Search (8 results, page 1 of 1)

  • × author_ss:"Rijsbergen, C.J. van"
  1. Rijsbergen, C.J. van: ¬A non-classical logic for information retrieval (1986) 0.03
    0.032461554 = product of:
      0.097384654 = sum of:
        0.097384654 = product of:
          0.14607698 = sum of:
            0.07411205 = weight(_text_:k in 1933) [ClassicSimilarity], result of:
              0.07411205 = score(doc=1933,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.47329018 = fieldWeight in 1933, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1933)
            0.07196492 = weight(_text_:29 in 1933) [ClassicSimilarity], result of:
              0.07196492 = score(doc=1933,freq=2.0), product of:
                0.15430406 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0438652 = queryNorm
                0.46638384 = fieldWeight in 1933, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1933)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann. 1997. S.268-272.
    Source
    Computer journal. 29(1986), S.481-485
  2. Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973) 0.02
    0.021227032 = product of:
      0.063681096 = sum of:
        0.063681096 = product of:
          0.095521644 = sum of:
            0.047976613 = weight(_text_:29 in 5002) [ClassicSimilarity], result of:
              0.047976613 = score(doc=5002,freq=2.0), product of:
                0.15430406 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0438652 = 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)
            0.04754503 = weight(_text_:22 in 5002) [ClassicSimilarity], result of:
              0.04754503 = score(doc=5002,freq=2.0), product of:
                0.15360846 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0438652 = 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)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    Date
    19. 3.1996 11:22:12
    Source
    Journal of documentation. 29(1973) no.3, S.251-257
  3. Rijsbergen, C.J. van: Retrieval effectiveness (1981) 0.01
    0.010979563 = product of:
      0.03293869 = sum of:
        0.03293869 = product of:
          0.09881607 = sum of:
            0.09881607 = weight(_text_:k in 3147) [ClassicSimilarity], result of:
              0.09881607 = score(doc=3147,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.63105357 = fieldWeight in 3147, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.125 = fieldNorm(doc=3147)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
    Source
    Information retrieval experiment. Ed.: K. Sparck Jones
  4. Dunlop, M.D.; Rijsbergen, C.J. van: Hypermedia and free text retrieval (1993) 0.01
    0.010661471 = product of:
      0.03198441 = sum of:
        0.03198441 = product of:
          0.095953226 = sum of:
            0.095953226 = weight(_text_:29 in 4709) [ClassicSimilarity], result of:
              0.095953226 = score(doc=4709,freq=2.0), product of:
                0.15430406 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0438652 = queryNorm
                0.6218451 = fieldWeight in 4709, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.125 = fieldNorm(doc=4709)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 29(1993) no.3, S.287-298
  5. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.01
    0.0092448685 = product of:
      0.027734604 = sum of:
        0.027734604 = product of:
          0.08320381 = sum of:
            0.08320381 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
              0.08320381 = score(doc=2134,freq=2.0), product of:
                0.15360846 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0438652 = 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)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
    Date
    30. 3.2001 13:32:22
  6. 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) 0.01
    0.006862227 = product of:
      0.02058668 = sum of:
        0.02058668 = product of:
          0.06176004 = sum of:
            0.06176004 = weight(_text_:k in 7522) [ClassicSimilarity], result of:
              0.06176004 = score(doc=7522,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.39440846 = fieldWeight in 7522, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7522)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
    Source
    The Fourth Text Retrieval Conference (TREC-4). Ed.: K. Harman
  7. Sparck Jones, K.; Rijsbergen, C.J. van: Progress in documentation : Information retrieval test collection (1976) 0.00
    0.0048035593 = product of:
      0.014410677 = sum of:
        0.014410677 = product of:
          0.04323203 = sum of:
            0.04323203 = weight(_text_:k in 4161) [ClassicSimilarity], result of:
              0.04323203 = score(doc=4161,freq=2.0), product of:
                0.15658903 = queryWeight, product of:
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0438652 = queryNorm
                0.27608594 = fieldWeight in 4161, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.569778 = idf(docFreq=3384, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=4161)
          0.33333334 = coord(1/3)
      0.33333334 = coord(1/3)
    
  8. Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996) 0.00
    0.003962086 = product of:
      0.011886258 = sum of:
        0.011886258 = product of:
          0.035658773 = sum of:
            0.035658773 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
              0.035658773 = score(doc=6967,freq=2.0), product of:
                0.15360846 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0438652 = 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)
          0.33333334 = coord(1/3)
      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