Search (3 results, page 1 of 1)

  • × author_ss:"Rijsbergen, C.J. van"
  • × language_ss:"e"
  • × theme_ss:"Retrievalstudien"
  • × type_ss:"a"
  1. Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973) 0.00 
    0.0022313842 = product of:
  0.025660917 = sum of:
    0.012888429 = product of:
      0.025776858 = sum of:
        0.025776858 = weight(_text_:29 in 5002) [ClassicSimilarity], result of:
          0.025776858 = score(doc=5002,freq=2.0), product of:
            0.08290443 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.023567878 = queryNorm
            0.31092256 = fieldWeight in 5002, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.0625 = fieldNorm(doc=5002)
      0.5 = coord(1/2)
    0.012772488 = product of:
      0.025544977 = sum of:
        0.025544977 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
          0.025544977 = score(doc=5002,freq=2.0), product of:
            0.08253069 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.023567878 = 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)
  0.08695652 = coord(2/23)
    Date
    19. 3.1996 11:22:12
    Source
    Journal of documentation. 29(1973) no.3, S.251-257
  2. Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996) 0.00 
    4.1649418E-4 = product of:
  0.009579366 = sum of:
    0.009579366 = product of:
      0.019158732 = sum of:
        0.019158732 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
          0.019158732 = score(doc=6967,freq=2.0), product of:
            0.08253069 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.023567878 = 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)
  0.04347826 = coord(1/23)
    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
  3. Sparck Jones, K.; Rijsbergen, C.J. van: Progress in documentation : Information retrieval test collection (1976) 0.00 
    2.3911135E-4 = product of:
  0.005499561 = sum of:
    0.005499561 = product of:
      0.010999122 = sum of:
        0.010999122 = weight(_text_:1 in 4161) [ClassicSimilarity], result of:
          0.010999122 = score(doc=4161,freq=2.0), product of:
            0.057894554 = queryWeight, product of:
              2.4565027 = idf(docFreq=10304, maxDocs=44218)
              0.023567878 = queryNorm
            0.18998542 = fieldWeight in 4161, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4565027 = idf(docFreq=10304, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4161)
      0.5 = coord(1/2)
  0.04347826 = coord(1/23)
    Source
    Journal of documentation. 32(1976) no.1, S.59-75

Authors

Years