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) 0.01
    0.012692237 = product of:
      0.03807671 = sum of:
        0.025920296 = weight(_text_:internet in 1319) [ClassicSimilarity], result of:
          0.025920296 = score(doc=1319,freq=2.0), product of:
            0.11352337 = queryWeight, product of:
              2.9522398 = idf(docFreq=6276, maxDocs=44218)
              0.038453303 = queryNorm
            0.22832564 = fieldWeight in 1319, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.9522398 = idf(docFreq=6276, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1319)
        0.012156415 = product of:
          0.036469243 = sum of:
            0.036469243 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
              0.036469243 = score(doc=1319,freq=2.0), product of:
                0.13465692 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.038453303 = 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)
          0.33333334 = coord(1/3)
      0.33333334 = coord(2/6)
    
    Date
    1. 8.1996 22:08:06
    Theme
    Internet