Document (#3301)

Author
Rijsbergen, C.J. van
Title
¬A fast hierarchic clustering algorithm
Source
Computer journal. 13(1970), S.324-326
Year
1970
Theme
Automatisches Indexieren
Retrievalalgorithmen

Similar documents (author)

  1. Van Rijsbergen, C.J. -> Rijsbergen, C.J. van: 4.44
    4.4436398 = sum of:
      4.4436398 = weight(author_txt:rijsbergen in 5199) [ClassicSimilarity], result of:
        4.4436398 = fieldWeight in 5199, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.379008 = idf(docFreq=26, maxDocs=43254)
          0.375 = fieldNorm(doc=5199)
    
  2. Rijsbergen, C.J. van: Foundations of evaluation (1974) 4.19
    4.189504 = sum of:
      4.189504 = weight(author_txt:rijsbergen in 1078) [ClassicSimilarity], result of:
        4.189504 = fieldWeight in 1078, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.379008 = idf(docFreq=26, maxDocs=43254)
          0.5 = fieldNorm(doc=1078)
    
  3. Rijsbergen, C.J. van: Automatic classification in information retrieval (1978) 4.19
    4.189504 = sum of:
      4.189504 = weight(author_txt:rijsbergen in 2412) [ClassicSimilarity], result of:
        4.189504 = fieldWeight in 2412, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.379008 = idf(docFreq=26, maxDocs=43254)
          0.5 = fieldNorm(doc=2412)
    
  4. Rijsbergen, C.J. van: Retrieval effectiveness (1981) 4.19
    4.189504 = sum of:
      4.189504 = weight(author_txt:rijsbergen in 4216) [ClassicSimilarity], result of:
        4.189504 = fieldWeight in 4216, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.379008 = idf(docFreq=26, maxDocs=43254)
          0.5 = fieldNorm(doc=4216)
    
  5. Rijsbergen, C.J. van: ¬A test for the separation of relevant and non-relevant documents in experimental retrieval collections (1973) 4.19
    4.189504 = sum of:
      4.189504 = weight(author_txt:rijsbergen in 6071) [ClassicSimilarity], result of:
        4.189504 = fieldWeight in 6071, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.379008 = idf(docFreq=26, maxDocs=43254)
          0.5 = fieldNorm(doc=6071)
    

Similar documents (content)

  1. Tombros, A.; Villa, R.; Rijsbergen, C.J. Van: ¬The effectiveness of query-specific hierarchic clustering in information retrieval (2002) 1.48
    1.4767865 = sum of:
      1.4767865 = product of:
        2.953573 = sum of:
          0.4531875 = weight(abstract_txt:clustering in 4587) [ClassicSimilarity], result of:
            0.4531875 = score(doc=4587,freq=7.0), product of:
              0.3517885 = queryWeight, product of:
                1.0897743 = boost
                6.232427 = idf(docFreq=230, maxDocs=43254)
                0.051795002 = queryNorm
              1.2882385 = fieldWeight in 4587, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                6.232427 = idf(docFreq=230, maxDocs=43254)
                0.078125 = fieldNorm(doc=4587)
          2.5003855 = weight(title_txt:hierarchic in 4587) [ClassicSimilarity], result of:
            2.5003855 = score(doc=4587,freq=1.0), product of:
              0.83386105 = queryWeight, product of:
                1.6778092 = boost
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.051795002 = queryNorm
              2.9985638 = fieldWeight in 4587, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.3125 = fieldNorm(doc=4587)
        0.5 = coord(2/4)
    
  2. Kirriemuir, J.W.; Willet, P.: Identification of duplicate and near-duplicate full-text records in database search-outputs using hierarchic cluster analysis (1995) 1.05
    1.0531434 = sum of:
      1.0531434 = product of:
        2.1062868 = sum of:
          0.356017 = weight(abstract_txt:clustering in 3498) [ClassicSimilarity], result of:
            0.356017 = score(doc=3498,freq=3.0), product of:
              0.3517885 = queryWeight, product of:
                1.0897743 = boost
                6.232427 = idf(docFreq=230, maxDocs=43254)
                0.051795002 = queryNorm
              1.01202 = fieldWeight in 3498, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.232427 = idf(docFreq=230, maxDocs=43254)
                0.09375 = fieldNorm(doc=3498)
          1.7502698 = weight(title_txt:hierarchic in 3498) [ClassicSimilarity], result of:
            1.7502698 = score(doc=3498,freq=1.0), product of:
              0.83386105 = queryWeight, product of:
                1.6778092 = boost
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.051795002 = queryNorm
              2.0989945 = fieldWeight in 3498, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.21875 = fieldNorm(doc=3498)
        0.5 = coord(2/4)
    
  3. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.63
    0.6250964 = sum of:
      0.6250964 = product of:
        2.5003855 = sum of:
          2.5003855 = weight(title_txt:hierarchic in 402) [ClassicSimilarity], result of:
            2.5003855 = score(doc=402,freq=1.0), product of:
              0.83386105 = queryWeight, product of:
                1.6778092 = boost
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.051795002 = queryNorm
              2.9985638 = fieldWeight in 402, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.3125 = fieldNorm(doc=402)
        0.25 = coord(1/4)
    
  4. Griffiths, A.; Robinson, L.A.; Willett, P.: Hierarchic agglomerative clustering methods for automatic document classification (1984) 0.63
    0.6250964 = sum of:
      0.6250964 = product of:
        2.5003855 = sum of:
          2.5003855 = weight(title_txt:hierarchic in 2414) [ClassicSimilarity], result of:
            2.5003855 = score(doc=2414,freq=1.0), product of:
              0.83386105 = queryWeight, product of:
                1.6778092 = boost
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.051795002 = queryNorm
              2.9985638 = fieldWeight in 2414, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.3125 = fieldNorm(doc=2414)
        0.25 = coord(1/4)
    
  5. Willett, P.: Recent trends in hierarchic document clustering : a critical review (1988) 0.63
    0.6250964 = sum of:
      0.6250964 = product of:
        2.5003855 = sum of:
          2.5003855 = weight(title_txt:hierarchic in 2604) [ClassicSimilarity], result of:
            2.5003855 = score(doc=2604,freq=1.0), product of:
              0.83386105 = queryWeight, product of:
                1.6778092 = boost
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.051795002 = queryNorm
              2.9985638 = fieldWeight in 2604, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.595404 = idf(docFreq=7, maxDocs=43254)
                0.3125 = fieldNorm(doc=2604)
        0.25 = coord(1/4)