Search (1 results, page 1 of 1)

  • × author_ss:"Chang, C.-H."
  • × theme_ss:"Retrievalalgorithmen"
  1. Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998) 0.04
    0.03839366 = product of:
      0.06398943 = sum of:
        0.03440854 = weight(_text_:u in 1319) [ClassicSimilarity], result of:
          0.03440854 = score(doc=1319,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.25324488 = fieldWeight in 1319, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1319)
        0.009904242 = product of:
          0.019808484 = sum of:
            0.019808484 = weight(_text_:h in 1319) [ClassicSimilarity], result of:
              0.019808484 = score(doc=1319,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.19214681 = fieldWeight in 1319, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1319)
          0.5 = coord(1/2)
        0.019676646 = product of:
          0.039353292 = sum of:
            0.039353292 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
              0.039353292 = score(doc=1319,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.2708308 = fieldWeight in 1319, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1319)
          0.5 = coord(1/2)
      0.6 = coord(3/5)
    
    Date
    1. 8.1996 22:08:06
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval