für das Ranking in Discovery-Systemen (2018) 0.00 
    8.619048E-4 = product of:
  0.0017238096 = sum of:
    0.0017238096 = product of:
      0.0034476193 = sum of:
        0.0034476193 = weight(_text_:s in 4968) [ClassicSimilarity], result of:
          0.0034476193 = score(doc=4968,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Perspektive Bibliothek. 7(2018) H.2, S.2-23
  10. Oberhauser, O.: Relevance Ranking in den Online-Katalogen der "nächsten Generation" (2010) 0.00 
    7.387756E-4 = product of:
  0.0014775512 = sum of:
    0.0014775512 = product of:
      0.0029551024 = sum of:
        0.0029551024 = weight(_text_:s in 4308) [ClassicSimilarity], result of:
          0.0029551024 = score(doc=4308,freq=2.0), product of:
            0.04100075 = queryWeight, product of:
              1.0872376 = idf(docFreq=40523, maxDocs=44218)
              0.03771094 = 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)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Source
    Mitteilungen der Vereinigung Österreichischer Bibliothekarinnen und Bibliothekare. 63(2010) H.1/2, S.25-37

Authors

Years

Languages

Themes