Search (5 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"Computerlinguistik"
  1. Symonds, M.; Bruza, P.; Zuccon, G.; Koopman, B.; Sitbon, L.; Turner, I.: Automatic query expansion : a structural linguistic perspective (2014) 0.02
    0.017073559 = product of:
      0.042683896 = sum of:
        0.024577528 = weight(_text_:u in 1338) [ClassicSimilarity], result of:
          0.024577528 = score(doc=1338,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.1808892 = fieldWeight in 1338, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1338)
        0.018106367 = product of:
          0.036212735 = sum of:
            0.036212735 = weight(_text_:l in 1338) [ClassicSimilarity], result of:
              0.036212735 = score(doc=1338,freq=2.0), product of:
                0.16492525 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.041494254 = queryNorm
                0.2195706 = fieldWeight in 1338, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1338)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  2. Frakes, W.B.: Stemming algorithms (1992) 0.01
    0.00786481 = product of:
      0.039324045 = sum of:
        0.039324045 = weight(_text_:u in 3503) [ClassicSimilarity], result of:
          0.039324045 = score(doc=3503,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.28942272 = fieldWeight in 3503, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0625 = fieldNorm(doc=3503)
      0.2 = coord(1/5)
    
    Source
    Information retrieval: data structures and algorithms. Ed.: W.B. Frakes u. R. Baeza-Yates
  3. Hoenkamp, E.; Bruza, P.D.; Song, D.; Huang, Q.: ¬An effective approach to verbose queries using a limited dependencies language model (2009) 0.00
    0.002897019 = product of:
      0.014485095 = sum of:
        0.014485095 = product of:
          0.02897019 = sum of:
            0.02897019 = weight(_text_:l in 2122) [ClassicSimilarity], result of:
              0.02897019 = score(doc=2122,freq=2.0), product of:
                0.16492525 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.041494254 = queryNorm
                0.17565648 = fieldWeight in 2122, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.03125 = fieldNorm(doc=2122)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Second International Conference on the Theory of Information Retrieval, ICTIR 2009 Cambridge, UK, September 10-12, 2009 Proceedings. Ed.: L. Azzopardi
  4. Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005) 0.00
    0.0024011508 = product of:
      0.012005754 = sum of:
        0.012005754 = product of:
          0.024011508 = sum of:
            0.024011508 = weight(_text_:h in 3455) [ClassicSimilarity], result of:
              0.024011508 = score(doc=3455,freq=4.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.2329171 = fieldWeight in 3455, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3455)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
  5. Abu-Salem, H.; Al-Omari, M.; Evens, M.W.: Stemming methodologies over individual query words for an Arabic information retrieval system (1999) 0.00
    0.0014148918 = product of:
      0.007074459 = sum of:
        0.007074459 = product of:
          0.014148918 = sum of:
            0.014148918 = weight(_text_:h in 3672) [ClassicSimilarity], result of:
              0.014148918 = score(doc=3672,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.13724773 = fieldWeight in 3672, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3672)
          0.5 = coord(1/2)
      0.2 = coord(1/5)