Search (1 results, page 1 of 1)

  • × author_ss:"Maron, M.E."
  • × theme_ss:"Retrievalstudien"
  • × year_i:[1980 TO 1990}
  1. Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985) 0.01
    0.010000794 = product of:
      0.07000556 = sum of:
        0.010089659 = weight(_text_:information in 1345) [ClassicSimilarity], result of:
          0.010089659 = score(doc=1345,freq=2.0), product of:
            0.052020688 = queryWeight, product of:
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.029633347 = queryNorm
            0.19395474 = fieldWeight in 1345, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.7554779 = idf(docFreq=20772, maxDocs=44218)
              0.078125 = fieldNorm(doc=1345)
        0.059915897 = weight(_text_:retrieval in 1345) [ClassicSimilarity], result of:
          0.059915897 = score(doc=1345,freq=8.0), product of:
            0.08963835 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.029633347 = queryNorm
            0.6684181 = fieldWeight in 1345, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.078125 = fieldNorm(doc=1345)
      0.14285715 = coord(2/14)
    
    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.