Search (2 results, page 1 of 1)

  • × year_i:[1990 TO 2000}
  • × author_ss:"Zhang, Y."
  1. Zhang, Y.: ¬The impact of Internet-based electronic resources on formal scholarly communication in the area of library and information science : a citation analysis (1998) 0.05 
    0.050370816 = product of:
  0.10074163 = sum of:
    0.10074163 = sum of:
      0.05760526 = weight(_text_:y in 2808) [ClassicSimilarity], result of:
        0.05760526 = score(doc=2808,freq=2.0), product of:
          0.21668325 = queryWeight, product of:
            4.8124003 = idf(docFreq=976, maxDocs=44218)
            0.045026023 = queryNorm
          0.26585007 = fieldWeight in 2808, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            4.8124003 = idf(docFreq=976, maxDocs=44218)
            0.0390625 = fieldNorm(doc=2808)
      0.043136373 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
        0.043136373 = score(doc=2808,freq=4.0), product of:
          0.15767346 = queryWeight, product of:
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.045026023 = queryNorm
          0.27358043 = fieldWeight in 2808, product of:
            2.0 = tf(freq=4.0), with freq of:
              4.0 = termFreq=4.0
            3.5018296 = idf(docFreq=3622, maxDocs=44218)
            0.0390625 = fieldNorm(doc=2808)
  0.5 = coord(1/2)
    Date
    30. 1.1999 17:22:22
  2. Chen, H.; Zhang, Y.; Houston, A.L.: Semantic indexing and searching using a Hopfield net (1998) 0.02 
    0.017281577 = product of:
  0.034563154 = sum of:
    0.034563154 = product of:
      0.06912631 = sum of:
        0.06912631 = weight(_text_:y in 5704) [ClassicSimilarity], result of:
          0.06912631 = score(doc=5704,freq=2.0), product of:
            0.21668325 = queryWeight, product of:
              4.8124003 = idf(docFreq=976, maxDocs=44218)
              0.045026023 = queryNorm
            0.3190201 = fieldWeight in 5704, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.8124003 = idf(docFreq=976, maxDocs=44218)
              0.046875 = fieldNorm(doc=5704)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Themes