Document (#5482)

Author
Harter, S.P.
Title
¬A probabilistic approach to keyword indexing
Source
Journal of the American Society for Information Science. 26(1975), S.197-206
Year
1975

Similar documents (author)

  1. Harter, S.P.: Search term combinations and retrieval overlap : a proposed methodology and case study (1990) 5.51
    5.5070662 = sum of:
      5.5070662 = weight(author_txt:harter in 339) [ClassicSimilarity], result of:
        5.5070662 = fieldWeight in 339, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.811306 = idf(docFreq=16, maxDocs=41962)
          0.625 = fieldNorm(doc=339)
    
  2. Harter, S.P.: Detrimental effects of searching with precoordinated terms (1988) 5.51
    5.5070662 = sum of:
      5.5070662 = weight(author_txt:harter in 366) [ClassicSimilarity], result of:
        5.5070662 = fieldWeight in 366, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.811306 = idf(docFreq=16, maxDocs=41962)
          0.625 = fieldNorm(doc=366)
    
  3. Harter, S.P.: Psychological relevance and information science (1992) 5.51
    5.5070662 = sum of:
      5.5070662 = weight(author_txt:harter in 5355) [ClassicSimilarity], result of:
        5.5070662 = fieldWeight in 5355, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.811306 = idf(docFreq=16, maxDocs=41962)
          0.625 = fieldNorm(doc=5355)
    
  4. Harter, S.P.: ¬The Cranfield II relevance assessments : a critical evaluation (1971) 5.51
    5.5070662 = sum of:
      5.5070662 = weight(author_txt:harter in 5364) [ClassicSimilarity], result of:
        5.5070662 = fieldWeight in 5364, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.811306 = idf(docFreq=16, maxDocs=41962)
          0.625 = fieldNorm(doc=5364)
    
  5. Harter, S.: On-line encyclopedias (1985) 5.51
    5.5070662 = sum of:
      5.5070662 = weight(author_txt:harter in 6193) [ClassicSimilarity], result of:
        5.5070662 = fieldWeight in 6193, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.811306 = idf(docFreq=16, maxDocs=41962)
          0.625 = fieldNorm(doc=6193)
    

Similar documents (content)

  1. Lioma, C.; Ounis, I.: ¬A syntactically-based query reformulation technique for information retrieval (2008) 0.84
    0.84418726 = sum of:
      0.84418726 = sum of:
        0.047472354 = weight(abstract_txt:approach in 4032) [ClassicSimilarity], result of:
          0.047472354 = score(doc=4032,freq=1.0), product of:
            0.22842163 = queryWeight, product of:
              3.800279 = idf(docFreq=2550, maxDocs=41962)
              0.060106542 = queryNorm
            0.20782775 = fieldWeight in 4032, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              3.800279 = idf(docFreq=2550, maxDocs=41962)
              0.0546875 = fieldNorm(doc=4032)
        0.1408257 = weight(abstract_txt:indexing in 4032) [ClassicSimilarity], result of:
          0.1408257 = score(doc=4032,freq=4.0), product of:
            0.29708314 = queryWeight, product of:
              1.1404346 = boost
              4.3339696 = idf(docFreq=1495, maxDocs=41962)
              0.060106542 = queryNorm
            0.47402793 = fieldWeight in 4032, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              4.3339696 = idf(docFreq=1495, maxDocs=41962)
              0.0546875 = fieldNorm(doc=4032)
        0.19117004 = weight(abstract_txt:keyword in 4032) [ClassicSimilarity], result of:
          0.19117004 = score(doc=4032,freq=1.0), product of:
            0.5781714 = queryWeight, product of:
              1.5909616 = boost
              6.0460978 = idf(docFreq=269, maxDocs=41962)
              0.060106542 = queryNorm
            0.33064598 = fieldWeight in 4032, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.0460978 = idf(docFreq=269, maxDocs=41962)
              0.0546875 = fieldNorm(doc=4032)
        0.46471915 = weight(abstract_txt:probabilistic in 4032) [ClassicSimilarity], result of:
          0.46471915 = score(doc=4032,freq=3.0), product of:
            0.7247641 = queryWeight, product of:
              1.7812699 = boost
              6.7693224 = idf(docFreq=130, maxDocs=41962)
              0.060106542 = queryNorm
            0.64120054 = fieldWeight in 4032, product of:
              1.7320508 = tf(freq=3.0), with freq of:
                3.0 = termFreq=3.0
              6.7693224 = idf(docFreq=130, maxDocs=41962)
              0.0546875 = fieldNorm(doc=4032)
    
  2. Richardson, J.: Pointing the index finger (1994) 0.81
    0.8131459 = sum of:
      0.8131459 = product of:
        1.0841945 = sum of:
          0.1356353 = weight(abstract_txt:approach in 7463) [ClassicSimilarity], result of:
            0.1356353 = score(doc=7463,freq=1.0), product of:
              0.22842163 = queryWeight, product of:
                3.800279 = idf(docFreq=2550, maxDocs=41962)
                0.060106542 = queryNorm
              0.5937936 = fieldWeight in 7463, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.800279 = idf(docFreq=2550, maxDocs=41962)
                0.15625 = fieldNorm(doc=7463)
          0.40235916 = weight(abstract_txt:indexing in 7463) [ClassicSimilarity], result of:
            0.40235916 = score(doc=7463,freq=4.0), product of:
              0.29708314 = queryWeight, product of:
                1.1404346 = boost
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.060106542 = queryNorm
              1.3543655 = fieldWeight in 7463, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.15625 = fieldNorm(doc=7463)
          0.5462001 = weight(abstract_txt:keyword in 7463) [ClassicSimilarity], result of:
            0.5462001 = score(doc=7463,freq=1.0), product of:
              0.5781714 = queryWeight, product of:
                1.5909616 = boost
                6.0460978 = idf(docFreq=269, maxDocs=41962)
                0.060106542 = queryNorm
              0.94470274 = fieldWeight in 7463, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0460978 = idf(docFreq=269, maxDocs=41962)
                0.15625 = fieldNorm(doc=7463)
        0.75 = coord(3/4)
    
  3. Thompson, P.: Looking back: on relevance, probabilistic indexing and information retrieval (2008) 0.64
    0.63942015 = sum of:
      0.63942015 = product of:
        0.85256016 = sum of:
          0.08138118 = weight(abstract_txt:approach in 4075) [ClassicSimilarity], result of:
            0.08138118 = score(doc=4075,freq=1.0), product of:
              0.22842163 = queryWeight, product of:
                3.800279 = idf(docFreq=2550, maxDocs=41962)
                0.060106542 = queryNorm
              0.35627615 = fieldWeight in 4075, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.800279 = idf(docFreq=2550, maxDocs=41962)
                0.09375 = fieldNorm(doc=4075)
          0.12070775 = weight(abstract_txt:indexing in 4075) [ClassicSimilarity], result of:
            0.12070775 = score(doc=4075,freq=1.0), product of:
              0.29708314 = queryWeight, product of:
                1.1404346 = boost
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.060106542 = queryNorm
              0.40630966 = fieldWeight in 4075, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.09375 = fieldNorm(doc=4075)
          0.65047127 = weight(abstract_txt:probabilistic in 4075) [ClassicSimilarity], result of:
            0.65047127 = score(doc=4075,freq=2.0), product of:
              0.7247641 = queryWeight, product of:
                1.7812699 = boost
                6.7693224 = idf(docFreq=130, maxDocs=41962)
                0.060106542 = queryNorm
              0.8974938 = fieldWeight in 4075, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.7693224 = idf(docFreq=130, maxDocs=41962)
                0.09375 = fieldNorm(doc=4075)
        0.75 = coord(3/4)
    
  4. Williams, R.V.: Hans Peter Luhn and Herbert M. Ohlman : their roles in the origins of keyword-in-context/permutation automatic indexing (2010) 0.58
    0.57980776 = sum of:
      0.57980776 = product of:
        0.773077 = sum of:
          0.10850824 = weight(abstract_txt:approach in 441) [ClassicSimilarity], result of:
            0.10850824 = score(doc=441,freq=1.0), product of:
              0.22842163 = queryWeight, product of:
                3.800279 = idf(docFreq=2550, maxDocs=41962)
                0.060106542 = queryNorm
              0.47503486 = fieldWeight in 441, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.800279 = idf(docFreq=2550, maxDocs=41962)
                0.125 = fieldNorm(doc=441)
          0.22760871 = weight(abstract_txt:indexing in 441) [ClassicSimilarity], result of:
            0.22760871 = score(doc=441,freq=2.0), product of:
              0.29708314 = queryWeight, product of:
                1.1404346 = boost
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.060106542 = queryNorm
              0.7661448 = fieldWeight in 441, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.125 = fieldNorm(doc=441)
          0.43696007 = weight(abstract_txt:keyword in 441) [ClassicSimilarity], result of:
            0.43696007 = score(doc=441,freq=1.0), product of:
              0.5781714 = queryWeight, product of:
                1.5909616 = boost
                6.0460978 = idf(docFreq=269, maxDocs=41962)
                0.060106542 = queryNorm
              0.7557622 = fieldWeight in 441, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0460978 = idf(docFreq=269, maxDocs=41962)
                0.125 = fieldNorm(doc=441)
        0.75 = coord(3/4)
    
  5. Chen, H.: Machine learning for information retrieval : neural networks, symbolic learning, and genetic algorithms (1994) 0.57
    0.5677378 = sum of:
      0.5677378 = product of:
        0.75698376 = sum of:
          0.10058979 = weight(abstract_txt:indexing in 4071) [ClassicSimilarity], result of:
            0.10058979 = score(doc=4071,freq=1.0), product of:
              0.29708314 = queryWeight, product of:
                1.1404346 = boost
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.060106542 = queryNorm
              0.33859137 = fieldWeight in 4071, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3339696 = idf(docFreq=1495, maxDocs=41962)
                0.078125 = fieldNorm(doc=4071)
          0.27310005 = weight(abstract_txt:keyword in 4071) [ClassicSimilarity], result of:
            0.27310005 = score(doc=4071,freq=1.0), product of:
              0.5781714 = queryWeight, product of:
                1.5909616 = boost
                6.0460978 = idf(docFreq=269, maxDocs=41962)
                0.060106542 = queryNorm
              0.47235137 = fieldWeight in 4071, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0460978 = idf(docFreq=269, maxDocs=41962)
                0.078125 = fieldNorm(doc=4071)
          0.3832939 = weight(abstract_txt:probabilistic in 4071) [ClassicSimilarity], result of:
            0.3832939 = score(doc=4071,freq=1.0), product of:
              0.7247641 = queryWeight, product of:
                1.7812699 = boost
                6.7693224 = idf(docFreq=130, maxDocs=41962)
                0.060106542 = queryNorm
              0.5288533 = fieldWeight in 4071, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.7693224 = idf(docFreq=130, maxDocs=41962)
                0.078125 = fieldNorm(doc=4071)
        0.75 = coord(3/4)