Search (12 results, page 1 of 1)

  • × year_i:[1970 TO 1980}
  • × author_ss:"Salton, G."
  1. Salton, G.; Waldstein, R.H.: Term relevance weights in on-line information retrieval (1978) 0.01
    0.01150381 = product of:
      0.028759524 = sum of:
        0.010897844 = weight(_text_:a in 5484) [ClassicSimilarity], result of:
          0.010897844 = score(doc=5484,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 5484, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=5484)
        0.017861681 = product of:
          0.035723362 = sum of:
            0.035723362 = weight(_text_:information in 5484) [ClassicSimilarity], result of:
              0.035723362 = score(doc=5484,freq=4.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.43886948 = fieldWeight in 5484, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.125 = fieldNorm(doc=5484)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Source
    Information processing and management. 14(1978), S.20-35
    Type
    a
  2. Salton, G.: ¬A new comparison between conventional indexing (MEDLARS) and automatic text processing (SMART) (1972) 0.01
    0.009814699 = product of:
      0.024536747 = sum of:
        0.013485395 = weight(_text_:a in 2325) [ClassicSimilarity], result of:
          0.013485395 = score(doc=2325,freq=4.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.25222903 = fieldWeight in 2325, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.109375 = fieldNorm(doc=2325)
        0.011051352 = product of:
          0.022102704 = sum of:
            0.022102704 = weight(_text_:information in 2325) [ClassicSimilarity], result of:
              0.022102704 = score(doc=2325,freq=2.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.27153665 = fieldWeight in 2325, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.109375 = fieldNorm(doc=2325)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Source
    Journal of the American Society for Information Science. 23(1972), S.75-84
    Type
    a
  3. Yu, C.T.; Salton, G.: Effective information retrieval using term accuracy (1971) 0.01
    0.009411185 = product of:
      0.023527961 = sum of:
        0.010897844 = weight(_text_:a in 5485) [ClassicSimilarity], result of:
          0.010897844 = score(doc=5485,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 5485, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=5485)
        0.012630116 = product of:
          0.025260232 = sum of:
            0.025260232 = weight(_text_:information in 5485) [ClassicSimilarity], result of:
              0.025260232 = score(doc=5485,freq=2.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.3103276 = fieldWeight in 5485, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.125 = fieldNorm(doc=5485)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Type
    a
  4. Salton, G.; Wong, A.; Yang, C.S.: ¬A vector space model for automatic indexing (1975) 0.01
    0.007876435 = product of:
      0.019691087 = sum of:
        0.011797264 = weight(_text_:a in 1934) [ClassicSimilarity], result of:
          0.011797264 = score(doc=1934,freq=6.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.22065444 = fieldWeight in 1934, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.078125 = fieldNorm(doc=1934)
        0.007893822 = product of:
          0.015787644 = sum of:
            0.015787644 = weight(_text_:information in 1934) [ClassicSimilarity], result of:
              0.015787644 = score(doc=1934,freq=2.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.19395474 = fieldWeight in 1934, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1934)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Footnote
    Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.273-280.
    Type
    a
  5. Salton, G.: Mathematics and information retrieval (1979) 0.01
    0.0077237748 = product of:
      0.019309437 = sum of:
        0.008258085 = weight(_text_:a in 5467) [ClassicSimilarity], result of:
          0.008258085 = score(doc=5467,freq=6.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.1544581 = fieldWeight in 5467, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.0546875 = fieldNorm(doc=5467)
        0.011051352 = product of:
          0.022102704 = sum of:
            0.022102704 = weight(_text_:information in 5467) [ClassicSimilarity], result of:
              0.022102704 = score(doc=5467,freq=8.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.27153665 = fieldWeight in 5467, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5467)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Abstract
    The development of a given discipline in science and technology often depends on the availability of theorie capable of describing the processes which control the field and of modelling the interactions between the processes. The absence of an accepted theory of information retrieval has benn blamed for the relative disorder and the lack of technical advances in the area. The main mathematical approaches to information retrieval are examined in this study, including both algebraic and probabilistic models, and the difficulties which impede the formalization of information retrieval processes are described. A number of developments are covered where new theoretical understandings have directly led to the improvemenet of retrieval techniques and operations
    Type
    a
  6. Salton, G.: Fast document classification in automatic information retrieval (1978) 0.01
    0.0068851607 = product of:
      0.017212901 = sum of:
        0.010897844 = weight(_text_:a in 2331) [ClassicSimilarity], result of:
          0.010897844 = score(doc=2331,freq=8.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 2331, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.0625 = fieldNorm(doc=2331)
        0.006315058 = product of:
          0.012630116 = sum of:
            0.012630116 = weight(_text_:information in 2331) [ClassicSimilarity], result of:
              0.012630116 = score(doc=2331,freq=2.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.1551638 = fieldWeight in 2331, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2331)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Abstract
    A classified or clustered file is one where related or similar records are grouped into classes or clusters of items in such a way that all itmes within a cluster are jointly retrievable. Clustered files are easily adapted to to broad and narrow search strategies, and simple file updating methods are available. An inexpensive file clustering method applicable to large files is given together with appropriate file search methods
    Type
    a
  7. Salton, G.; Wong, A.: Generation and search of clustered files (1978) 0.00
    0.003082376 = product of:
      0.01541188 = sum of:
        0.01541188 = weight(_text_:a in 2411) [ClassicSimilarity], result of:
          0.01541188 = score(doc=2411,freq=4.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.28826174 = fieldWeight in 2411, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=2411)
      0.2 = coord(1/5)
    
    Type
    a
  8. Salton, G.: Experiments in automatic thesaurus construction for information retrieval (1972) 0.00
    0.0022102704 = product of:
      0.011051352 = sum of:
        0.011051352 = product of:
          0.022102704 = sum of:
            0.022102704 = weight(_text_:information in 5314) [ClassicSimilarity], result of:
              0.022102704 = score(doc=5314,freq=2.0), product of:
                0.08139861 = queryWeight, product of:
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.046368346 = queryNorm
                0.27153665 = fieldWeight in 5314, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.7554779 = idf(docFreq=20772, maxDocs=44218)
                  0.109375 = fieldNorm(doc=5314)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
  9. Salton, G.: ¬A theory of indexing (1975) 0.00
    0.0021795689 = product of:
      0.010897844 = sum of:
        0.010897844 = weight(_text_:a in 5475) [ClassicSimilarity], result of:
          0.010897844 = score(doc=5475,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 5475, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=5475)
      0.2 = coord(1/5)
    
  10. Salton, G.; Yang, C.S.: On the specification of term values in automatic indexing (1973) 0.00
    0.0021795689 = product of:
      0.010897844 = sum of:
        0.010897844 = weight(_text_:a in 5476) [ClassicSimilarity], result of:
          0.010897844 = score(doc=5476,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 5476, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=5476)
      0.2 = coord(1/5)
    
    Type
    a
  11. Yu, C.T.; Salton, G.: Precision weighting : an effective automatic indexing method (1976) 0.00
    0.0021795689 = product of:
      0.010897844 = sum of:
        0.010897844 = weight(_text_:a in 5490) [ClassicSimilarity], result of:
          0.010897844 = score(doc=5490,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.20383182 = fieldWeight in 5490, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.125 = fieldNorm(doc=5490)
      0.2 = coord(1/5)
    
    Type
    a
  12. Yu, C.T.; Salton, G.; Siu, M.K.: Effective automatic indexing using term addition and deletion (1978) 0.00
    0.0019071229 = product of:
      0.009535614 = sum of:
        0.009535614 = weight(_text_:a in 2859) [ClassicSimilarity], result of:
          0.009535614 = score(doc=2859,freq=2.0), product of:
            0.053464882 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.046368346 = queryNorm
            0.17835285 = fieldWeight in 2859, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.109375 = fieldNorm(doc=2859)
      0.2 = coord(1/5)
    
    Type
    a