Search (63 results, page 1 of 4)

  • × theme_ss:"Retrievalalgorithmen"
  1. Clarke, C.L.A.; Cormack, G.V.; Tudhope, E.A.: Relevance ranking for one to three term queries (2000) 0.02 
    0.022801802 = product of:
  0.091207206 = sum of:
    0.091207206 = product of:
      0.27362162 = sum of:
        0.27362162 = weight(_text_:clarke in 437) [ClassicSimilarity], result of:
          0.27362162 = score(doc=437,freq=2.0), product of:
            0.23515552 = queryWeight, product of:
              7.5225 = idf(docFreq=64, maxDocs=44218)
              0.03126029 = queryNorm
            1.1635773 = fieldWeight in 437, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5225 = idf(docFreq=64, maxDocs=44218)
              0.109375 = fieldNorm(doc=437)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
  2. Clarke, C.L.A.; Cormack, G.V.; Burkowski, F.J.: Shortest substring ranking : multitext experiments for TREC-4 (1996) 0.02 
    0.019544404 = product of:
  0.078177616 = sum of:
    0.078177616 = product of:
      0.23453283 = sum of:
        0.23453283 = weight(_text_:clarke in 549) [ClassicSimilarity], result of:
          0.23453283 = score(doc=549,freq=2.0), product of:
            0.23515552 = queryWeight, product of:
              7.5225 = idf(docFreq=64, maxDocs=44218)
              0.03126029 = queryNorm
            0.997352 = fieldWeight in 549, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              7.5225 = idf(docFreq=64, maxDocs=44218)
              0.09375 = fieldNorm(doc=549)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
  3. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.01 
    0.008470675 = product of:
  0.0338827 = sum of:
    0.0338827 = product of:
      0.0677654 = sum of:
        0.0677654 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
          0.0677654 = score(doc=402,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  4. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.01 
    0.007411841 = product of:
  0.029647363 = sum of:
    0.029647363 = product of:
      0.059294727 = sum of:
        0.059294727 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
          0.059294727 = score(doc=2134,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    30. 3.2001 13:32:22
  5. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.01 
    0.007411841 = product of:
  0.029647363 = sum of:
    0.029647363 = product of:
      0.059294727 = sum of:
        0.059294727 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
          0.059294727 = score(doc=3445,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    25. 8.2005 17:42:22
  6. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.01 
    0.006353006 = product of:
  0.025412025 = sum of:
    0.025412025 = product of:
      0.05082405 = sum of:
        0.05082405 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.05082405 = score(doc=58,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    14. 6.2015 22:12:44
  7. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.01 
    0.006353006 = product of:
  0.025412025 = sum of:
    0.025412025 = product of:
      0.05082405 = sum of:
        0.05082405 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.05082405 = score(doc=2051,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    14. 6.2015 22:12:56
  8. Archuby, C.G.: Interfaces se recuperacion para catalogos en linea con salidas ordenadas por probable relevancia (2000) 0.01 
    0.005036702 = product of:
  0.020146808 = sum of:
    0.020146808 = product of:
      0.06044042 = sum of:
        0.06044042 = weight(_text_:29 in 5727) [ClassicSimilarity], result of:
          0.06044042 = score(doc=5727,freq=4.0), product of:
            0.10996392 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.03126029 = queryNorm
            0.5496386 = fieldWeight in 5727, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.078125 = fieldNorm(doc=5727)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Date
    29. 1.1996 18:23:13
    Source
    Ciencia da informacao. 29(2000) no.3, S.5-13
  9. Crestani, F.: Combination of similarity measures for effective spoken document retrieval (2003) 0.00 
    0.0049860803 = product of:
  0.019944321 = sum of:
    0.019944321 = product of:
      0.05983296 = sum of:
        0.05983296 = weight(_text_:29 in 4690) [ClassicSimilarity], result of:
          0.05983296 = score(doc=4690,freq=2.0), product of:
            0.10996392 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.03126029 = queryNorm
            0.5441145 = fieldWeight in 4690, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.109375 = fieldNorm(doc=4690)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Source
    Journal of information science. 29(2003) no.2, S.87-96
  10. Okada, M.; Ando, K.; Lee, S.S.; Hayashi, Y.; Aoe, J.I.: ¬An efficient substring search method by using delayed keyword extraction (2001) 0.00 
    0.0042737834 = product of:
  0.017095134 = sum of:
    0.017095134 = product of:
      0.051285397 = sum of:
        0.051285397 = weight(_text_:29 in 6415) [ClassicSimilarity], result of:
          0.051285397 = score(doc=6415,freq=2.0), product of:
            0.10996392 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.03126029 = queryNorm
            0.46638384 = fieldWeight in 6415, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.09375 = fieldNorm(doc=6415)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Date
    29. 3.2002 17:24:03
  11. Cole, C.: Intelligent information retrieval: diagnosing information need : Part II: uncertainty expansion in a prototype of a diagnostic IR tool (1998) 0.00 
    0.0042737834 = product of:
  0.017095134 = sum of:
    0.017095134 = product of:
      0.051285397 = sum of:
        0.051285397 = weight(_text_:29 in 6432) [ClassicSimilarity], result of:
          0.051285397 = score(doc=6432,freq=2.0), product of:
            0.10996392 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.03126029 = queryNorm
            0.46638384 = fieldWeight in 6432, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.09375 = fieldNorm(doc=6432)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Date
    11. 8.2001 14:48:29
  12. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.00 
    0.0042353375 = product of:
  0.01694135 = sum of:
    0.01694135 = product of:
      0.0338827 = sum of:
        0.0338827 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
          0.0338827 = score(doc=5108,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    20. 1.2007 18:30:22
  13. Faloutsos, C.: Signature files (1992) 0.00 
    0.0042353375 = product of:
  0.01694135 = sum of:
    0.01694135 = product of:
      0.0338827 = sum of:
        0.0338827 = weight(_text_:22 in 3499) [ClassicSimilarity], result of:
          0.0338827 = score(doc=3499,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    7. 5.1999 15:22:48
  14. Losada, D.E.; Barreiro, A.: Emebedding term similarity and inverse document frequency into a logical model of information retrieval (2003) 0.00 
    0.0042353375 = product of:
  0.01694135 = sum of:
    0.01694135 = product of:
      0.0338827 = sum of:
        0.0338827 = weight(_text_:22 in 1422) [ClassicSimilarity], result of:
          0.0338827 = score(doc=1422,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    22. 3.2003 19:27:23
  15. Bornmann, L.; Mutz, R.: From P100 to P100' : a new citation-rank approach (2014) 0.00 
    0.0042353375 = product of:
  0.01694135 = sum of:
    0.01694135 = product of:
      0.0338827 = sum of:
        0.0338827 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
          0.0338827 = score(doc=1431,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    22. 8.2014 17:05:18
  16. Tober, M.; Hennig, L.; Furch, D.: SEO Ranking-Faktoren und Rang-Korrelationen 2014 : Google Deutschland (2014) 0.00 
    0.0042353375 = product of:
  0.01694135 = sum of:
    0.01694135 = product of:
      0.0338827 = sum of:
        0.0338827 = weight(_text_:22 in 1484) [ClassicSimilarity], result of:
          0.0338827 = score(doc=1484,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    13. 9.2014 14:45:22
  17. Ravana, S.D.; Rajagopal, P.; Balakrishnan, V.: Ranking retrieval systems using pseudo relevance judgments (2015) 0.00 
    0.003743545 = product of:
  0.01497418 = sum of:
    0.01497418 = product of:
      0.02994836 = sum of:
        0.02994836 = weight(_text_:22 in 2591) [ClassicSimilarity], result of:
          0.02994836 = score(doc=2591,freq=4.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = queryNorm
            0.27358043 = fieldWeight in 2591, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0390625 = fieldNorm(doc=2591)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    20. 1.2015 18:30:22
    18. 9.2018 18:22:56
  18. Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998) 0.00 
    0.0037059204 = product of:
  0.014823682 = sum of:
    0.014823682 = product of:
      0.029647363 = sum of:
        0.029647363 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
          0.029647363 = score(doc=1319,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
  0.25 = coord(1/4)
    Date
    1. 8.1996 22:08:06
  19. Kanaeva, Z.: Ranking: Google und CiteSeer (2005) 0.00 
    0.0037059204 = product of:
  0.014823682 = sum of:
    0.014823682 = product of:
      0.029647363 = sum of:
        0.029647363 = weight(_text_:22 in 3276) [ClassicSimilarity], result of:
          0.029647363 = score(doc=3276,freq=2.0), product of:
            0.10946821 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.03126029 = 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)
      0.5 = coord(1/2)
  0.25 = coord(1/4)
    Date
    20. 3.2005 16:23:22
  20. Zhang, W.; Korf, R.E.: Performance of linear-space search algorithms (1995) 0.00 
    0.0035614863 = product of:
  0.014245945 = sum of:
    0.014245945 = product of:
      0.042737834 = sum of:
        0.042737834 = weight(_text_:29 in 4744) [ClassicSimilarity], result of:
          0.042737834 = score(doc=4744,freq=2.0), product of:
            0.10996392 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.03126029 = queryNorm
            0.38865322 = fieldWeight in 4744, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.078125 = fieldNorm(doc=4744)
      0.33333334 = coord(1/3)
  0.25 = coord(1/4)
    Date
    2. 8.1996 10:29:15

Authors

Years

Languages

  • e 51
  • d 11
  • pt 1
  • More… Less…

Types

  • a 60
  • el 1
  • m 1
  • r 1
  • x 1
  • More… Less…

Themes

Subjects

Classifications