Search (41 results, page 1 of 3)

  • × theme_ss:"Retrievalalgorithmen"
  1. Beitzel, S.M.; Jensen, E.C.; Chowdhury, A.; Grossman, D.; Frieder, O; Goharian, N.: Fusion of effective retrieval strategies in the same information retrieval system (2004) 0.05
    0.048400767 = product of:
      0.1452023 = sum of:
        0.1452023 = weight(_text_:s.m in 2502) [ClassicSimilarity], result of:
          0.1452023 = score(doc=2502,freq=2.0), product of:
            0.30709523 = queryWeight, product of:
              7.132539 = idf(docFreq=95, maxDocs=44218)
              0.043055527 = queryNorm
            0.472825 = fieldWeight in 2502, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.132539 = idf(docFreq=95, maxDocs=44218)
              0.046875 = fieldNorm(doc=2502)
      0.33333334 = coord(1/3)
    
  2. Courtois, M.P.; Berry, M.W.: Results ranking in Web search engines (1999) 0.03
    0.029284801 = product of:
      0.0878544 = sum of:
        0.0878544 = product of:
          0.1757088 = sum of:
            0.1757088 = weight(_text_:de in 3726) [ClassicSimilarity], result of:
              0.1757088 = score(doc=3726,freq=8.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.94961995 = fieldWeight in 3726, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3726)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Abstract
    Comparaison des méthodes de classement de 5 moteurs de recherche (AltaVista, HotBot, Excie, Infoseek et Lycos). Sont testées la présence de tous les mots, la proximité et la localisation
  3. Campos, L.M. de; Fernández-Luna, J.M.; Huete, J.F.: Implementing relevance feedback in the Bayesian network retrieval model (2003) 0.03
    0.029237738 = product of:
      0.08771321 = sum of:
        0.08771321 = sum of:
          0.052712638 = weight(_text_:de in 825) [ClassicSimilarity], result of:
            0.052712638 = score(doc=825,freq=2.0), product of:
              0.18503065 = queryWeight, product of:
                4.297489 = idf(docFreq=1634, maxDocs=44218)
                0.043055527 = queryNorm
              0.28488597 = fieldWeight in 825, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.297489 = idf(docFreq=1634, maxDocs=44218)
                0.046875 = fieldNorm(doc=825)
          0.035000578 = weight(_text_:22 in 825) [ClassicSimilarity], result of:
            0.035000578 = score(doc=825,freq=2.0), product of:
              0.15077312 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.043055527 = 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)
      0.33333334 = coord(1/3)
    
    Date
    22. 3.2003 19:30:19
  4. Figuerola, C.G.; Zazo, A.F.; Berrocal, J.L.A.: ¬La interaccion con el usuario en los sistemas de cuperacion de informacion realimentacion por relecvancia (2002) 0.02
    0.024848975 = product of:
      0.074546926 = sum of:
        0.074546926 = product of:
          0.14909385 = sum of:
            0.14909385 = weight(_text_:de in 2875) [ClassicSimilarity], result of:
              0.14909385 = score(doc=2875,freq=4.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.8057792 = fieldWeight in 2875, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2875)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  5. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.02
    0.015555813 = product of:
      0.046667438 = sum of:
        0.046667438 = product of:
          0.093334876 = sum of:
            0.093334876 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
              0.093334876 = score(doc=402,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = queryNorm
                0.61904186 = fieldWeight in 402, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=402)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  6. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.01
    0.013611335 = product of:
      0.040834006 = sum of:
        0.040834006 = product of:
          0.08166801 = sum of:
            0.08166801 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
              0.08166801 = score(doc=2134,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = queryNorm
                0.5416616 = fieldWeight in 2134, 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=2134)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    30. 3.2001 13:32:22
  7. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.01
    0.013611335 = product of:
      0.040834006 = sum of:
        0.040834006 = product of:
          0.08166801 = sum of:
            0.08166801 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
              0.08166801 = score(doc=3445,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = 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)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    25. 8.2005 17:42:22
  8. Al-Hawamdeh, S.; Smith, G.; Willett, P.; Vere, R. de: Using nearest-neighbour searching techniques to access full-text documents (1991) 0.01
    0.01171392 = product of:
      0.03514176 = sum of:
        0.03514176 = product of:
          0.07028352 = sum of:
            0.07028352 = weight(_text_:de in 2300) [ClassicSimilarity], result of:
              0.07028352 = score(doc=2300,freq=2.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.37984797 = fieldWeight in 2300, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2300)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  9. Guerrero-Bote, V.P.; Moya Anegón, F. de; Herrero Solana, V.: Document organization using Kohonen's algorithm (2002) 0.01
    0.01171392 = product of:
      0.03514176 = sum of:
        0.03514176 = product of:
          0.07028352 = sum of:
            0.07028352 = weight(_text_:de in 2564) [ClassicSimilarity], result of:
              0.07028352 = score(doc=2564,freq=2.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.37984797 = fieldWeight in 2564, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2564)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  10. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.01
    0.0116668595 = product of:
      0.035000578 = sum of:
        0.035000578 = product of:
          0.070001155 = sum of:
            0.070001155 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
              0.070001155 = score(doc=58,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = queryNorm
                0.46428138 = fieldWeight in 58, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=58)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    14. 6.2015 22:12:44
  11. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.01
    0.0116668595 = product of:
      0.035000578 = sum of:
        0.035000578 = product of:
          0.070001155 = sum of:
            0.070001155 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
              0.070001155 = score(doc=2051,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = queryNorm
                0.46428138 = fieldWeight in 2051, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2051)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    14. 6.2015 22:12:56
  12. López-Pujalte, C.; Guerrero-Bote, V.P.; Moya-Anegón, F. de: Genetic algorithms in relevance feedback : a second test and new contributions (2003) 0.01
    0.01024968 = product of:
      0.03074904 = sum of:
        0.03074904 = product of:
          0.06149808 = sum of:
            0.06149808 = weight(_text_:de in 1076) [ClassicSimilarity], result of:
              0.06149808 = score(doc=1076,freq=2.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.33236697 = fieldWeight in 1076, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1076)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  13. Sánchez-de-Madariaga, R.; Fernández-del-Castillo, J.R.: ¬The bootstrapping of the Yarowsky algorithm in real corpora (2009) 0.01
    0.01024968 = product of:
      0.03074904 = sum of:
        0.03074904 = product of:
          0.06149808 = sum of:
            0.06149808 = weight(_text_:de in 2451) [ClassicSimilarity], result of:
              0.06149808 = score(doc=2451,freq=2.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.33236697 = fieldWeight in 2451, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2451)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  14. Moura, E.S. de; Fernandes, D.; Ribeiro-Neto, B.; Silva, A.S. da; Gonçalves, M.A.: Using structural information to improve search in Web collections (2010) 0.01
    0.00878544 = product of:
      0.026356319 = sum of:
        0.026356319 = product of:
          0.052712638 = sum of:
            0.052712638 = weight(_text_:de in 4119) [ClassicSimilarity], result of:
              0.052712638 = score(doc=4119,freq=2.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.28488597 = fieldWeight in 4119, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4119)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
  15. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01
    0.0077779065 = product of:
      0.023333719 = sum of:
        0.023333719 = product of:
          0.046667438 = sum of:
            0.046667438 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
              0.046667438 = score(doc=5108,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = 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)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    20. 1.2007 18:30:22
  16. Faloutsos, C.: Signature files (1992) 0.01
    0.0077779065 = product of:
      0.023333719 = sum of:
        0.023333719 = product of:
          0.046667438 = sum of:
            0.046667438 = weight(_text_:22 in 3499) [ClassicSimilarity], result of:
              0.046667438 = score(doc=3499,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = 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)
      0.33333334 = coord(1/3)
    
    Date
    7. 5.1999 15:22:48
  17. Losada, D.E.; Barreiro, A.: Emebedding term similarity and inverse document frequency into a logical model of information retrieval (2003) 0.01
    0.0077779065 = product of:
      0.023333719 = sum of:
        0.023333719 = product of:
          0.046667438 = sum of:
            0.046667438 = weight(_text_:22 in 1422) [ClassicSimilarity], result of:
              0.046667438 = score(doc=1422,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = 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)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    22. 3.2003 19:27:23
  18. Bornmann, L.; Mutz, R.: From P100 to P100' : a new citation-rank approach (2014) 0.01
    0.0077779065 = product of:
      0.023333719 = sum of:
        0.023333719 = product of:
          0.046667438 = sum of:
            0.046667438 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
              0.046667438 = score(doc=1431,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = queryNorm
                0.30952093 = fieldWeight in 1431, 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=1431)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    22. 8.2014 17:05:18
  19. Tober, M.; Hennig, L.; Furch, D.: SEO Ranking-Faktoren und Rang-Korrelationen 2014 : Google Deutschland (2014) 0.01
    0.0077779065 = product of:
      0.023333719 = sum of:
        0.023333719 = product of:
          0.046667438 = sum of:
            0.046667438 = weight(_text_:22 in 1484) [ClassicSimilarity], result of:
              0.046667438 = score(doc=1484,freq=2.0), product of:
                0.15077312 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.043055527 = queryNorm
                0.30952093 = fieldWeight in 1484, 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=1484)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    
    Date
    13. 9.2014 14:45:22
  20. Lopez-Pujalte, C.; Guerrero Bote, V.P.; Moya-Anegón, F. de: Evaluation of the application of genetic algorithms to relevance feedback (2003) 0.01
    0.0073212003 = product of:
      0.0219636 = sum of:
        0.0219636 = product of:
          0.0439272 = sum of:
            0.0439272 = weight(_text_:de in 2756) [ClassicSimilarity], result of:
              0.0439272 = score(doc=2756,freq=2.0), product of:
                0.18503065 = queryWeight, product of:
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.043055527 = queryNorm
                0.23740499 = fieldWeight in 2756, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.297489 = idf(docFreq=1634, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2756)
          0.5 = coord(1/2)
      0.33333334 = coord(1/3)
    

Years

Languages

  • e 36
  • d 4
  • sp 1
  • More… Less…

Types

  • a 39
  • m 1
  • r 1
  • More… Less…