Search (4 results, page 1 of 1)

  • × language_ss:"e"
  • × theme_ss:"Retrievalalgorithmen"
  • × year_i:[1980 TO 1990}
  1. Perry, R.; Willett, P.: ¬A revies of the use of inverted files for best match searching in information retrieval systems (1983) 0.01
    0.0147284595 = product of:
      0.088370755 = sum of:
        0.088370755 = weight(_text_:searching in 2701) [ClassicSimilarity], result of:
          0.088370755 = score(doc=2701,freq=2.0), product of:
            0.14122958 = queryWeight, product of:
              4.0452914 = idf(docFreq=2103, maxDocs=44218)
              0.03491209 = queryNorm
            0.6257241 = fieldWeight in 2701, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.0452914 = idf(docFreq=2103, maxDocs=44218)
              0.109375 = fieldNorm(doc=2701)
      0.16666667 = coord(1/6)
    
  2. Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984) 0.01
    0.0147284595 = product of:
      0.088370755 = sum of:
        0.088370755 = weight(_text_:searching in 788) [ClassicSimilarity], result of:
          0.088370755 = score(doc=788,freq=2.0), product of:
            0.14122958 = queryWeight, product of:
              4.0452914 = idf(docFreq=2103, maxDocs=44218)
              0.03491209 = queryNorm
            0.6257241 = fieldWeight in 788, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.0452914 = idf(docFreq=2103, maxDocs=44218)
              0.109375 = fieldNorm(doc=788)
      0.16666667 = coord(1/6)
    
  3. Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986) 0.01
    0.0063068084 = product of:
      0.03784085 = sum of:
        0.03784085 = product of:
          0.0756817 = sum of:
            0.0756817 = weight(_text_:22 in 402) [ClassicSimilarity], result of:
              0.0756817 = score(doc=402,freq=2.0), product of:
                0.1222562 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03491209 = 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)
      0.16666667 = coord(1/6)
    
    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
    0.005518458 = product of:
      0.033110745 = sum of:
        0.033110745 = product of:
          0.06622149 = sum of:
            0.06622149 = weight(_text_:22 in 2134) [ClassicSimilarity], result of:
              0.06622149 = score(doc=2134,freq=2.0), product of:
                0.1222562 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03491209 = 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)
      0.16666667 = coord(1/6)
    
    Date
    30. 3.2001 13:32:22