Search (2 results, page 1 of 1)

  • × author_ss:"Crestani, F."
  • × theme_ss:"Retrievalstudien"
  1. Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996) 0.05
    0.054309156 = product of:
      0.10861831 = sum of:
        0.090729855 = weight(_text_:van in 6967) [ClassicSimilarity], result of:
          0.090729855 = score(doc=6967,freq=2.0), product of:
            0.24542865 = queryWeight, product of:
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.044010527 = queryNorm
            0.36967915 = fieldWeight in 6967, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.046875 = fieldNorm(doc=6967)
        0.017888457 = product of:
          0.035776913 = sum of:
            0.035776913 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
              0.035776913 = score(doc=6967,freq=2.0), product of:
                0.15411738 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044010527 = queryNorm
                0.23214069 = fieldWeight in 6967, 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=6967)
          0.5 = coord(1/2)
      0.5 = coord(2/4)
    
    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
  2. Crestani, F.; Ruthven, I.; Sanderson, M.; Rijsbergen, C.J. van: ¬The troubles with using a logical model of IR on a large collection of documents : experimenting retrieval by logical imaging on TREC (1996) 0.04
    0.037804104 = product of:
      0.15121642 = sum of:
        0.15121642 = weight(_text_:van in 7522) [ClassicSimilarity], result of:
          0.15121642 = score(doc=7522,freq=2.0), product of:
            0.24542865 = queryWeight, product of:
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.044010527 = queryNorm
            0.6161319 = fieldWeight in 7522, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.078125 = fieldNorm(doc=7522)
      0.25 = coord(1/4)