Search (5 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × year_i:[1980 TO 1990}
  1. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.03 
    0.032963973 = product of:
  0.065927945 = sum of:
    0.065927945 = product of:
      0.098891914 = sum of:
        0.03311089 = weight(_text_:h in 58) [ClassicSimilarity], result of:
          0.03311089 = score(doc=58,freq=2.0), product of:
            0.10052046 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.04045986 = 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)
        0.06578103 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.06578103 = score(doc=58,freq=2.0), product of:
            0.14168353 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04045986 = 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)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:44
    Source
    Deutscher Dokumentartag 1985, Nürnberg, 1.-4.10.1985: Fachinformation: Methodik - Management - Markt; neue Entwicklungen, Berufe, Produkte. Bearb.: H. Strohl-Goebel
  2. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.01 
    0.0146180075 = product of:
  0.029236015 = sum of:
    0.029236015 = product of:
      0.08770804 = sum of:
        0.08770804 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
          0.08770804 = score(doc=402,freq=2.0), product of:
            0.14168353 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04045986 = queryNorm
            0.61904186 = fieldWeight in 402, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=402)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  3. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.01 
    0.012790756 = product of:
  0.025581513 = sum of:
    0.025581513 = product of:
      0.076744534 = sum of:
        0.076744534 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
          0.076744534 = score(doc=2134,freq=2.0), product of:
            0.14168353 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04045986 = queryNorm
            0.5416616 = fieldWeight in 2134, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.109375 = fieldNorm(doc=2134)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Date
    30. 3.2001 13:32:22
  4. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.01 
    0.010963505 = product of:
  0.02192701 = sum of:
    0.02192701 = product of:
      0.06578103 = sum of:
        0.06578103 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.06578103 = score(doc=2051,freq=2.0), product of:
            0.14168353 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04045986 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:56
  5. Wu, H.; Salton, G.: ¬The estimation of term relevance weights using relevance feedback (1981) 0.01 
    0.0073579755 = product of:
  0.014715951 = sum of:
    0.014715951 = product of:
      0.044147853 = sum of:
        0.044147853 = weight(_text_:h in 4728) [ClassicSimilarity], result of:
          0.044147853 = score(doc=4728,freq=2.0), product of:
            0.10052046 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.04045986 = queryNorm
            0.4391927 = fieldWeight in 4728, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.125 = fieldNorm(doc=4728)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Authors

Languages

Themes