Search (2 results, page 1 of 1)

  • × author_ss:"Smeaton, A.F."
  • × theme_ss:"Retrievalalgorithmen"
  1. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.06
    0.056875125 = product of:
      0.17062537 = sum of:
        0.17062537 = product of:
          0.25593805 = sum of:
            0.14429171 = weight(_text_:retrieval in 2134) [ClassicSimilarity], result of:
              0.14429171 = score(doc=2134,freq=6.0), product of:
                0.17804694 = queryWeight, product of:
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.05886015 = queryNorm
                0.8104139 = fieldWeight in 2134, product of:
                  2.4494898 = tf(freq=6.0), with freq of:
                    6.0 = termFreq=6.0
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2134)
            0.111646324 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
              0.111646324 = score(doc=2134,freq=2.0), product of:
                0.20611821 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.05886015 = 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)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    Date
    30. 3.2001 13:32:22
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  2. Kelledy, F.; Smeaton, A.F.: Signature files and beyond (1996) 0.02
    0.021853335 = product of:
      0.065560006 = sum of:
        0.065560006 = product of:
          0.098340005 = sum of:
            0.050491583 = weight(_text_:retrieval in 6973) [ClassicSimilarity], result of:
              0.050491583 = score(doc=6973,freq=4.0), product of:
                0.17804694 = queryWeight, product of:
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.05886015 = queryNorm
                0.2835858 = fieldWeight in 6973, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.046875 = fieldNorm(doc=6973)
            0.047848422 = weight(_text_:22 in 6973) [ClassicSimilarity], result of:
              0.047848422 = score(doc=6973,freq=2.0), product of:
                0.20611821 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.05886015 = queryNorm
                0.23214069 = fieldWeight in 6973, 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=6973)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    Source
    Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon