Search (4 results, page 1 of 1)

  • × author_ss:"Ravana, S.D."
  1. Ravana, S.D.; Taheri, M.S.; Rajagopal, P.: Document-based approach to improve the accuracy of pairwise comparison in evaluating information retrieval systems (2015) 0.08 
    0.0776369 = product of:
  0.1552738 = sum of:
    0.1552738 = sum of:
      0.12562504 = weight(_text_:m.s in 2587) [ClassicSimilarity], result of:
        0.12562504 = score(doc=2587,freq=2.0), product of:
          0.3154796 = queryWeight, product of:
            7.208251 = idf(docFreq=88, maxDocs=44218)
            0.043766458 = queryNorm
          0.39820337 = fieldWeight in 2587, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            7.208251 = idf(docFreq=88, maxDocs=44218)
            0.0390625 = fieldNorm(doc=2587)
      0.029648755 = weight(_text_:22 in 2587) [ClassicSimilarity], result of:
        0.029648755 = score(doc=2587,freq=2.0), product of:
          0.15326267 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.043766458 = queryNorm
          0.19345059 = fieldWeight in 2587, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.0390625 = fieldNorm(doc=2587)
  0.5 = coord(1/2)
    Date
    20. 1.2015 18:30:22
  2. Ravana, S.D.; Rajagopal, P.; Balakrishnan, V.: Ranking retrieval systems using pseudo relevance judgments (2015) 0.01 
    0.010482417 = product of:
  0.020964835 = sum of:
    0.020964835 = product of:
      0.04192967 = sum of:
        0.04192967 = weight(_text_:22 in 2591) [ClassicSimilarity], result of:
          0.04192967 = score(doc=2591,freq=4.0), product of:
            0.15326267 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.043766458 = queryNorm
            0.27358043 = fieldWeight in 2591, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2591)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    20. 1.2015 18:30:22
    18. 9.2018 18:22:56
  3. Balakrishnan, V.; Ahmadi, K.; Ravana, S.D.: Improving retrieval relevance using users' explicit feedback (2016) 0.01 
    0.0074121887 = product of:
  0.014824377 = sum of:
    0.014824377 = product of:
      0.029648755 = sum of:
        0.029648755 = weight(_text_:22 in 2921) [ClassicSimilarity], result of:
          0.029648755 = score(doc=2921,freq=2.0), product of:
            0.15326267 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.043766458 = queryNorm
            0.19345059 = fieldWeight in 2921, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2921)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    20. 1.2015 18:30:22
  4. Rajagopal, P.; Ravana, S.D.; Koh, Y.S.; Balakrishnan, V.: Evaluating the effectiveness of information retrieval systems using effort-based relevance judgment (2019) 0.01 
    0.0074121887 = product of:
  0.014824377 = sum of:
    0.014824377 = product of:
      0.029648755 = sum of:
        0.029648755 = weight(_text_:22 in 5287) [ClassicSimilarity], result of:
          0.029648755 = score(doc=5287,freq=2.0), product of:
            0.15326267 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.043766458 = queryNorm
            0.19345059 = fieldWeight in 5287, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5287)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
    Date
    20. 1.2015 18:30:22

Authors

Themes