Search (12 results, page 1 of 1)

  • × year_i:[1990 TO 2000}
  • × theme_ss:"Retrievalalgorithmen"
  1. Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998) 0.06
    0.059004918 = product of:
      0.118009835 = sum of:
        0.118009835 = sum of:
          0.069038525 = weight(_text_:56 in 1319) [ClassicSimilarity], result of:
            0.069038525 = score(doc=1319,freq=2.0), product of:
              0.21469334 = queryWeight, product of:
                4.1578603 = idf(docFreq=1879, maxDocs=44218)
                0.051635534 = queryNorm
              0.32156807 = fieldWeight in 1319, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1578603 = idf(docFreq=1879, maxDocs=44218)
                0.0546875 = fieldNorm(doc=1319)
          0.048971314 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
            0.048971314 = score(doc=1319,freq=2.0), product of:
              0.18081884 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.051635534 = 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)
    
    Date
    1. 8.1996 22:08:06
    30. 3.2001 13:56:19
  2. Joss, M.W.; Wszola, S.: ¬The engines that can : text search and retrieval software, their strategies, and vendors (1996) 0.05
    0.050575644 = product of:
      0.10115129 = sum of:
        0.10115129 = sum of:
          0.05917588 = weight(_text_:56 in 5123) [ClassicSimilarity], result of:
            0.05917588 = score(doc=5123,freq=2.0), product of:
              0.21469334 = queryWeight, product of:
                4.1578603 = idf(docFreq=1879, maxDocs=44218)
                0.051635534 = queryNorm
              0.2756298 = fieldWeight in 5123, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1578603 = idf(docFreq=1879, maxDocs=44218)
                0.046875 = fieldNorm(doc=5123)
          0.04197541 = weight(_text_:22 in 5123) [ClassicSimilarity], result of:
            0.04197541 = score(doc=5123,freq=2.0), product of:
              0.18081884 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.051635534 = queryNorm
              0.23214069 = fieldWeight in 5123, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.046875 = fieldNorm(doc=5123)
      0.5 = coord(1/2)
    
    Date
    12. 9.1996 13:56:22
  3. Finding anything in the billion page Web : are algorithms the key? (1999) 0.03
    0.034519263 = product of:
      0.069038525 = sum of:
        0.069038525 = product of:
          0.13807705 = sum of:
            0.13807705 = weight(_text_:56 in 6248) [ClassicSimilarity], result of:
              0.13807705 = score(doc=6248,freq=2.0), product of:
                0.21469334 = queryWeight, product of:
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.051635534 = queryNorm
                0.64313614 = fieldWeight in 6248, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.109375 = fieldNorm(doc=6248)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    1. 2.2001 9:35:56
  4. Grossman, D.A.; Frieder, O.: Information retrieval : algorithms and heuristics (1998) 0.03
    0.02958794 = product of:
      0.05917588 = sum of:
        0.05917588 = product of:
          0.11835176 = sum of:
            0.11835176 = weight(_text_:56 in 2182) [ClassicSimilarity], result of:
              0.11835176 = score(doc=2182,freq=2.0), product of:
                0.21469334 = queryWeight, product of:
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.051635534 = queryNorm
                0.5512596 = fieldWeight in 2182, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2182)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    9. 9.2000 16:56:39
  5. Ruthven, I.; Lalmas, M.: Selective relevance feedback using term characteristics (1999) 0.02
    0.024656616 = product of:
      0.049313232 = sum of:
        0.049313232 = product of:
          0.098626465 = sum of:
            0.098626465 = weight(_text_:56 in 3824) [ClassicSimilarity], result of:
              0.098626465 = score(doc=3824,freq=2.0), product of:
                0.21469334 = queryWeight, product of:
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.051635534 = queryNorm
                0.45938298 = fieldWeight in 3824, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3824)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    15. 8.2005 13:47:56
  6. Tenopir, C.: Online databases : natural language searching with WIN (1993) 0.02
    0.019725293 = product of:
      0.039450586 = sum of:
        0.039450586 = product of:
          0.07890117 = sum of:
            0.07890117 = weight(_text_:56 in 7038) [ClassicSimilarity], result of:
              0.07890117 = score(doc=7038,freq=2.0), product of:
                0.21469334 = queryWeight, product of:
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.051635534 = queryNorm
                0.36750638 = fieldWeight in 7038, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.0625 = fieldNorm(doc=7038)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Library journal. 118(1993) no.18, S.54-56
  7. Stanfill, C.: Parallel information retrieval algorithms (1992) 0.02
    0.019725293 = product of:
      0.039450586 = sum of:
        0.039450586 = product of:
          0.07890117 = sum of:
            0.07890117 = weight(_text_:56 in 3515) [ClassicSimilarity], result of:
              0.07890117 = score(doc=3515,freq=2.0), product of:
                0.21469334 = queryWeight, product of:
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.051635534 = queryNorm
                0.36750638 = fieldWeight in 3515, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3515)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    8. 5.1999 9:56:09
  8. Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998) 0.02
    0.017259631 = product of:
      0.034519263 = sum of:
        0.034519263 = product of:
          0.069038525 = sum of:
            0.069038525 = weight(_text_:56 in 430) [ClassicSimilarity], result of:
              0.069038525 = score(doc=430,freq=2.0), product of:
                0.21469334 = queryWeight, product of:
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.051635534 = queryNorm
                0.32156807 = fieldWeight in 430, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.1578603 = idf(docFreq=1879, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=430)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    30. 3.2001 13:56:45
  9. Faloutsos, C.: Signature files (1992) 0.01
    0.013991804 = product of:
      0.027983608 = sum of:
        0.027983608 = product of:
          0.055967215 = sum of:
            0.055967215 = weight(_text_:22 in 3499) [ClassicSimilarity], result of:
              0.055967215 = score(doc=3499,freq=2.0), product of:
                0.18081884 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.051635534 = queryNorm
                0.30952093 = fieldWeight in 3499, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3499)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    7. 5.1999 15:22:48
  10. Kelledy, F.; Smeaton, A.F.: Signature files and beyond (1996) 0.01
    0.010493852 = product of:
      0.020987704 = sum of:
        0.020987704 = product of:
          0.04197541 = sum of:
            0.04197541 = weight(_text_:22 in 6973) [ClassicSimilarity], result of:
              0.04197541 = score(doc=6973,freq=2.0), product of:
                0.18081884 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.051635534 = queryNorm
                0.23214069 = fieldWeight in 6973, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=6973)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
  11. Burgin, R.: ¬The retrieval effectiveness of 5 clustering algorithms as a function of indexing exhaustivity (1995) 0.01
    0.008744878 = product of:
      0.017489756 = sum of:
        0.017489756 = product of:
          0.03497951 = sum of:
            0.03497951 = weight(_text_:22 in 3365) [ClassicSimilarity], result of:
              0.03497951 = score(doc=3365,freq=2.0), product of:
                0.18081884 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.051635534 = queryNorm
                0.19345059 = fieldWeight in 3365, 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=3365)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 2.1996 11:20:06
  12. Efthimiadis, E.N.: User choices : a new yardstick for the evaluation of ranking algorithms for interactive query expansion (1995) 0.01
    0.008744878 = product of:
      0.017489756 = sum of:
        0.017489756 = product of:
          0.03497951 = sum of:
            0.03497951 = weight(_text_:22 in 5697) [ClassicSimilarity], result of:
              0.03497951 = score(doc=5697,freq=2.0), product of:
                0.18081884 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.051635534 = 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)
      0.5 = coord(1/2)
    
    Date
    22. 2.1996 13:14:10