Document (#2267)

Author
Swanson, D.R.
Title
¬The evidence underlying the Cranfield results
Source
Library quarterly. 35(1965), S.1-20
Year
1965
Theme
Indexierungsstudien
Object
Cranfield

Similar documents (author)

  1. Swanson, D.R.: Searching natural language by computer (1960) 5.18
    5.184806 = sum of:
      5.184806 = weight(author_txt:swanson in 403) [ClassicSimilarity], result of:
        5.184806 = fieldWeight in 403, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.29569 = idf(docFreq=29, maxDocs=44218)
          0.625 = fieldNorm(doc=403)
    
  2. Swanson, D.R.: Requirements study for future catalogs (1972) 5.18
    5.184806 = sum of:
      5.184806 = weight(author_txt:swanson in 680) [ClassicSimilarity], result of:
        5.184806 = fieldWeight in 680, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.29569 = idf(docFreq=29, maxDocs=44218)
          0.625 = fieldNorm(doc=680)
    
  3. Swanson, D.R.: Subjective versus objective relevance in bibliographic retrieval systems (1986) 5.18
    5.184806 = sum of:
      5.184806 = weight(author_txt:swanson in 838) [ClassicSimilarity], result of:
        5.184806 = fieldWeight in 838, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.29569 = idf(docFreq=29, maxDocs=44218)
          0.625 = fieldNorm(doc=838)
    
  4. Swanson, D.R.: Information retrieval as a trial-and-error process (1977) 5.18
    5.184806 = sum of:
      5.184806 = weight(author_txt:swanson in 1291) [ClassicSimilarity], result of:
        5.184806 = fieldWeight in 1291, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.29569 = idf(docFreq=29, maxDocs=44218)
          0.625 = fieldNorm(doc=1291)
    
  5. Swanson, D.R.: Some unexplained aspects of the Cranfield tests of indexing performance factors (1971) 5.18
    5.184806 = sum of:
      5.184806 = weight(author_txt:swanson in 2337) [ClassicSimilarity], result of:
        5.184806 = fieldWeight in 2337, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.29569 = idf(docFreq=29, maxDocs=44218)
          0.625 = fieldNorm(doc=2337)
    

Similar documents (content)

  1. Keen, M.: Cyril W. Cleverdon (1998) 0.54
    0.5403948 = sum of:
      0.5403948 = product of:
        2.1615791 = sum of:
          2.1615791 = weight(abstract_txt:cranfield in 1059) [ClassicSimilarity], result of:
            2.1615791 = score(doc=1059,freq=1.0), product of:
              0.8371217 = queryWeight, product of:
                2.3727453 = boost
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.042697746 = queryNorm
              2.5821564 = fieldWeight in 1059, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.3125 = fieldNorm(doc=1059)
        0.25 = coord(1/4)
    
  2. Fugmann, R.: ¬The empirical approach in the evaluation of information systems (1999) 0.48
    0.48256916 = sum of:
      0.48256916 = product of:
        0.9651383 = sum of:
          0.20858565 = weight(abstract_txt:evidence in 4115) [ClassicSimilarity], result of:
            0.20858565 = score(doc=4115,freq=1.0), product of:
              0.3546109 = queryWeight, product of:
                1.5443043 = boost
                5.377919 = idf(docFreq=554, maxDocs=44218)
                0.042697746 = queryNorm
              0.5882099 = fieldWeight in 4115, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.377919 = idf(docFreq=554, maxDocs=44218)
                0.109375 = fieldNorm(doc=4115)
          0.7565527 = weight(abstract_txt:cranfield in 4115) [ClassicSimilarity], result of:
            0.7565527 = score(doc=4115,freq=1.0), product of:
              0.8371217 = queryWeight, product of:
                2.3727453 = boost
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.042697746 = queryNorm
              0.9037547 = fieldWeight in 4115, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.109375 = fieldNorm(doc=4115)
        0.5 = coord(2/4)
    
  3. Voorhees, E.M.: On test collections for adaptive information retrieval (2008) 0.46
    0.4566117 = sum of:
      0.4566117 = product of:
        0.9132234 = sum of:
          0.14898974 = weight(abstract_txt:evidence in 2444) [ClassicSimilarity], result of:
            0.14898974 = score(doc=2444,freq=1.0), product of:
              0.3546109 = queryWeight, product of:
                1.5443043 = boost
                5.377919 = idf(docFreq=554, maxDocs=44218)
                0.042697746 = queryNorm
              0.42014992 = fieldWeight in 2444, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.377919 = idf(docFreq=554, maxDocs=44218)
                0.078125 = fieldNorm(doc=2444)
          0.76423365 = weight(abstract_txt:cranfield in 2444) [ClassicSimilarity], result of:
            0.76423365 = score(doc=2444,freq=2.0), product of:
              0.8371217 = queryWeight, product of:
                2.3727453 = boost
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.042697746 = queryNorm
              0.91293013 = fieldWeight in 2444, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.078125 = fieldNorm(doc=2444)
        0.5 = coord(2/4)
    
  4. Harter, S.P.; Hert, C.A.: Evaluation of information retrieval systems : approaches, issues, and methods (1997) 0.30
    0.3020899 = sum of:
      0.3020899 = product of:
        1.2083596 = sum of:
          1.2083596 = weight(abstract_txt:cranfield in 2264) [ClassicSimilarity], result of:
            1.2083596 = score(doc=2264,freq=5.0), product of:
              0.8371217 = queryWeight, product of:
                2.3727453 = boost
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.042697746 = queryNorm
              1.4434694 = fieldWeight in 2264, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.078125 = fieldNorm(doc=2264)
        0.25 = coord(1/4)
    
  5. Lopez-Pujalte, C.; Guerrero Bote, V.P.; Moya-Anegón, F. de: Evaluation of the application of genetic algorithms to relevance feedback (2003) 0.30
    0.29880244 = sum of:
      0.29880244 = product of:
        0.5976049 = sum of:
          0.057210114 = weight(abstract_txt:results in 2756) [ClassicSimilarity], result of:
            0.057210114 = score(doc=2756,freq=2.0), product of:
              0.14869158 = queryWeight, product of:
                3.482422 = idf(docFreq=3693, maxDocs=44218)
                0.042697746 = queryNorm
              0.38475692 = fieldWeight in 2756, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.482422 = idf(docFreq=3693, maxDocs=44218)
                0.078125 = fieldNorm(doc=2756)
          0.5403948 = weight(abstract_txt:cranfield in 2756) [ClassicSimilarity], result of:
            0.5403948 = score(doc=2756,freq=1.0), product of:
              0.8371217 = queryWeight, product of:
                2.3727453 = boost
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.042697746 = queryNorm
              0.6455391 = fieldWeight in 2756, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.078125 = fieldNorm(doc=2756)
        0.5 = coord(2/4)