Search (3 results, page 1 of 1)

  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  • × theme_ss:"Retrievalstudien"
  1. Gauch, S.; Wang, J.: Corpus analysis for TREC 5 query expansion (1997) 0.02
    0.015271729 = product of:
      0.030543458 = sum of:
        0.030543458 = product of:
          0.061086915 = sum of:
            0.061086915 = weight(_text_:j in 5800) [ClassicSimilarity], result of:
              0.061086915 = score(doc=5800,freq=2.0), product of:
                0.14500295 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.045634337 = queryNorm
                0.4212805 = fieldWeight in 5800, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5800)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Chen, H.; Martinez, J.; Kirchhoff, A.; Ng, T.D.; Schatz, B.R.: Alleviating search uncertainty through concept associations : automatic indexing, co-occurence analysis, and parallel computing (1998) 0.01
    0.0076358644 = product of:
      0.015271729 = sum of:
        0.015271729 = product of:
          0.030543458 = sum of:
            0.030543458 = weight(_text_:j in 5202) [ClassicSimilarity], result of:
              0.030543458 = score(doc=5202,freq=2.0), product of:
                0.14500295 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.045634337 = queryNorm
                0.21064025 = fieldWeight in 5202, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5202)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  3. Buckley, C.; Allan, J.; Salton, G.: Automatic routing and retrieval using Smart : TREC-2 (1995) 0.01
    0.0076358644 = product of:
      0.015271729 = sum of:
        0.015271729 = product of:
          0.030543458 = sum of:
            0.030543458 = weight(_text_:j in 5699) [ClassicSimilarity], result of:
              0.030543458 = score(doc=5699,freq=2.0), product of:
                0.14500295 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.045634337 = queryNorm
                0.21064025 = fieldWeight in 5699, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5699)
          0.5 = coord(1/2)
      0.5 = coord(1/2)