Search (4 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × author_ss:"Ruthven, I."
  1. Ruthven, I.; Lalmas, M.: Selective relevance feedback using term characteristics (1999) 0.13
    0.1262535 = product of:
      0.168338 = sum of:
        0.0100568505 = weight(_text_:e in 3824) [ClassicSimilarity], result of:
          0.0100568505 = score(doc=3824,freq=2.0), product of:
            0.063326925 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0440575 = queryNorm
            0.15880844 = fieldWeight in 3824, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.078125 = fieldNorm(doc=3824)
        0.10716225 = weight(_text_:et in 3824) [ClassicSimilarity], result of:
          0.10716225 = score(doc=3824,freq=2.0), product of:
            0.20671801 = queryWeight, product of:
              4.692005 = idf(docFreq=1101, maxDocs=44218)
              0.0440575 = queryNorm
            0.5183982 = fieldWeight in 3824, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.692005 = idf(docFreq=1101, maxDocs=44218)
              0.078125 = fieldNorm(doc=3824)
        0.0511189 = product of:
          0.1022378 = sum of:
            0.1022378 = weight(_text_:al in 3824) [ClassicSimilarity], result of:
              0.1022378 = score(doc=3824,freq=2.0), product of:
                0.20191248 = queryWeight, product of:
                  4.582931 = idf(docFreq=1228, maxDocs=44218)
                  0.0440575 = queryNorm
                0.5063471 = fieldWeight in 3824, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.582931 = idf(docFreq=1228, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3824)
          0.5 = coord(1/2)
      0.75 = coord(3/4)
    
    Language
    e
    Source
    Vocabulary as a central concept in digital libraries: interdisciplinary concepts, challenges, and opportunities : proceedings of the Third International Conference an Conceptions of Library and Information Science (COLIS3), Dubrovnik, Croatia, 23-26 May 1999. Ed. by T. Arpanac et al
  2. Lalmas, M.; Ruthven, I.: Representing and retrieving structured documents using the Dempster-Shafer theory of evidence : modelling and evaluation (1998) 0.00
    0.0017599487 = product of:
      0.0070397947 = sum of:
        0.0070397947 = weight(_text_:e in 1076) [ClassicSimilarity], result of:
          0.0070397947 = score(doc=1076,freq=2.0), product of:
            0.063326925 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0440575 = queryNorm
            0.1111659 = fieldWeight in 1076, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1076)
      0.25 = coord(1/4)
    
    Language
    e
  3. White, R.W.; Jose, J.M.; Ruthven, I.: ¬An implicit feedback approach for interactive information retrieval (2006) 0.00
    0.0015085274 = product of:
      0.0060341097 = sum of:
        0.0060341097 = weight(_text_:e in 964) [ClassicSimilarity], result of:
          0.0060341097 = score(doc=964,freq=2.0), product of:
            0.063326925 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0440575 = queryNorm
            0.09528506 = fieldWeight in 964, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.046875 = fieldNorm(doc=964)
      0.25 = coord(1/4)
    
    Language
    e
  4. White, R.W.; Jose, J.M.; Ruthven, I.: Using top-ranking sentences to facilitate effective information access (2005) 0.00
    0.0012571063 = product of:
      0.0050284253 = sum of:
        0.0050284253 = weight(_text_:e in 3881) [ClassicSimilarity], result of:
          0.0050284253 = score(doc=3881,freq=2.0), product of:
            0.063326925 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0440575 = queryNorm
            0.07940422 = fieldWeight in 3881, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3881)
      0.25 = coord(1/4)
    
    Language
    e