Search (3 results, page 1 of 1)

  • × author_ss:"Rijsbergen, C.J. van"
  • × theme_ss:"Retrievalalgorithmen"
  1. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.01 
    0.007029228 = product of:
  0.07029228 = sum of:
    0.05381998 = weight(_text_:computer in 2134) [ClassicSimilarity], result of:
      0.05381998 = score(doc=2134,freq=2.0), product of:
        0.09520975 = queryWeight, product of:
          3.6545093 = idf(docFreq=3109, maxDocs=44218)
          0.026052676 = queryNorm
        0.56527805 = fieldWeight in 2134, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.6545093 = idf(docFreq=3109, maxDocs=44218)
          0.109375 = fieldNorm(doc=2134)
    0.016472297 = product of:
      0.04941689 = sum of:
        0.04941689 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
          0.04941689 = score(doc=2134,freq=2.0), product of:
            0.09123203 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.026052676 = 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)
  0.1 = coord(2/20)
    Date
    30. 3.2001 13:32:22
    Source
    Computer journal. 26(1983), S.239-246
  2. Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970) 0.00 
    0.0030754276 = product of:
  0.06150855 = sum of:
    0.06150855 = weight(_text_:computer in 3300) [ClassicSimilarity], result of:
      0.06150855 = score(doc=3300,freq=2.0), product of:
        0.09520975 = queryWeight, product of:
          3.6545093 = idf(docFreq=3109, maxDocs=44218)
          0.026052676 = queryNorm
        0.6460321 = fieldWeight in 3300, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.6545093 = idf(docFreq=3109, maxDocs=44218)
          0.125 = fieldNorm(doc=3300)
  0.05 = coord(1/20)
    Source
    Computer journal. 13(1970), S.324-326
  3. Sembok, T.M.T.; Rijsbergen, C.J. van: IMAGING: a relevant feedback retrieval with nearest neighbour clusters (1994) 0.00 
    0.0015377138 = product of:
  0.030754276 = sum of:
    0.030754276 = weight(_text_:computer in 1071) [ClassicSimilarity], result of:
      0.030754276 = score(doc=1071,freq=2.0), product of:
        0.09520975 = queryWeight, product of:
          3.6545093 = idf(docFreq=3109, maxDocs=44218)
          0.026052676 = queryNorm
        0.32301605 = fieldWeight in 1071, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.6545093 = idf(docFreq=3109, maxDocs=44218)
          0.0625 = fieldNorm(doc=1071)
  0.05 = coord(1/20)
    Source
    Information retrieval: new systems and current research. Proceedings of the 15th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Glasgow 1993. Ed.: Ruben Leon

Authors

Years

Themes