Search (6 results, page 1 of 1)

  • × theme_ss:"Retrievalalgorithmen"
  • × year_i:[1980 TO 1990}
  1. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.02 
    0.020296646 = product of:
  0.040593293 = sum of:
    0.040593293 = product of:
      0.081186585 = sum of:
        0.081186585 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
          0.081186585 = score(doc=402,freq=2.0), product of:
            0.13114879 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037451506 = 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)
  0.5 = coord(1/2)
    Source
    Information processing and management. 22(1986) no.6, S.465-476
  2. Rada, R.; Bicknell, E.: Ranking documents with a thesaurus (1989) 0.02 
    0.018136691 = product of:
  0.036273383 = sum of:
    0.036273383 = product of:
      0.072546765 = sum of:
        0.072546765 = weight(_text_:r in 6908) [ClassicSimilarity], result of:
          0.072546765 = score(doc=6908,freq=2.0), product of:
            0.12397416 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.037451506 = queryNorm
            0.5851765 = fieldWeight in 6908, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.125 = fieldNorm(doc=6908)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  3. Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983) 0.02 
    0.017759565 = product of:
  0.03551913 = sum of:
    0.03551913 = product of:
      0.07103826 = sum of:
        0.07103826 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
          0.07103826 = score(doc=2134,freq=2.0), product of:
            0.13114879 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037451506 = 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)
  0.5 = coord(1/2)
    Date
    30. 3.2001 13:32:22
  4. Perry, R.; Willett, P.: ¬A revies of the use of inverted files for best match searching in information retrieval systems (1983) 0.02 
    0.015869606 = product of:
  0.031739213 = sum of:
    0.031739213 = product of:
      0.063478425 = sum of:
        0.063478425 = weight(_text_:r in 2701) [ClassicSimilarity], result of:
          0.063478425 = score(doc=2701,freq=2.0), product of:
            0.12397416 = queryWeight, product of:
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.037451506 = queryNorm
            0.51202947 = fieldWeight in 2701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.3102584 = idf(docFreq=4387, maxDocs=44218)
              0.109375 = fieldNorm(doc=2701)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  5. Fuhr, N.: Ranking-Experimente mit gewichteter Indexierung (1986) 0.02 
    0.015222485 = product of:
  0.03044497 = sum of:
    0.03044497 = product of:
      0.06088994 = sum of:
        0.06088994 = weight(_text_:22 in 58) [ClassicSimilarity], result of:
          0.06088994 = score(doc=58,freq=2.0), product of:
            0.13114879 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037451506 = 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)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:44
  6. Fuhr, N.: Rankingexperimente mit gewichteter Indexierung (1986) 0.02 
    0.015222485 = product of:
  0.03044497 = sum of:
    0.03044497 = product of:
      0.06088994 = sum of:
        0.06088994 = weight(_text_:22 in 2051) [ClassicSimilarity], result of:
          0.06088994 = score(doc=2051,freq=2.0), product of:
            0.13114879 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.037451506 = 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)
  0.5 = coord(1/2)
    Date
    14. 6.2015 22:12:56

Authors

Languages

Themes