Search (3 results, page 1 of 1)

  • × author_ss:"Luk, R.W.P."
  • × theme_ss:"Retrievalalgorithmen"
  1. Dang, E.K.F.; Luk, R.W.P.; Allan, J.: ¬A retrieval model family based on the probability ranking principle for ad hoc retrieval (2022) 0.01
    0.0059490055 = product of:
      0.029745027 = sum of:
        0.029745027 = weight(_text_:18 in 638) [ClassicSimilarity], result of:
          0.029745027 = score(doc=638,freq=4.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.2489599 = fieldWeight in 638, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0546875 = fieldNorm(doc=638)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
    11. 7.2022 18:51:21
  2. Dang, E.K.F.; Luk, R.W.P.; Allan, J.: Beyond bag-of-words : bigram-enhanced context-dependent term weights (2014) 0.00
    0.0042492896 = product of:
      0.021246448 = sum of:
        0.021246448 = weight(_text_:18 in 1283) [ClassicSimilarity], result of:
          0.021246448 = score(doc=1283,freq=4.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.1778285 = fieldWeight in 1283, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1283)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04
    16. 6.2014 18:57:01
  3. Dang, E.K.F.; Luk, R.W.P.; Allan, J.; Ho, K.S.; Chung, K.F.L.; Lee, D.L.: ¬A new context-dependent term weight computed by boost and discount using relevance information (2010) 0.00
    0.0030047016 = product of:
      0.015023507 = sum of:
        0.015023507 = weight(_text_:18 in 4120) [ClassicSimilarity], result of:
          0.015023507 = score(doc=4120,freq=2.0), product of:
            0.11947718 = queryWeight, product of:
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.052489646 = queryNorm
            0.12574373 = fieldWeight in 4120, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2762048 = idf(docFreq=12340, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4120)
      0.2 = coord(1/5)
    
    Date
    17. 2.1997 18:25:04