Search (2 results, page 1 of 1)

  • × author_ss:"Smeaton, A.F."
  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  1. Smeaton, A.F.; Kelledy, L.; O'Donnell, R.: TREC-4 experiments at Dublin City University : thresholding posting lists, query expansion with WordNet and POS tagging of Spanish (1996) 0.02
    0.017331589 = product of:
      0.060660556 = sum of:
        0.04044037 = weight(_text_:r in 7000) [ClassicSimilarity], result of:
          0.04044037 = score(doc=7000,freq=2.0), product of:
            0.11057278 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.033403065 = queryNorm
            0.36573532 = fieldWeight in 7000, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.078125 = fieldNorm(doc=7000)
        0.020220185 = product of:
          0.04044037 = sum of:
            0.04044037 = weight(_text_:r in 7000) [ClassicSimilarity], result of:
              0.04044037 = score(doc=7000,freq=2.0), product of:
                0.11057278 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.033403065 = queryNorm
                0.36573532 = fieldWeight in 7000, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7000)
          0.5 = coord(1/2)
      0.2857143 = coord(2/7)
    
  2. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.00
    0.004525654 = product of:
      0.031679578 = sum of:
        0.031679578 = product of:
          0.063359156 = sum of:
            0.063359156 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
              0.063359156 = score(doc=2134,freq=2.0), product of:
                0.11697184 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.033403065 = queryNorm
                0.5416616 = fieldWeight in 2134, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2134)
          0.5 = coord(1/2)
      0.14285715 = coord(1/7)
    
    Date
    30. 3.2001 13:32:22