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) 4.86
    4.856112 = sum of:
      4.856112 = weight(author_txt:salton in 2325) [ClassicSimilarity], result of:
        4.856112 = score(doc=2325,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.12870377 = queryNorm
          4.8561125 = fieldWeight in 2325, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.625 = fieldNorm(doc=2325)
    
  2. Salton, G.: Future prospects for text-based information retrieval (1990) 4.86
    4.856112 = sum of:
      4.856112 = weight(author_txt:salton in 2327) [ClassicSimilarity], result of:
        4.856112 = score(doc=2327,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.12870377 = queryNorm
          4.8561125 = fieldWeight in 2327, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.625 = fieldNorm(doc=2327)
    
  3. Salton, G.: Fast document classification in automatic information retrieval (1978) 4.86
    4.856112 = sum of:
      4.856112 = weight(author_txt:salton in 2331) [ClassicSimilarity], result of:
        4.856112 = score(doc=2331,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.12870377 = queryNorm
          4.8561125 = fieldWeight in 2331, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.625 = fieldNorm(doc=2331)
    
  4. Salton, G.: Expert systems and information retrieval (1987) 4.86
    4.856112 = sum of:
      4.856112 = weight(author_txt:salton in 2837) [ClassicSimilarity], result of:
        4.856112 = score(doc=2837,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.12870377 = queryNorm
          4.8561125 = fieldWeight in 2837, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.625 = fieldNorm(doc=2837)
    
  5. Salton, G.: Historical note: the past thirty years in information retrieval (1987) 4.86
    4.856112 = sum of:
      4.856112 = weight(author_txt:salton in 3910) [ClassicSimilarity], result of:
        4.856112 = score(doc=3910,freq=1.0), product of:
          0.99999994 = queryWeight, product of:
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.12870377 = queryNorm
          4.8561125 = fieldWeight in 3910, product of:
            1.0 = tf(freq=1.0), with freq of:
              1.0 = termFreq=1.0
            7.7697797 = idf(docFreq=49, maxDocs=43556)
            0.625 = fieldNorm(doc=3910)
    

Similar documents (content)

  1. Buckland, M.K.: Partnerships in navigation : an information retrieval research agenda (1995) 0.59
    0.58975714 = sum of:
      0.58975714 = product of:
        0.8846357 = sum of:
          0.06293741 = weight(abstract_txt:systems in 3915) [ClassicSimilarity], result of:
            0.06293741 = score(doc=3915,freq=1.0), product of:
              0.19654669 = queryWeight, product of:
                3.4156382 = idf(docFreq=3889, maxDocs=43556)
                0.05754318 = queryNorm
              0.3202161 = fieldWeight in 3915, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4156382 = idf(docFreq=3889, maxDocs=43556)
                0.09375 = fieldNorm(doc=3915)
          0.06621076 = weight(abstract_txt:retrieval in 3915) [ClassicSimilarity], result of:
            0.06621076 = score(doc=3915,freq=1.0), product of:
              0.20330383 = queryWeight, product of:
                1.0170444 = boost
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.05754318 = queryNorm
              0.32567397 = fieldWeight in 3915, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.09375 = fieldNorm(doc=3915)
          0.25895256 = weight(abstract_txt:another in 3915) [ClassicSimilarity], result of:
            0.25895256 = score(doc=3915,freq=1.0), product of:
              0.504669 = queryWeight, product of:
                1.6023983 = boost
                5.4732127 = idf(docFreq=496, maxDocs=43556)
                0.05754318 = queryNorm
              0.5131137 = fieldWeight in 3915, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.4732127 = idf(docFreq=496, maxDocs=43556)
                0.09375 = fieldNorm(doc=3915)
          0.4965349 = weight(abstract_txt:look in 3915) [ClassicSimilarity], result of:
            0.4965349 = score(doc=3915,freq=2.0), product of:
              0.61822945 = queryWeight, product of:
                1.7735441 = boost
                6.057785 = idf(docFreq=276, maxDocs=43556)
                0.05754318 = queryNorm
              0.8031564 = fieldWeight in 3915, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.057785 = idf(docFreq=276, maxDocs=43556)
                0.09375 = fieldNorm(doc=3915)
        0.6666667 = coord(4/6)
    
  2. Smeaton, A.F.: Progress in the application of natural language processing to information retrieval tasks (1992) 0.53
    0.5277994 = sum of:
      0.5277994 = product of:
        1.0555989 = sum of:
          0.13242152 = weight(abstract_txt:retrieval in 7077) [ClassicSimilarity], result of:
            0.13242152 = score(doc=7077,freq=1.0), product of:
              0.20330383 = queryWeight, product of:
                1.0170444 = boost
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.05754318 = queryNorm
              0.65134794 = fieldWeight in 7077, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.1875 = fieldNorm(doc=7077)
          0.2966271 = weight(abstract_txt:text in 7077) [ClassicSimilarity], result of:
            0.2966271 = score(doc=7077,freq=2.0), product of:
              0.2762509 = queryWeight, product of:
                1.1855476 = boost
                4.0494018 = idf(docFreq=2063, maxDocs=43556)
                0.05754318 = queryNorm
              1.0737598 = fieldWeight in 7077, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.0494018 = idf(docFreq=2063, maxDocs=43556)
                0.1875 = fieldNorm(doc=7077)
          0.62655026 = weight(abstract_txt:automatic in 7077) [ClassicSimilarity], result of:
            0.62655026 = score(doc=7077,freq=2.0), product of:
              0.45477903 = queryWeight, product of:
                1.5211335 = boost
                5.195642 = idf(docFreq=655, maxDocs=43556)
                0.05754318 = queryNorm
              1.3777026 = fieldWeight in 7077, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.195642 = idf(docFreq=655, maxDocs=43556)
                0.1875 = fieldNorm(doc=7077)
        0.5 = coord(3/6)
    
  3. Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998) 0.49
    0.48888385 = sum of:
      0.48888385 = product of:
        0.7333258 = sum of:
          0.07342698 = weight(abstract_txt:systems in 713) [ClassicSimilarity], result of:
            0.07342698 = score(doc=713,freq=1.0), product of:
              0.19654669 = queryWeight, product of:
                3.4156382 = idf(docFreq=3889, maxDocs=43556)
                0.05754318 = queryNorm
              0.37358543 = fieldWeight in 713, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4156382 = idf(docFreq=3889, maxDocs=43556)
                0.109375 = fieldNorm(doc=713)
          0.07724589 = weight(abstract_txt:retrieval in 713) [ClassicSimilarity], result of:
            0.07724589 = score(doc=713,freq=1.0), product of:
              0.20330383 = queryWeight, product of:
                1.0170444 = boost
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.05754318 = queryNorm
              0.37995297 = fieldWeight in 713, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.109375 = fieldNorm(doc=713)
          0.17303248 = weight(abstract_txt:text in 713) [ClassicSimilarity], result of:
            0.17303248 = score(doc=713,freq=2.0), product of:
              0.2762509 = queryWeight, product of:
                1.1855476 = boost
                4.0494018 = idf(docFreq=2063, maxDocs=43556)
                0.05754318 = queryNorm
              0.6263599 = fieldWeight in 713, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.0494018 = idf(docFreq=2063, maxDocs=43556)
                0.109375 = fieldNorm(doc=713)
          0.40962043 = weight(abstract_txt:look in 713) [ClassicSimilarity], result of:
            0.40962043 = score(doc=713,freq=1.0), product of:
              0.61822945 = queryWeight, product of:
                1.7735441 = boost
                6.057785 = idf(docFreq=276, maxDocs=43556)
                0.05754318 = queryNorm
              0.66257024 = fieldWeight in 713, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.057785 = idf(docFreq=276, maxDocs=43556)
                0.109375 = fieldNorm(doc=713)
        0.6666667 = coord(4/6)
    
  4. Khoo, S.G.; Na, J.-C.: Semantic relations in information science (2006) 0.45
    0.45261177 = sum of:
      0.45261177 = sum of:
        0.020979136 = weight(abstract_txt:systems in 3976) [ClassicSimilarity], result of:
          0.020979136 = score(doc=3976,freq=1.0), product of:
            0.19654669 = queryWeight, product of:
              3.4156382 = idf(docFreq=3889, maxDocs=43556)
              0.05754318 = queryNorm
            0.106738694 = fieldWeight in 3976, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              3.4156382 = idf(docFreq=3889, maxDocs=43556)
              0.03125 = fieldNorm(doc=3976)
        0.038226802 = weight(abstract_txt:retrieval in 3976) [ClassicSimilarity], result of:
          0.038226802 = score(doc=3976,freq=3.0), product of:
            0.20330383 = queryWeight, product of:
              1.0170444 = boost
              3.4738557 = idf(docFreq=3669, maxDocs=43556)
              0.05754318 = queryNorm
            0.18802795 = fieldWeight in 3976, product of:
              1.7320508 = tf(freq=3.0), with freq of:
                3.0 = termFreq=3.0
              3.4738557 = idf(docFreq=3669, maxDocs=43556)
              0.03125 = fieldNorm(doc=3976)
        0.085628875 = weight(abstract_txt:text in 3976) [ClassicSimilarity], result of:
          0.085628875 = score(doc=3976,freq=6.0), product of:
            0.2762509 = queryWeight, product of:
              1.1855476 = boost
              4.0494018 = idf(docFreq=2063, maxDocs=43556)
              0.05754318 = queryNorm
            0.30996776 = fieldWeight in 3976, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              4.0494018 = idf(docFreq=2063, maxDocs=43556)
              0.03125 = fieldNorm(doc=3976)
        0.10442504 = weight(abstract_txt:automatic in 3976) [ClassicSimilarity], result of:
          0.10442504 = score(doc=3976,freq=2.0), product of:
            0.45477903 = queryWeight, product of:
              1.5211335 = boost
              5.195642 = idf(docFreq=655, maxDocs=43556)
              0.05754318 = queryNorm
            0.2296171 = fieldWeight in 3976, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.195642 = idf(docFreq=655, maxDocs=43556)
              0.03125 = fieldNorm(doc=3976)
        0.086317524 = weight(abstract_txt:another in 3976) [ClassicSimilarity], result of:
          0.086317524 = score(doc=3976,freq=1.0), product of:
            0.504669 = queryWeight, product of:
              1.6023983 = boost
              5.4732127 = idf(docFreq=496, maxDocs=43556)
              0.05754318 = queryNorm
            0.1710379 = fieldWeight in 3976, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              5.4732127 = idf(docFreq=496, maxDocs=43556)
              0.03125 = fieldNorm(doc=3976)
        0.11703441 = weight(abstract_txt:look in 3976) [ClassicSimilarity], result of:
          0.11703441 = score(doc=3976,freq=1.0), product of:
            0.61822945 = queryWeight, product of:
              1.7735441 = boost
              6.057785 = idf(docFreq=276, maxDocs=43556)
              0.05754318 = queryNorm
            0.18930578 = fieldWeight in 3976, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.057785 = idf(docFreq=276, maxDocs=43556)
              0.03125 = fieldNorm(doc=3976)
    
  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
    0.4145573 = sum of:
      0.4145573 = product of:
        0.62183595 = sum of:
          0.08900694 = weight(abstract_txt:systems in 4523) [ClassicSimilarity], result of:
            0.08900694 = score(doc=4523,freq=2.0), product of:
              0.19654669 = queryWeight, product of:
                3.4156382 = idf(docFreq=3889, maxDocs=43556)
                0.05754318 = queryNorm
              0.45285392 = fieldWeight in 4523, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4156382 = idf(docFreq=3889, maxDocs=43556)
                0.09375 = fieldNorm(doc=4523)
          0.1146804 = weight(abstract_txt:retrieval in 4523) [ClassicSimilarity], result of:
            0.1146804 = score(doc=4523,freq=3.0), product of:
              0.20330383 = queryWeight, product of:
                1.0170444 = boost
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.05754318 = queryNorm
              0.5640838 = fieldWeight in 4523, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4738557 = idf(docFreq=3669, maxDocs=43556)
                0.09375 = fieldNorm(doc=4523)
          0.104873516 = weight(abstract_txt:text in 4523) [ClassicSimilarity], result of:
            0.104873516 = score(doc=4523,freq=1.0), product of:
              0.2762509 = queryWeight, product of:
                1.1855476 = boost
                4.0494018 = idf(docFreq=2063, maxDocs=43556)
                0.05754318 = queryNorm
              0.3796314 = fieldWeight in 4523, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.0494018 = idf(docFreq=2063, maxDocs=43556)
                0.09375 = fieldNorm(doc=4523)
          0.31327513 = weight(abstract_txt:automatic in 4523) [ClassicSimilarity], result of:
            0.31327513 = score(doc=4523,freq=2.0), product of:
              0.45477903 = queryWeight, product of:
                1.5211335 = boost
                5.195642 = idf(docFreq=655, maxDocs=43556)
                0.05754318 = queryNorm
              0.6888513 = fieldWeight in 4523, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.195642 = idf(docFreq=655, maxDocs=43556)
                0.09375 = fieldNorm(doc=4523)
        0.6666667 = coord(4/6)