Search (36 results, page 1 of 2)

  • × theme_ss:"Retrievalalgorithmen"
  • × type_ss:"a"
  • × year_i:[2000 TO 2010}
  1. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.07 
    0.07212798 = product of:
  0.18031995 = sum of:
    0.08142464 = weight(_text_:j in 3445) [ClassicSimilarity], result of:
      0.08142464 = score(doc=3445,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.4914939 = fieldWeight in 3445, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.109375 = fieldNorm(doc=3445)
    0.09889531 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
      0.09889531 = score(doc=3445,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.5416616 = fieldWeight in 3445, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.109375 = fieldNorm(doc=3445)
  0.4 = coord(2/5)
    Date
    25. 8.2005 17:42:22
  2. Furner, J.: ¬A unifying model of document relatedness for hybrid search engines (2003) 0.03 
    0.030911991 = product of:
  0.07727998 = sum of:
    0.034896273 = weight(_text_:j in 2717) [ClassicSimilarity], result of:
      0.034896273 = score(doc=2717,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.21064025 = fieldWeight in 2717, 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=2717)
    0.042383704 = weight(_text_:22 in 2717) [ClassicSimilarity], result of:
      0.042383704 = score(doc=2717,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.23214069 = fieldWeight in 2717, 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=2717)
  0.4 = coord(2/5)
    Date
    11. 9.2004 17:32:22
  3. Daniowicz, C.; Baliski, J.: Document ranking based upon Markov chains (2001) 0.02 
    0.016284928 = product of:
  0.08142464 = sum of:
    0.08142464 = weight(_text_:j in 5388) [ClassicSimilarity], result of:
      0.08142464 = score(doc=5388,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.4914939 = fieldWeight in 5388, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.109375 = fieldNorm(doc=5388)
  0.2 = coord(1/5)
  4. Na, S.-H.; Kang, I.-S.; Roh, J.-E.; Lee, J.-H.: ¬An empirical study of query expansion and cluster-based retrieval in language modeling approach (2007) 0.01 
    0.011515182 = product of:
  0.05757591 = sum of:
    0.05757591 = weight(_text_:j in 906) [ClassicSimilarity], result of:
      0.05757591 = score(doc=906,freq=4.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.34753868 = fieldWeight in 906, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.0546875 = fieldNorm(doc=906)
  0.2 = coord(1/5)
  5. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01 
    0.011302321 = product of:
  0.056511607 = sum of:
    0.056511607 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
      0.056511607 = score(doc=5108,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.30952093 = fieldWeight in 5108, 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=5108)
  0.2 = coord(1/5)
    Date
    20. 1.2007 18:30:22
  6. Losada, D.E.; Barreiro, A.: Emebedding term similarity and inverse document frequency into a logical model of information retrieval (2003) 0.01 
    0.011302321 = product of:
  0.056511607 = sum of:
    0.056511607 = weight(_text_:22 in 1422) [ClassicSimilarity], result of:
      0.056511607 = score(doc=1422,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.30952093 = fieldWeight in 1422, 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=1422)
  0.2 = coord(1/5)
    Date
    22. 3.2003 19:27:23
  7. Kanaeva, Z.: Ranking: Google und CiteSeer (2005) 0.01 
    0.009889531 = product of:
  0.049447656 = sum of:
    0.049447656 = weight(_text_:22 in 3276) [ClassicSimilarity], result of:
      0.049447656 = score(doc=3276,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.2708308 = fieldWeight in 3276, 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=3276)
  0.2 = coord(1/5)
    Date
    20. 3.2005 16:23:22
  8. Hubert, G.; Mothe, J.: ¬An adaptable search engine for multimodal information retrieval (2009) 0.01 
    0.009305673 = product of:
  0.04652836 = sum of:
    0.04652836 = weight(_text_:j in 2951) [ClassicSimilarity], result of:
      0.04652836 = score(doc=2951,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.28085366 = fieldWeight in 2951, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.0625 = fieldNorm(doc=2951)
  0.2 = coord(1/5)
  9. Crestani, F.; Dominich, S.; Lalmas, M.; Rijsbergen, C.J.K. van: Mathematical, logical, and formal methods in information retrieval : an introduction to the special issue (2003) 0.01 
    0.008476741 = product of:
  0.042383704 = sum of:
    0.042383704 = weight(_text_:22 in 1451) [ClassicSimilarity], result of:
      0.042383704 = score(doc=1451,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.23214069 = fieldWeight in 1451, 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=1451)
  0.2 = coord(1/5)
    Date
    22. 3.2003 19:27:36
  10. Fan, W.; Fox, E.A.; Pathak, P.; Wu, H.: ¬The effects of fitness functions an genetic programming-based ranking discovery for Web search (2004) 0.01 
    0.008476741 = product of:
  0.042383704 = sum of:
    0.042383704 = weight(_text_:22 in 2239) [ClassicSimilarity], result of:
      0.042383704 = score(doc=2239,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.23214069 = fieldWeight in 2239, 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=2239)
  0.2 = coord(1/5)
    Date
    31. 5.2004 19:22:06
  11. Witschel, H.F.: Global term weights in distributed environments (2008) 0.01 
    0.008476741 = product of:
  0.042383704 = sum of:
    0.042383704 = weight(_text_:22 in 2096) [ClassicSimilarity], result of:
      0.042383704 = score(doc=2096,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.23214069 = fieldWeight in 2096, 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=2096)
  0.2 = coord(1/5)
    Date
    1. 8.2008 9:44:22
  12. Klas, C.-P.; Fuhr, N.; Schaefer, A.: Evaluating strategic support for information access in the DAFFODIL system (2004) 0.01 
    0.008476741 = product of:
  0.042383704 = sum of:
    0.042383704 = weight(_text_:22 in 2419) [ClassicSimilarity], result of:
      0.042383704 = score(doc=2419,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = 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)
  0.2 = coord(1/5)
    Date
    16.11.2008 16:22:48
  13. Campos, L.M. de; Fernández-Luna, J.M.; Huete, J.F.: Implementing relevance feedback in the Bayesian network retrieval model (2003) 0.01 
    0.008476741 = product of:
  0.042383704 = sum of:
    0.042383704 = weight(_text_:22 in 825) [ClassicSimilarity], result of:
      0.042383704 = score(doc=825,freq=2.0), product of:
        0.18257765 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.05213779 = queryNorm
        0.23214069 = fieldWeight in 825, 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=825)
  0.2 = coord(1/5)
    Date
    22. 3.2003 19:30:19
  14. Picard, J.; Savoy, J.: Enhancing retrieval with hyperlinks : a general model based on propositional argumentation systems (2003) 0.01 
    0.00822513 = product of:
  0.041125648 = sum of:
    0.041125648 = weight(_text_:j in 1427) [ClassicSimilarity], result of:
      0.041125648 = score(doc=1427,freq=4.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.2482419 = fieldWeight in 1427, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1427)
  0.2 = coord(1/5)
  15. Sormunen, E.; Kekäläinen, J.; Koivisto, J.; Järvelin, K.: Document text characteristics affect the ranking of the most relevant documents by expanded structured queries (2001) 0.01 
    0.00822513 = product of:
  0.041125648 = sum of:
    0.041125648 = weight(_text_:j in 4487) [ClassicSimilarity], result of:
      0.041125648 = score(doc=4487,freq=4.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.2482419 = fieldWeight in 4487, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.0390625 = fieldNorm(doc=4487)
  0.2 = coord(1/5)
  16. Wan, X.; Yang, J.; Xiao, J.: Towards a unified approach to document similarity search using manifold-ranking of blocks (2008) 0.01 
    0.00822513 = product of:
  0.041125648 = sum of:
    0.041125648 = weight(_text_:j in 2081) [ClassicSimilarity], result of:
      0.041125648 = score(doc=2081,freq=4.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.2482419 = fieldWeight in 2081, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.0390625 = fieldNorm(doc=2081)
  0.2 = coord(1/5)
  17. Heinz, S.; Zobel, J.: Efficient single-pass index construction for text databases (2003) 0.01 
    0.008142464 = product of:
  0.04071232 = sum of:
    0.04071232 = weight(_text_:j in 1678) [ClassicSimilarity], result of:
      0.04071232 = score(doc=1678,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.24574696 = fieldWeight in 1678, 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=1678)
  0.2 = coord(1/5)
  18. Oberhauser, O.; Labner, J.: Relevance Ranking in Online-Katalogen : Informationsstand und Perspektiven (2003) 0.01 
    0.008142464 = product of:
  0.04071232 = sum of:
    0.04071232 = weight(_text_:j in 2188) [ClassicSimilarity], result of:
      0.04071232 = score(doc=2188,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.24574696 = fieldWeight in 2188, 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=2188)
  0.2 = coord(1/5)
  19. Abdelali, A.; Cowie, J.; Soliman, H.S.: Improving query precision using semantic expansion (2007) 0.01 
    0.008142464 = product of:
  0.04071232 = sum of:
    0.04071232 = weight(_text_:j in 917) [ClassicSimilarity], result of:
      0.04071232 = score(doc=917,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = queryNorm
        0.24574696 = fieldWeight in 917, 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=917)
  0.2 = coord(1/5)
  20. Bhogal, J.; Macfarlane, A.; Smith, P.: ¬A review of ontology based query expansion (2007) 0.01 
    0.008142464 = product of:
  0.04071232 = sum of:
    0.04071232 = weight(_text_:j in 919) [ClassicSimilarity], result of:
      0.04071232 = score(doc=919,freq=2.0), product of:
        0.16566764 = queryWeight, product of:
          3.1774964 = idf(docFreq=5010, maxDocs=44218)
          0.05213779 = 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)
  0.2 = coord(1/5)

Authors

Languages

  • e 34
  • d 2
  • More… Less…

Themes