Search (2 results, page 1 of 1)

  • × author_ss:"Efthimiadis, E.N."
  • × theme_ss:"Retrievalalgorithmen"
  1. Efthimiadis, E.N.: User choices : a new yardstick for the evaluation of ranking algorithms for interactive query expansion (1995) 0.02
    0.015666587 = product of:
      0.039166465 = sum of:
        0.024917377 = weight(_text_:u in 5697) [ClassicSimilarity], result of:
          0.024917377 = score(doc=5697,freq=2.0), product of:
            0.13774939 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.04206802 = queryNorm
            0.1808892 = fieldWeight in 5697, 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=5697)
        0.01424909 = product of:
          0.02849818 = sum of:
            0.02849818 = weight(_text_:22 in 5697) [ClassicSimilarity], result of:
              0.02849818 = score(doc=5697,freq=2.0), product of:
                0.14731504 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04206802 = queryNorm
                0.19345059 = fieldWeight in 5697, 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=5697)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    22. 2.1996 13:14:10
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  2. Efthimiadis, E.N.: Interactive query expansion : a user-based evaluation in a relevance feedback environment (2000) 0.00
    0.0039867805 = product of:
      0.019933902 = sum of:
        0.019933902 = weight(_text_:u in 5701) [ClassicSimilarity], result of:
          0.019933902 = score(doc=5701,freq=2.0), product of:
            0.13774939 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.04206802 = queryNorm
            0.14471136 = fieldWeight in 5701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.03125 = fieldNorm(doc=5701)
      0.2 = coord(1/5)
    
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval