Document (#5171)

Author
Jardine, N.
Rijsbergen, C.J. van
Title
¬The use of hierarchic clustering in information retrieval
Source
Information storage and retrieval. 7(1971), S.217-240
Year
1971
Theme
Automatisches Indexieren

Similar documents (author)

  1. Jardine, L.: Francis Bacon: discovery and the art of discourse (1974) 2.51
    2.5127456 = sum of:
      2.5127456 = product of:
        5.025491 = sum of:
          5.025491 = weight(author_txt:jardine in 2598) [ClassicSimilarity], result of:
            5.025491 = score(doc=2598,freq=1.0), product of:
              0.81178015 = queryWeight, product of:
                1.1790344 = boost
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.069510736 = queryNorm
              6.190705 = fieldWeight in 2598, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.625 = fieldNorm(doc=2598)
        0.5 = coord(1/2)
    
  2. Ruthven, I.; Buchanan, S.; Jardine, C.: Relationships, environment, health and development : the information needs expressed online by young first-time mothers (2018) 1.51
    1.5076473 = sum of:
      1.5076473 = product of:
        3.0152946 = sum of:
          3.0152946 = weight(author_txt:jardine in 4369) [ClassicSimilarity], result of:
            3.0152946 = score(doc=4369,freq=1.0), product of:
              0.81178015 = queryWeight, product of:
                1.1790344 = boost
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.069510736 = queryNorm
              3.7144227 = fieldWeight in 4369, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.375 = fieldNorm(doc=4369)
        0.5 = coord(1/2)
    
  3. Ruthven, I.; Buchanan, S.; Jardine, C.: Isolated, overwhelmed, and worried : young first-time mothers asking for information and support online (2018) 1.51
    1.5076473 = sum of:
      1.5076473 = product of:
        3.0152946 = sum of:
          3.0152946 = weight(author_txt:jardine in 4455) [ClassicSimilarity], result of:
            3.0152946 = score(doc=4455,freq=1.0), product of:
              0.81178015 = queryWeight, product of:
                1.1790344 = boost
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.069510736 = queryNorm
              3.7144227 = fieldWeight in 4455, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.375 = fieldNorm(doc=4455)
        0.5 = coord(1/2)
    
  4. Buchanan, S.; Jardine, C.; Ruthven, I.: Information behaviors in disadvantaged and dependent circumstances and the role of information intermediaries (2019) 1.51
    1.5076473 = sum of:
      1.5076473 = product of:
        3.0152946 = sum of:
          3.0152946 = weight(author_txt:jardine in 4682) [ClassicSimilarity], result of:
            3.0152946 = score(doc=4682,freq=1.0), product of:
              0.81178015 = queryWeight, product of:
                1.1790344 = boost
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.069510736 = queryNorm
              3.7144227 = fieldWeight in 4682, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.905128 = idf(docFreq=5, maxDocs=44218)
                0.375 = fieldNorm(doc=4682)
        0.5 = coord(1/2)
    
  5. Van Rijsbergen, C.J. -> Rijsbergen, C.J. van: 1.30
    1.3008744 = sum of:
      1.3008744 = product of:
        2.6017487 = sum of:
          2.6017487 = weight(author_txt:rijsbergen in 4130) [ClassicSimilarity], result of:
            2.6017487 = score(doc=4130,freq=2.0), product of:
              0.5839632 = queryWeight, product of:
                8.401051 = idf(docFreq=26, maxDocs=44218)
                0.069510736 = queryNorm
              4.45533 = fieldWeight in 4130, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.401051 = idf(docFreq=26, maxDocs=44218)
                0.375 = fieldNorm(doc=4130)
        0.5 = coord(1/2)
    

Similar documents (content)

  1. Tombros, A.; Villa, R.; Rijsbergen, C.J. Van: ¬The effectiveness of query-specific hierarchic clustering in information retrieval (2002) 3.30
    3.29637 = sum of:
      3.29637 = sum of:
        0.010960596 = weight(abstract_txt:information in 2586) [ClassicSimilarity], result of:
          0.010960596 = score(doc=2586,freq=1.0), product of:
            0.05795074 = queryWeight, product of:
              2.4209464 = idf(docFreq=10677, maxDocs=44218)
              0.023937225 = queryNorm
            0.18913643 = fieldWeight in 2586, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              2.4209464 = idf(docFreq=10677, maxDocs=44218)
              0.078125 = fieldNorm(doc=2586)
        0.045846935 = weight(abstract_txt:retrieval in 2586) [ClassicSimilarity], result of:
          0.045846935 = score(doc=2586,freq=2.0), product of:
            0.11940791 = queryWeight, product of:
              1.4354466 = boost
              3.4751394 = idf(docFreq=3720, maxDocs=44218)
              0.023937225 = queryNorm
            0.38395226 = fieldWeight in 2586, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4751394 = idf(docFreq=3720, maxDocs=44218)
              0.078125 = fieldNorm(doc=2586)
        0.49092233 = weight(abstract_txt:clustering in 2586) [ClassicSimilarity], result of:
          0.49092233 = score(doc=2586,freq=7.0), product of:
            0.38207215 = queryWeight, product of:
              2.5676937 = boost
              6.2162485 = idf(docFreq=239, maxDocs=44218)
              0.023937225 = queryNorm
            1.2848943 = fieldWeight in 2586, product of:
              2.6457512 = tf(freq=7.0), with freq of:
                7.0 = termFreq=7.0
              6.2162485 = idf(docFreq=239, maxDocs=44218)
              0.078125 = fieldNorm(doc=2586)
        2.7486403 = weight(title_txt:hierarchic in 2586) [ClassicSimilarity], result of:
          2.7486403 = score(doc=2586,freq=1.0), product of:
            0.91455144 = queryWeight, product of:
              3.9725976 = boost
              9.617446 = idf(docFreq=7, maxDocs=44218)
              0.023937225 = queryNorm
            3.005452 = fieldWeight in 2586, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              9.617446 = idf(docFreq=7, maxDocs=44218)
              0.3125 = fieldNorm(doc=2586)
    
  2. Kirriemuir, J.W.; Willet, P.: Identification of duplicate and near-duplicate full-text records in database search-outputs using hierarchic cluster analysis (1995) 1.75
    1.7462325 = sum of:
      1.7462325 = product of:
        2.32831 = sum of:
          0.018600749 = weight(abstract_txt:information in 2429) [ClassicSimilarity], result of:
            0.018600749 = score(doc=2429,freq=2.0), product of:
              0.05795074 = queryWeight, product of:
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.023937225 = queryNorm
              0.32097518 = fieldWeight in 2429, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.09375 = fieldNorm(doc=2429)
          0.38566095 = weight(abstract_txt:clustering in 2429) [ClassicSimilarity], result of:
            0.38566095 = score(doc=2429,freq=3.0), product of:
              0.38207215 = queryWeight, product of:
                2.5676937 = boost
                6.2162485 = idf(docFreq=239, maxDocs=44218)
                0.023937225 = queryNorm
              1.009393 = fieldWeight in 2429, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.2162485 = idf(docFreq=239, maxDocs=44218)
                0.09375 = fieldNorm(doc=2429)
          1.9240482 = weight(title_txt:hierarchic in 2429) [ClassicSimilarity], result of:
            1.9240482 = score(doc=2429,freq=1.0), product of:
              0.91455144 = queryWeight, product of:
                3.9725976 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.023937225 = queryNorm
              2.1038163 = fieldWeight in 2429, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.21875 = fieldNorm(doc=2429)
        0.75 = coord(3/4)
    
  3. Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970) 0.96
    0.9620241 = sum of:
      0.9620241 = product of:
        3.8480964 = sum of:
          3.8480964 = weight(title_txt:hierarchic in 3300) [ClassicSimilarity], result of:
            3.8480964 = score(doc=3300,freq=1.0), product of:
              0.91455144 = queryWeight, product of:
                3.9725976 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.023937225 = queryNorm
              4.2076325 = fieldWeight in 3300, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.4375 = fieldNorm(doc=3300)
        0.25 = coord(1/4)
    
  4. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.69
    0.6871601 = sum of:
      0.6871601 = product of:
        2.7486403 = sum of:
          2.7486403 = weight(title_txt:hierarchic in 402) [ClassicSimilarity], result of:
            2.7486403 = score(doc=402,freq=1.0), product of:
              0.91455144 = queryWeight, product of:
                3.9725976 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.023937225 = queryNorm
              3.005452 = fieldWeight in 402, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.3125 = fieldNorm(doc=402)
        0.25 = coord(1/4)
    
  5. Griffiths, A.; Robinson, L.A.; Willett, P.: Hierarchic agglomerative clustering methods for automatic document classification (1984) 0.69
    0.6871601 = sum of:
      0.6871601 = product of:
        2.7486403 = sum of:
          2.7486403 = weight(title_txt:hierarchic in 2414) [ClassicSimilarity], result of:
            2.7486403 = score(doc=2414,freq=1.0), product of:
              0.91455144 = queryWeight, product of:
                3.9725976 = boost
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.023937225 = queryNorm
              3.005452 = fieldWeight in 2414, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.617446 = idf(docFreq=7, maxDocs=44218)
                0.3125 = fieldNorm(doc=2414)
        0.25 = coord(1/4)