Search (7 results, page 1 of 1)

  • × author_ss:"Fuhr, N."
  • × theme_ss:"Retrievalalgorithmen"
  1. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.07
    0.066710874 = product of:
      0.13342175 = sum of:
        0.13342175 = sum of:
          0.03735773 = weight(_text_:h in 58) [ClassicSimilarity], result of:
            0.03735773 = score(doc=58,freq=2.0), product of:
              0.113413334 = queryWeight, product of:
                2.4844491 = idf(docFreq=10020, maxDocs=44218)
                0.045649286 = queryNorm
              0.32939452 = fieldWeight in 58, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4844491 = idf(docFreq=10020, maxDocs=44218)
                0.09375 = fieldNorm(doc=58)
          0.021845847 = weight(_text_:d in 58) [ClassicSimilarity], result of:
            0.021845847 = score(doc=58,freq=2.0), product of:
              0.0867278 = queryWeight, product of:
                1.899872 = idf(docFreq=17979, maxDocs=44218)
                0.045649286 = queryNorm
              0.2518898 = fieldWeight in 58, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                1.899872 = idf(docFreq=17979, maxDocs=44218)
                0.09375 = fieldNorm(doc=58)
          0.07421818 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
            0.07421818 = score(doc=58,freq=2.0), product of:
              0.15985602 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045649286 = queryNorm
              0.46428138 = fieldWeight in 58, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.09375 = fieldNorm(doc=58)
      0.5 = coord(1/2)
    
    Date
    14. 6.2015 22:12:44
    Language
    d
    Source
    Deutscher Dokumentartag 1985, Nürnberg, 1.-4.10.1985: Fachinformation: Methodik - Management - Markt; neue Entwicklungen, Berufe, Produkte. Bearb.: H. Strohl-Goebel
  2. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.03
    0.032021344 = product of:
      0.06404269 = sum of:
        0.06404269 = product of:
          0.09606402 = sum of:
            0.021845847 = weight(_text_:d in 2051) [ClassicSimilarity], result of:
              0.021845847 = score(doc=2051,freq=2.0), product of:
                0.0867278 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045649286 = queryNorm
                0.2518898 = fieldWeight in 2051, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2051)
            0.07421818 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
              0.07421818 = score(doc=2051,freq=2.0), product of:
                0.15985602 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045649286 = queryNorm
                0.46428138 = fieldWeight in 2051, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2051)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    14. 6.2015 22:12:56
    Language
    d
  3. Klas, C.-P.; Fuhr, N.; Schaefer, A.: Evaluating strategic support for information access in the DAFFODIL system (2004) 0.01
    0.006184848 = product of:
      0.012369696 = sum of:
        0.012369696 = product of:
          0.03710909 = sum of:
            0.03710909 = weight(_text_:22 in 2419) [ClassicSimilarity], result of:
              0.03710909 = score(doc=2419,freq=2.0), product of:
                0.15985602 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045649286 = queryNorm
                0.23214069 = fieldWeight in 2419, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2419)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    16.11.2008 16:22:48
  4. Fuhr, N.: Modelle im Information Retrieval (2013) 0.00
    0.00429093 = product of:
      0.00858186 = sum of:
        0.00858186 = product of:
          0.02574558 = sum of:
            0.02574558 = weight(_text_:d in 724) [ClassicSimilarity], result of:
              0.02574558 = score(doc=724,freq=4.0), product of:
                0.0867278 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045649286 = queryNorm
                0.296855 = fieldWeight in 724, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.078125 = fieldNorm(doc=724)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    d
    Source
    Grundlagen der praktischen Information und Dokumentation. Handbuch zur Einführung in die Informationswissenschaft und -praxis. 6., völlig neu gefaßte Ausgabe. Hrsg. von R. Kuhlen, W. Semar u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried
  5. Fuhr, N.: Zur Überwindung der Diskrepanz zwischen Retrievalforschung und -praxis (1990) 0.00
    0.0024273165 = product of:
      0.004854633 = sum of:
        0.004854633 = product of:
          0.014563899 = sum of:
            0.014563899 = weight(_text_:d in 6625) [ClassicSimilarity], result of:
              0.014563899 = score(doc=6625,freq=2.0), product of:
                0.0867278 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045649286 = queryNorm
                0.16792654 = fieldWeight in 6625, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.0625 = fieldNorm(doc=6625)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    d
  6. Fuhr, N.: Theorie des Information Retrieval I : Modelle (2004) 0.00
    0.002145465 = product of:
      0.00429093 = sum of:
        0.00429093 = product of:
          0.01287279 = sum of:
            0.01287279 = weight(_text_:d in 2912) [ClassicSimilarity], result of:
              0.01287279 = score(doc=2912,freq=4.0), product of:
                0.0867278 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045649286 = queryNorm
                0.1484275 = fieldWeight in 2912, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2912)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    d
    Source
    Grundlagen der praktischen Information und Dokumentation. 5., völlig neu gefaßte Ausgabe. 2 Bde. Hrsg. von R. Kuhlen, Th. Seeger u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried. Bd.1: Handbuch zur Einführung in die Informationswissenschaft und -praxis
  7. Fuhr, N.: Modelle im Information Retrieval (2023) 0.00
    0.0015170728 = product of:
      0.0030341456 = sum of:
        0.0030341456 = product of:
          0.009102437 = sum of:
            0.009102437 = weight(_text_:d in 800) [ClassicSimilarity], result of:
              0.009102437 = score(doc=800,freq=2.0), product of:
                0.0867278 = queryWeight, product of:
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.045649286 = queryNorm
                0.104954086 = fieldWeight in 800, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.899872 = idf(docFreq=17979, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=800)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Language
    d