Search (3 results, page 1 of 1)

  • × theme_ss:"Retrievalstudien"
  • × theme_ss:"Volltextretrieval"
  1. Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985) 0.01
    0.014561169 = product of:
      0.029122338 = sum of:
        0.029122338 = product of:
          0.058244675 = sum of:
            0.058244675 = weight(_text_:g in 1345) [ClassicSimilarity], result of:
              0.058244675 = score(doc=1345,freq=2.0), product of:
                0.14035623 = queryWeight, product of:
                  3.7559474 = idf(docFreq=2809, maxDocs=44218)
                  0.03736906 = queryNorm
                0.4149775 = fieldWeight in 1345, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.7559474 = idf(docFreq=2809, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1345)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Vgl. auch : Salton, G.: Another look ... Comm. ACM 29(1986) S.S.648-656; Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23: Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. proc. man. 26(1990) S.437-447.
  2. Blair, D.C.: Full text retrieval : Evaluation and implications (1986) 0.01
    0.008736701 = product of:
      0.017473402 = sum of:
        0.017473402 = product of:
          0.034946803 = sum of:
            0.034946803 = weight(_text_:g in 2047) [ClassicSimilarity], result of:
              0.034946803 = score(doc=2047,freq=2.0), product of:
                0.14035623 = queryWeight, product of:
                  3.7559474 = idf(docFreq=2809, maxDocs=44218)
                  0.03736906 = queryNorm
                0.24898648 = fieldWeight in 2047, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.7559474 = idf(docFreq=2809, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2047)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Footnote
    Vgl.: Blair, D.C., M.E. Maron: An evaluation ... Comm. ACM 28(1985) S.280-299; Salton, G.: Another look ... Comm. ACM 29(1986) S.648-656; Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
  3. Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989) 0.01
    0.007594488 = product of:
      0.015188976 = sum of:
        0.015188976 = product of:
          0.030377952 = sum of:
            0.030377952 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
              0.030377952 = score(doc=3564,freq=2.0), product of:
                0.13086009 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03736906 = queryNorm
                0.23214069 = fieldWeight in 3564, 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=3564)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    9. 1.1996 10:22:31