Search (2 results, page 1 of 1)

  • × author_ss:"Fan, W."
  • × theme_ss:"Retrievalstudien"
  1. Fan, W.; Luo, M.; Wang, L.; Xi, W.; Fox, E.A.: Tuning before feedback : combining ranking discovery and blind feedback for robust retrieval (2004) 0.26 
    0.25881484 = product of:
  0.38822225 = sum of:
    0.36618322 = weight(_text_:27th in 4052) [ClassicSimilarity], result of:
      0.36618322 = score(doc=4052,freq=2.0), product of:
        0.39451164 = queryWeight, product of:
          8.401051 = idf(docFreq=26, maxDocs=44218)
          0.0469598 = queryNorm
        0.9281937 = fieldWeight in 4052, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          8.401051 = idf(docFreq=26, maxDocs=44218)
          0.078125 = fieldNorm(doc=4052)
    0.022039026 = product of:
      0.06611708 = sum of:
        0.06611708 = weight(_text_:k in 4052) [ClassicSimilarity], result of:
          0.06611708 = score(doc=4052,freq=2.0), product of:
            0.16763605 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0469598 = queryNorm
            0.39440846 = fieldWeight in 4052, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.078125 = fieldNorm(doc=4052)
      0.33333334 = coord(1/3)
  0.6666667 = coord(2/3)
    Source
    SIGIR'04: Proceedings of the 27th Annual International ACM-SIGIR Conference an Research and Development in Information Retrieval. Ed.: K. Järvelin, u.a
  2. Radev, D.R.; Libner, K.; Fan, W.: Getting answers to natural language questions on the Web (2002) 0.00 
    0.0036731712 = product of:
  0.011019513 = sum of:
    0.011019513 = product of:
      0.03305854 = sum of:
        0.03305854 = weight(_text_:k in 5204) [ClassicSimilarity], result of:
          0.03305854 = score(doc=5204,freq=2.0), product of:
            0.16763605 = queryWeight, product of:
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0469598 = queryNorm
            0.19720423 = fieldWeight in 5204, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.569778 = idf(docFreq=3384, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5204)
      0.33333334 = coord(1/3)
  0.33333334 = coord(1/3)

Authors