Search (1 results, page 1 of 1)

  • × author_ss:"Tahani, V."
  • × language_ss:"e"
  • × type_ss:"d"
  1. Tahani, V.: ¬A general conceptual framework for information retrieval systems (1972) 0.04
    0.03962122 = product of:
      0.10565658 = sum of:
        0.07230785 = weight(_text_:retrieval in 70) [ClassicSimilarity], result of:
          0.07230785 = score(doc=70,freq=6.0), product of:
            0.124912694 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.041294612 = queryNorm
            0.5788671 = fieldWeight in 70, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.078125 = fieldNorm(doc=70)
        0.02231347 = weight(_text_:of in 70) [ClassicSimilarity], result of:
          0.02231347 = score(doc=70,freq=8.0), product of:
            0.06457475 = queryWeight, product of:
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.041294612 = queryNorm
            0.34554482 = fieldWeight in 70, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              1.5637573 = idf(docFreq=25162, maxDocs=44218)
              0.078125 = fieldNorm(doc=70)
        0.0110352645 = product of:
          0.022070529 = sum of:
            0.022070529 = weight(_text_:on in 70) [ClassicSimilarity], result of:
              0.022070529 = score(doc=70,freq=2.0), product of:
                0.090823986 = queryWeight, product of:
                  2.199415 = idf(docFreq=13325, maxDocs=44218)
                  0.041294612 = queryNorm
                0.24300331 = fieldWeight in 70, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.199415 = idf(docFreq=13325, maxDocs=44218)
                  0.078125 = fieldNorm(doc=70)
          0.5 = coord(1/2)
      0.375 = coord(3/8)
    
    Abstract
    Develops a conceptual framework for information retrieval systems which admit of imprecision in the form of fuzziness in document characterization, retrieval rules, and file structures. A mathematical model for such systems, based on the theory of fuzzy sets, is introduced
    Imprint
    Berkeley, CA : University of California