Search (66 results, page 1 of 4)

  • × theme_ss:"Retrievalalgorithmen"
  1. Kanaeva, Z.: Ranking: Google und CiteSeer (2005) 0.04 
    0.035282582 = product of:
  0.088206455 = sum of:
    0.03872521 = weight(_text_:21 in 3276) [ClassicSimilarity], result of:
      0.03872521 = score(doc=3276,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.23959327 = fieldWeight in 3276, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.0546875 = fieldNorm(doc=3276)
    0.04948125 = weight(_text_:22 in 3276) [ClassicSimilarity], result of:
      0.04948125 = score(doc=3276,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.4 = coord(2/5)
    Date
    21. 2.1997 19:37:24
    20. 3.2005 16:23:22
  2. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.02 
    0.022620002 = product of:
  0.11310001 = sum of:
    0.11310001 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
      0.11310001 = score(doc=402,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  3. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.02 
    0.0197925 = product of:
  0.0989625 = sum of:
    0.0989625 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
      0.0989625 = score(doc=2134,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Date
    30. 3.2001 13:32:22
  4. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.02 
    0.0197925 = product of:
  0.0989625 = sum of:
    0.0989625 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
      0.0989625 = score(doc=3445,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Date
    25. 8.2005 17:42:22
  5. Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972) 0.02 
    0.017702952 = product of:
  0.08851476 = sum of:
    0.08851476 = weight(_text_:21 in 5187) [ClassicSimilarity], result of:
      0.08851476 = score(doc=5187,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.54764175 = fieldWeight in 5187, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.125 = fieldNorm(doc=5187)
  0.2 = coord(1/5)
    Source
    Journal of documentation. 28(1972), S.11-21
  6. Davis, C.H.: Beyond Boole : the next logical step (1995) 0.02 
    0.017702952 = product of:
  0.08851476 = sum of:
    0.08851476 = weight(_text_:21 in 3550) [ClassicSimilarity], result of:
      0.08851476 = score(doc=3550,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.54764175 = fieldWeight in 3550, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.125 = fieldNorm(doc=3550)
  0.2 = coord(1/5)
    Source
    Bulletin of the American Society for Information Science. 21(1995), S.17-20
  7. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.02 
    0.016965 = product of:
  0.084825 = sum of:
    0.084825 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
      0.084825 = score(doc=58,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Date
    14. 6.2015 22:12:44
  8. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.02 
    0.016965 = product of:
  0.084825 = sum of:
    0.084825 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
      0.084825 = score(doc=2051,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Date
    14. 6.2015 22:12:56
  9. Ziegler, B.: ESS: ein schneller Algorithmus zur Mustersuche in Zeichenfolgen (1996) 0.02 
    0.015490084 = product of:
  0.07745042 = sum of:
    0.07745042 = weight(_text_:21 in 7543) [ClassicSimilarity], result of:
      0.07745042 = score(doc=7543,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.47918653 = fieldWeight in 7543, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.109375 = fieldNorm(doc=7543)
  0.2 = coord(1/5)
    Date
    26. 5.1997 21:19:14
  10. Tseng, Y.H.; Lin, Y.I.: Evaluation of fuzzy search, term suggestion, and term relevance feedback in an OPAC system (1998) 0.01 
    0.013277213 = product of:
  0.06638607 = sum of:
    0.06638607 = weight(_text_:21 in 6430) [ClassicSimilarity], result of:
      0.06638607 = score(doc=6430,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.41073132 = fieldWeight in 6430, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.09375 = fieldNorm(doc=6430)
  0.2 = coord(1/5)
    Date
    13. 5.1996 21:43:23
  11. White, H. D.: Co-cited author retrieval and relevance theory : examples from the humanities (2015) 0.01 
    0.013277213 = product of:
  0.06638607 = sum of:
    0.06638607 = weight(_text_:21 in 1687) [ClassicSimilarity], result of:
      0.06638607 = score(doc=1687,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.41073132 = fieldWeight in 1687, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.09375 = fieldNorm(doc=1687)
  0.2 = coord(1/5)
    Date
    21. 2.2015 14:20:32
  12. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01 
    0.011310001 = product of:
  0.056550004 = sum of:
    0.056550004 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
      0.056550004 = score(doc=5108,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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
  13. Faloutsos, C.: Signature files (1992) 0.01 
    0.011310001 = product of:
  0.056550004 = sum of:
    0.056550004 = weight(_text_:22 in 3499) [ClassicSimilarity], result of:
      0.056550004 = score(doc=3499,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    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) 0.01 
    0.011310001 = product of:
  0.056550004 = sum of:
    0.056550004 = weight(_text_:22 in 1422) [ClassicSimilarity], result of:
      0.056550004 = score(doc=1422,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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
  15. Bornmann, L.; Mutz, R.: From P100 to P100' : a new citation-rank approach (2014) 0.01 
    0.011310001 = product of:
  0.056550004 = sum of:
    0.056550004 = weight(_text_:22 in 1431) [ClassicSimilarity], result of:
      0.056550004 = score(doc=1431,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Date
    22. 8.2014 17:05:18
  16. Tober, M.; Hennig, L.; Furch, D.: SEO Ranking-Faktoren und Rang-Korrelationen 2014 : Google Deutschland (2014) 0.01 
    0.011310001 = product of:
  0.056550004 = sum of:
    0.056550004 = weight(_text_:22 in 1484) [ClassicSimilarity], result of:
      0.056550004 = score(doc=1484,freq=2.0), product of:
        0.1827017 = queryWeight, product of:
          3.5018296 = idf(docFreq=3622, maxDocs=44218)
          0.052173212 = 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)
  0.2 = coord(1/5)
    Date
    13. 9.2014 14:45:22
  17. Koopman, R.: ¬Ein OPAC mit Gewichtungsalgorithmen : Der PICA Micro OPC (1996) 0.01 
    0.011064345 = product of:
  0.055321723 = sum of:
    0.055321723 = weight(_text_:21 in 4114) [ClassicSimilarity], result of:
      0.055321723 = score(doc=4114,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.3422761 = fieldWeight in 4114, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.078125 = fieldNorm(doc=4114)
  0.2 = coord(1/5)
    Source
    Zukunft der Sacherschließung im OPAC: Vorträge des 2. Düsseldorfer OPAC-Kolloquiums am 21. Juni 1995. Hrsg.: E. Niggemann u. K. Lepsky
  18. Dreßler, H.: Fuzzy Information Retrieval (2008) 0.01 
    0.011064345 = product of:
  0.055321723 = sum of:
    0.055321723 = weight(_text_:21 in 2300) [ClassicSimilarity], result of:
      0.055321723 = score(doc=2300,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.3422761 = fieldWeight in 2300, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.078125 = fieldNorm(doc=2300)
  0.2 = coord(1/5)
    Date
    21. 2.1997 19:37:24
  19. Bar-Ilan, J.; Levene, M.: ¬The hw-rank : an h-index variant for ranking web pages (2015) 0.01 
    0.011064345 = product of:
  0.055321723 = sum of:
    0.055321723 = weight(_text_:21 in 1694) [ClassicSimilarity], result of:
      0.055321723 = score(doc=1694,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.3422761 = fieldWeight in 1694, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.078125 = fieldNorm(doc=1694)
  0.2 = coord(1/5)
    Date
    21. 2.2015 14:32:59
  20. Karlsson, A.; Hammarfelt, B.; Steinhauer, H.J.; Falkman, G.; Olson, N.; Nelhans, G.; Nolin, J.: Modeling uncertainty in bibliometrics and information retrieval : an information fusion approach (2015) 0.01 
    0.011064345 = product of:
  0.055321723 = sum of:
    0.055321723 = weight(_text_:21 in 1696) [ClassicSimilarity], result of:
      0.055321723 = score(doc=1696,freq=2.0), product of:
        0.16162895 = queryWeight, product of:
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.052173212 = queryNorm
        0.3422761 = fieldWeight in 1696, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          3.0979297 = idf(docFreq=5425, maxDocs=44218)
          0.078125 = fieldNorm(doc=1696)
  0.2 = coord(1/5)
    Date
    21. 2.2015 14:19:14

Authors

Years

Languages

  • e 54
  • d 10
  • chi 2
  • More… Less…

Types

  • a 62
  • m 2
  • r 1
  • s 1
  • x 1
  • More… Less…

Themes

Subjects

Classifications