Search (15 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × type_ss:"a"
  • × year_i:[1980 TO 1990}
  1. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.04 
    0.03844805 = product of:
  0.0768961 = sum of:
    0.0768961 = product of:
      0.11534415 = sum of:
        0.016631123 = weight(_text_:e in 402) [ClassicSimilarity], result of:
          0.016631123 = score(doc=402,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2540935 = fieldWeight in 402, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=402)
        0.098713025 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
          0.098713025 = score(doc=402,freq=2.0), product of:
            0.15946099 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04553648 = 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)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Language
    e
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  2. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.03 
    0.033642046 = product of:
  0.06728409 = sum of:
    0.06728409 = product of:
      0.10092613 = sum of:
        0.014552233 = weight(_text_:e in 2134) [ClassicSimilarity], result of:
          0.014552233 = score(doc=2134,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2223318 = fieldWeight in 2134, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.109375 = fieldNorm(doc=2134)
        0.086373895 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
          0.086373895 = score(doc=2134,freq=2.0), product of:
            0.15946099 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04553648 = 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)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
    Date
    30. 3.2001 13:32:22
    Language
    e
  3. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.01 
    0.012339129 = product of:
  0.024678258 = sum of:
    0.024678258 = product of:
      0.07403477 = sum of:
        0.07403477 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.07403477 = score(doc=58,freq=2.0), product of:
            0.15946099 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04553648 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:44
  4. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.01 
    0.012339129 = product of:
  0.024678258 = sum of:
    0.024678258 = product of:
      0.07403477 = sum of:
        0.07403477 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.07403477 = score(doc=2051,freq=2.0), product of:
            0.15946099 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04553648 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:56
  5. Rada, R.; Bicknell, E.: Ranking documents with a thesaurus (1989) 0.00 
    0.0039199935 = product of:
  0.007839987 = sum of:
    0.007839987 = product of:
      0.023519961 = sum of:
        0.023519961 = weight(_text_:e in 6908) [ClassicSimilarity], result of:
          0.023519961 = score(doc=6908,freq=4.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.3593425 = fieldWeight in 6908, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=6908)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  6. Salton, G.; Buckley, C.: Parallel text search methods (1988) 0.00 
    0.002771854 = product of:
  0.005543708 = sum of:
    0.005543708 = product of:
      0.016631123 = sum of:
        0.016631123 = weight(_text_:e in 404) [ClassicSimilarity], result of:
          0.016631123 = score(doc=404,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2540935 = fieldWeight in 404, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=404)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  7. Wu, H.; Salton, G.: ¬The estimation of term relevance weights using relevance feedback (1981) 0.00 
    0.002771854 = product of:
  0.005543708 = sum of:
    0.005543708 = product of:
      0.016631123 = sum of:
        0.016631123 = weight(_text_:e in 4728) [ClassicSimilarity], result of:
          0.016631123 = score(doc=4728,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2540935 = fieldWeight in 4728, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=4728)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  8. Salton, G.: ¬A simple blueprint for automatic Boolean query processing (1988) 0.00 
    0.002771854 = product of:
  0.005543708 = sum of:
    0.005543708 = product of:
      0.016631123 = sum of:
        0.016631123 = weight(_text_:e in 6774) [ClassicSimilarity], result of:
          0.016631123 = score(doc=6774,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2540935 = fieldWeight in 6774, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=6774)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  9. Kantor, P.B.: ¬The logic of weighted queries (1981) 0.00 
    0.002771854 = product of:
  0.005543708 = sum of:
    0.005543708 = product of:
      0.016631123 = sum of:
        0.016631123 = weight(_text_:e in 7622) [ClassicSimilarity], result of:
          0.016631123 = score(doc=7622,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2540935 = fieldWeight in 7622, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.125 = fieldNorm(doc=7622)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  10. Perry, R.; Willett, P.: ¬A revies of the use of inverted files for best match searching in information retrieval systems (1983) 0.00 
    0.0024253721 = product of:
  0.0048507443 = sum of:
    0.0048507443 = product of:
      0.014552233 = sum of:
        0.014552233 = weight(_text_:e in 2701) [ClassicSimilarity], result of:
          0.014552233 = score(doc=2701,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2223318 = fieldWeight in 2701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.109375 = fieldNorm(doc=2701)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  11. Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984) 0.00 
    0.0024253721 = product of:
  0.0048507443 = sum of:
    0.0048507443 = product of:
      0.014552233 = sum of:
        0.014552233 = weight(_text_:e in 788) [ClassicSimilarity], result of:
          0.014552233 = score(doc=788,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.2223318 = fieldWeight in 788, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.109375 = fieldNorm(doc=788)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  12. Ro, J.S.: ¬An evaluation of the applicability of ranking algorithms to improve the effectiveness of full-text retrieval : 1. On the effectiveness of full-text retrieval (1988) 0.00 
    0.0020788903 = product of:
  0.0041577807 = sum of:
    0.0041577807 = product of:
      0.012473342 = sum of:
        0.012473342 = weight(_text_:e in 4030) [ClassicSimilarity], result of:
          0.012473342 = score(doc=4030,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.19057012 = fieldWeight in 4030, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=4030)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  13. Salton, G.; Buckley, C.: Term-weighting approaches in automatic text retrieval (1988) 0.00 
    0.0020788903 = product of:
  0.0041577807 = sum of:
    0.0041577807 = product of:
      0.012473342 = sum of:
        0.012473342 = weight(_text_:e in 1938) [ClassicSimilarity], result of:
          0.012473342 = score(doc=1938,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.19057012 = fieldWeight in 1938, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.09375 = fieldNorm(doc=1938)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  14. Srinivasan, P.: Intelligent information retrieval using rough set approximations (1989) 0.00 
    0.0012126861 = product of:
  0.0024253721 = sum of:
    0.0024253721 = product of:
      0.0072761164 = sum of:
        0.0072761164 = weight(_text_:e in 2526) [ClassicSimilarity], result of:
          0.0072761164 = score(doc=2526,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.1111659 = fieldWeight in 2526, 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=2526)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e
  15. Deerwester, S.; Dumais, S.; Landauer, T.; Furnass, G.; Beck, L.: Improving information retrieval with latent semantic indexing (1988) 0.00 
    0.0010394452 = product of:
  0.0020788903 = sum of:
    0.0020788903 = product of:
      0.006236671 = sum of:
        0.006236671 = weight(_text_:e in 2396) [ClassicSimilarity], result of:
          0.006236671 = score(doc=2396,freq=2.0), product of:
            0.06545277 = queryWeight, product of:
              1.43737 = idf(docFreq=28552, maxDocs=44218)
              0.04553648 = queryNorm
            0.09528506 = fieldWeight in 2396, 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=2396)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
    Language
    e

Authors

Languages

  • e 13
  • d 2

Themes