Document (#1357)

Author
Salton, G.
Title
Another look at automatic text-retrieval systems
Source
Communications of the Association for Computing Machinery. 29(1986), S.648-656
Year
1986
Footnote
Bezugnahme auf: Blair, D.C.: An evaluation of retrieval effectiveness for a full-text document-retrieval system. Comm. ACM 28(1985) S.280-299. - Vgl. auch: Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23; Blair, D.C., M.E. Maron: full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
Theme
Automatisches Indexieren
Volltextretrieval

Similar documents (author)

  1. Salton, G.: ¬A new comparison between conventional indexing (MEDLARS) and automatic text processing (SMART) (1972) 4.87
    4.8655405 = sum of:
      4.8655405 = weight(author_txt:salton in 2325) [ClassicSimilarity], result of:
        4.8655405 = fieldWeight in 2325, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.7848644 = idf(docFreq=49, maxDocs=44218)
          0.625 = fieldNorm(doc=2325)
    
  2. Salton, G.: Future prospects for text-based information retrieval (1990) 4.87
    4.8655405 = sum of:
      4.8655405 = weight(author_txt:salton in 2327) [ClassicSimilarity], result of:
        4.8655405 = fieldWeight in 2327, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.7848644 = idf(docFreq=49, maxDocs=44218)
          0.625 = fieldNorm(doc=2327)
    
  3. Salton, G.: Fast document classification in automatic information retrieval (1978) 4.87
    4.8655405 = sum of:
      4.8655405 = weight(author_txt:salton in 2331) [ClassicSimilarity], result of:
        4.8655405 = fieldWeight in 2331, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.7848644 = idf(docFreq=49, maxDocs=44218)
          0.625 = fieldNorm(doc=2331)
    
  4. Salton, G.: Expert systems and information retrieval (1987) 4.87
    4.8655405 = sum of:
      4.8655405 = weight(author_txt:salton in 2837) [ClassicSimilarity], result of:
        4.8655405 = fieldWeight in 2837, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.7848644 = idf(docFreq=49, maxDocs=44218)
          0.625 = fieldNorm(doc=2837)
    
  5. Salton, G.: Historical note: the past thirty years in information retrieval (1987) 4.87
    4.8655405 = sum of:
      4.8655405 = weight(author_txt:salton in 3910) [ClassicSimilarity], result of:
        4.8655405 = fieldWeight in 3910, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.7848644 = idf(docFreq=49, maxDocs=44218)
          0.625 = fieldNorm(doc=3910)
    

Similar documents (content)

  1. Buckland, M.K.: Partnerships in navigation : an information retrieval research agenda (1995) 0.59
    0.5899352 = sum of:
      0.5899352 = product of:
        0.8849027 = sum of:
          0.06273415 = weight(abstract_txt:systems in 3849) [ClassicSimilarity], result of:
            0.06273415 = score(doc=3849,freq=1.0), product of:
              0.19612782 = queryWeight, product of:
                3.4118783 = idf(docFreq=3963, maxDocs=44218)
                0.057483826 = queryNorm
              0.3198636 = fieldWeight in 3849, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4118783 = idf(docFreq=3963, maxDocs=44218)
                0.09375 = fieldNorm(doc=3849)
          0.066288784 = weight(abstract_txt:retrieval in 3849) [ClassicSimilarity], result of:
            0.066288784 = score(doc=3849,freq=1.0), product of:
              0.20346822 = queryWeight, product of:
                1.0185415 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.057483826 = queryNorm
              0.3257943 = fieldWeight in 3849, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.09375 = fieldNorm(doc=3849)
          0.25912645 = weight(abstract_txt:another in 3849) [ClassicSimilarity], result of:
            0.25912645 = score(doc=3849,freq=1.0), product of:
              0.5049066 = queryWeight, product of:
                1.604486 = boost
                5.474311 = idf(docFreq=503, maxDocs=44218)
                0.057483826 = queryNorm
              0.5132166 = fieldWeight in 3849, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.474311 = idf(docFreq=503, maxDocs=44218)
                0.09375 = fieldNorm(doc=3849)
          0.49675333 = weight(abstract_txt:look in 3849) [ClassicSimilarity], result of:
            0.49675333 = score(doc=3849,freq=2.0), product of:
              0.618425 = queryWeight, product of:
                1.7757177 = boost
                6.0585327 = idf(docFreq=280, maxDocs=44218)
                0.057483826 = queryNorm
              0.80325556 = fieldWeight in 3849, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.0585327 = idf(docFreq=280, maxDocs=44218)
                0.09375 = fieldNorm(doc=3849)
        0.6666667 = coord(4/6)
    
  2. Smeaton, A.F.: Progress in the application of natural language processing to information retrieval tasks (1992) 0.53
    0.52729404 = sum of:
      0.52729404 = product of:
        1.0545881 = sum of:
          0.13257757 = weight(abstract_txt:retrieval in 7080) [ClassicSimilarity], result of:
            0.13257757 = score(doc=7080,freq=1.0), product of:
              0.20346822 = queryWeight, product of:
                1.0185415 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.057483826 = queryNorm
              0.6515886 = fieldWeight in 7080, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.1875 = fieldNorm(doc=7080)
          0.2954329 = weight(abstract_txt:text in 7080) [ClassicSimilarity], result of:
            0.2954329 = score(doc=7080,freq=2.0), product of:
              0.27551532 = queryWeight, product of:
                1.1852318 = boost
                4.0438666 = idf(docFreq=2106, maxDocs=44218)
                0.057483826 = queryNorm
              1.0722921 = fieldWeight in 7080, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.0438666 = idf(docFreq=2106, maxDocs=44218)
                0.1875 = fieldNorm(doc=7080)
          0.6265777 = weight(abstract_txt:automatic in 7080) [ClassicSimilarity], result of:
            0.6265777 = score(doc=7080,freq=2.0), product of:
              0.45480284 = queryWeight, product of:
                1.5227969 = boost
                5.1955976 = idf(docFreq=665, maxDocs=44218)
                0.057483826 = queryNorm
              1.3776908 = fieldWeight in 7080, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.1955976 = idf(docFreq=665, maxDocs=44218)
                0.1875 = fieldNorm(doc=7080)
        0.5 = coord(3/6)
    
  3. Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998) 0.49
    0.48844215 = sum of:
      0.48844215 = product of:
        0.7326632 = sum of:
          0.07318984 = weight(abstract_txt:systems in 4715) [ClassicSimilarity], result of:
            0.07318984 = score(doc=4715,freq=1.0), product of:
              0.19612782 = queryWeight, product of:
                3.4118783 = idf(docFreq=3963, maxDocs=44218)
                0.057483826 = queryNorm
              0.3731742 = fieldWeight in 4715, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4118783 = idf(docFreq=3963, maxDocs=44218)
                0.109375 = fieldNorm(doc=4715)
          0.07733692 = weight(abstract_txt:retrieval in 4715) [ClassicSimilarity], result of:
            0.07733692 = score(doc=4715,freq=1.0), product of:
              0.20346822 = queryWeight, product of:
                1.0185415 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.057483826 = queryNorm
              0.38009337 = fieldWeight in 4715, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.109375 = fieldNorm(doc=4715)
          0.17233586 = weight(abstract_txt:text in 4715) [ClassicSimilarity], result of:
            0.17233586 = score(doc=4715,freq=2.0), product of:
              0.27551532 = queryWeight, product of:
                1.1852318 = boost
                4.0438666 = idf(docFreq=2106, maxDocs=44218)
                0.057483826 = queryNorm
              0.6255037 = fieldWeight in 4715, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.0438666 = idf(docFreq=2106, maxDocs=44218)
                0.109375 = fieldNorm(doc=4715)
          0.4098006 = weight(abstract_txt:look in 4715) [ClassicSimilarity], result of:
            0.4098006 = score(doc=4715,freq=1.0), product of:
              0.618425 = queryWeight, product of:
                1.7757177 = boost
                6.0585327 = idf(docFreq=280, maxDocs=44218)
                0.057483826 = queryNorm
              0.662652 = fieldWeight in 4715, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.0585327 = idf(docFreq=280, maxDocs=44218)
                0.109375 = fieldNorm(doc=4715)
        0.6666667 = coord(4/6)
    
  4. Khoo, S.G.; Na, J.-C.: Semantic relations in information science (2006) 0.45
    0.45235834 = sum of:
      0.45235834 = sum of:
        0.020911383 = weight(abstract_txt:systems in 1978) [ClassicSimilarity], result of:
          0.020911383 = score(doc=1978,freq=1.0), product of:
            0.19612782 = queryWeight, product of:
              3.4118783 = idf(docFreq=3963, maxDocs=44218)
              0.057483826 = queryNorm
            0.1066212 = fieldWeight in 1978, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              3.4118783 = idf(docFreq=3963, maxDocs=44218)
              0.03125 = fieldNorm(doc=1978)
        0.038271848 = weight(abstract_txt:retrieval in 1978) [ClassicSimilarity], result of:
          0.038271848 = score(doc=1978,freq=3.0), product of:
            0.20346822 = queryWeight, product of:
              1.0185415 = boost
              3.4751394 = idf(docFreq=3720, maxDocs=44218)
              0.057483826 = queryNorm
            0.18809743 = fieldWeight in 1978, product of:
              1.7320508 = tf(freq=3.0), with freq of:
                3.0 = termFreq=3.0
              3.4751394 = idf(docFreq=3720, maxDocs=44218)
              0.03125 = fieldNorm(doc=1978)
        0.08528413 = weight(abstract_txt:text in 1978) [ClassicSimilarity], result of:
          0.08528413 = score(doc=1978,freq=6.0), product of:
            0.27551532 = queryWeight, product of:
              1.1852318 = boost
              4.0438666 = idf(docFreq=2106, maxDocs=44218)
              0.057483826 = queryNorm
            0.30954406 = fieldWeight in 1978, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              4.0438666 = idf(docFreq=2106, maxDocs=44218)
              0.03125 = fieldNorm(doc=1978)
        0.10442962 = weight(abstract_txt:automatic in 1978) [ClassicSimilarity], result of:
          0.10442962 = score(doc=1978,freq=2.0), product of:
            0.45480284 = queryWeight, product of:
              1.5227969 = boost
              5.1955976 = idf(docFreq=665, maxDocs=44218)
              0.057483826 = queryNorm
            0.22961514 = fieldWeight in 1978, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.1955976 = idf(docFreq=665, maxDocs=44218)
              0.03125 = fieldNorm(doc=1978)
        0.08637549 = weight(abstract_txt:another in 1978) [ClassicSimilarity], result of:
          0.08637549 = score(doc=1978,freq=1.0), product of:
            0.5049066 = queryWeight, product of:
              1.604486 = boost
              5.474311 = idf(docFreq=503, maxDocs=44218)
              0.057483826 = queryNorm
            0.17107221 = fieldWeight in 1978, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              5.474311 = idf(docFreq=503, maxDocs=44218)
              0.03125 = fieldNorm(doc=1978)
        0.11708588 = weight(abstract_txt:look in 1978) [ClassicSimilarity], result of:
          0.11708588 = score(doc=1978,freq=1.0), product of:
            0.618425 = queryWeight, product of:
              1.7757177 = boost
              6.0585327 = idf(docFreq=280, maxDocs=44218)
              0.057483826 = queryNorm
            0.18932915 = fieldWeight in 1978, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.0585327 = idf(docFreq=280, maxDocs=44218)
              0.03125 = fieldNorm(doc=1978)
    
  5. Hersh, W.R.; Hickam, D.H.: ¬A comparison of two methods for indexing and retrieval from a full-text medical database (1992) 0.41
    0.41418347 = sum of:
      0.41418347 = product of:
        0.6212752 = sum of:
          0.08871949 = weight(abstract_txt:systems in 4526) [ClassicSimilarity], result of:
            0.08871949 = score(doc=4526,freq=2.0), product of:
              0.19612782 = queryWeight, product of:
                3.4118783 = idf(docFreq=3963, maxDocs=44218)
                0.057483826 = queryNorm
              0.45235544 = fieldWeight in 4526, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4118783 = idf(docFreq=3963, maxDocs=44218)
                0.09375 = fieldNorm(doc=4526)
          0.11481555 = weight(abstract_txt:retrieval in 4526) [ClassicSimilarity], result of:
            0.11481555 = score(doc=4526,freq=3.0), product of:
              0.20346822 = queryWeight, product of:
                1.0185415 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.057483826 = queryNorm
              0.5642923 = fieldWeight in 4526, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.09375 = fieldNorm(doc=4526)
          0.1044513 = weight(abstract_txt:text in 4526) [ClassicSimilarity], result of:
            0.1044513 = score(doc=4526,freq=1.0), product of:
              0.27551532 = queryWeight, product of:
                1.1852318 = boost
                4.0438666 = idf(docFreq=2106, maxDocs=44218)
                0.057483826 = queryNorm
              0.37911248 = fieldWeight in 4526, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.0438666 = idf(docFreq=2106, maxDocs=44218)
                0.09375 = fieldNorm(doc=4526)
          0.31328884 = weight(abstract_txt:automatic in 4526) [ClassicSimilarity], result of:
            0.31328884 = score(doc=4526,freq=2.0), product of:
              0.45480284 = queryWeight, product of:
                1.5227969 = boost
                5.1955976 = idf(docFreq=665, maxDocs=44218)
                0.057483826 = queryNorm
              0.6888454 = fieldWeight in 4526, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.1955976 = idf(docFreq=665, maxDocs=44218)
                0.09375 = fieldNorm(doc=4526)
        0.6666667 = coord(4/6)