Search (4 results, page 1 of 1)

  • × author_ss:"Rijsbergen, C.J. van"
  1. Jose, J.M.; Joho, H.; Rijsbergen, C.J. van: Adaptive information retrieval : introduction to the special topic issue of information processing and management (2008) 0.03
    0.03384261 = product of:
      0.101527825 = sum of:
        0.101527825 = product of:
          0.20305565 = sum of:
            0.20305565 = weight(_text_:j.m in 6243) [ClassicSimilarity], result of:
              0.20305565 = score(doc=6243,freq=2.0), product of:
                0.25143987 = queryWeight, product of:
                  6.091085 = idf(docFreq=271, maxDocs=44218)
                  0.041279983 = queryNorm
                0.8075714 = fieldWeight in 6243, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.091085 = idf(docFreq=271, maxDocs=44218)
                  0.09375 = fieldNorm(doc=6243)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  2. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.01
    0.013050025 = product of:
      0.039150074 = sum of:
        0.039150074 = product of:
          0.07830015 = sum of:
            0.07830015 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
              0.07830015 = score(doc=2134,freq=2.0), product of:
                0.14455546 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041279983 = 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)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    30. 3.2001 13:32:22
  3. Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973) 0.01
    0.007457157 = product of:
      0.02237147 = sum of:
        0.02237147 = product of:
          0.04474294 = sum of:
            0.04474294 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
              0.04474294 = score(doc=5002,freq=2.0), product of:
                0.14455546 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041279983 = queryNorm
                0.30952093 = fieldWeight in 5002, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5002)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    19. 3.1996 11:22:12
  4. Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996) 0.01
    0.0055928677 = product of:
      0.016778603 = sum of:
        0.016778603 = product of:
          0.033557206 = sum of:
            0.033557206 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
              0.033557206 = score(doc=6967,freq=2.0), product of:
                0.14455546 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041279983 = 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)
      0.33333334 = 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