Search (1 results, page 1 of 1)

  • × author_ss:"Smeaton, A.F."
  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  1. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.03 
    0.025070257 = product of:
  0.10028103 = sum of:
    0.10028103 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
      0.10028103 = score(doc=2134,freq=2.0), product of:
        0.18513593 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052868344 = 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)
  0.25 = coord(1/4)
    Date
    30. 3.2001 13:32:22