Search (7 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  • × year_i:[2000 TO 2010}
  1. Klas, C.-P.; Fuhr, N.; Schaefer, A.: Evaluating strategic support for information access in the DAFFODIL system (2004) 0.01
    0.0061434647 = product of:
      0.012286929 = sum of:
        0.012286929 = product of:
          0.036860786 = sum of:
            0.036860786 = weight(_text_:22 in 2419) [ClassicSimilarity], result of:
              0.036860786 = score(doc=2419,freq=2.0), product of:
                0.1587864 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04534384 = queryNorm
                0.23214069 = fieldWeight in 2419, 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=2419)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    16.11.2008 16:22:48
  2. Bhogal, J.; Macfarlane, A.; Smith, P.: ¬A review of ontology based query expansion (2007) 0.01
    0.005901199 = product of:
      0.011802398 = sum of:
        0.011802398 = product of:
          0.035407193 = sum of:
            0.035407193 = weight(_text_:j in 919) [ClassicSimilarity], result of:
              0.035407193 = score(doc=919,freq=2.0), product of:
                0.14407988 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04534384 = queryNorm
                0.24574696 = fieldWeight in 919, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=919)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  3. Song, D.; Bruza, P.D.: Towards context sensitive information inference (2003) 0.01
    0.0051195538 = product of:
      0.0102391075 = sum of:
        0.0102391075 = product of:
          0.030717323 = sum of:
            0.030717323 = weight(_text_:22 in 1428) [ClassicSimilarity], result of:
              0.030717323 = score(doc=1428,freq=2.0), product of:
                0.1587864 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04534384 = queryNorm
                0.19345059 = fieldWeight in 1428, 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=1428)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    22. 3.2003 19:35:46
  4. Shiri, A.A.; Revie, C.: Query expansion behavior within a thesaurus-enhanced search environment : a user-centered evaluation (2006) 0.01
    0.0051195538 = product of:
      0.0102391075 = sum of:
        0.0102391075 = product of:
          0.030717323 = sum of:
            0.030717323 = weight(_text_:22 in 56) [ClassicSimilarity], result of:
              0.030717323 = score(doc=56,freq=2.0), product of:
                0.1587864 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.04534384 = queryNorm
                0.19345059 = fieldWeight in 56, 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=56)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 16:32:43
  5. Nie, J.-Y.: Query expansion and query translation as logical inference (2003) 0.01
    0.0050581703 = product of:
      0.010116341 = sum of:
        0.010116341 = product of:
          0.030349022 = sum of:
            0.030349022 = weight(_text_:j in 1425) [ClassicSimilarity], result of:
              0.030349022 = score(doc=1425,freq=2.0), product of:
                0.14407988 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04534384 = queryNorm
                0.21064025 = fieldWeight in 1425, 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=1425)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  6. Quiroga, L.M.; Mostafa, J.: ¬An experiment in building profiles in information filtering : the role of context of user relevance feedback (2002) 0.00
    0.0042151418 = product of:
      0.0084302835 = sum of:
        0.0084302835 = product of:
          0.02529085 = sum of:
            0.02529085 = weight(_text_:j in 2579) [ClassicSimilarity], result of:
              0.02529085 = score(doc=2579,freq=2.0), product of:
                0.14407988 = queryWeight, product of:
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.04534384 = queryNorm
                0.17553353 = fieldWeight in 2579, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.1774964 = idf(docFreq=5010, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2579)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  7. Chen, H.; Lally, A.M.; Zhu, B.; Chau, M.: HelpfulMed : Intelligent searching for medical information over the Internet (2003) 0.00
    0.0025769281 = product of:
      0.0051538562 = sum of:
        0.0051538562 = product of:
          0.015461569 = sum of:
            0.015461569 = weight(_text_:h in 1615) [ClassicSimilarity], result of:
              0.015461569 = score(doc=1615,freq=2.0), product of:
                0.11265446 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.04534384 = queryNorm
                0.13724773 = fieldWeight in 1615, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1615)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)