Search (2 results, page 1 of 1)

  • × author_ss:"Zhang, Y."
  • × year_i:[1990 TO 2000}
  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) 0.00
    0.0032922686 = product of:
      0.006584537 = sum of:
        0.006584537 = product of:
          0.032922685 = sum of:
            0.032922685 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
              0.032922685 = score(doc=2808,freq=4.0), product of:
                0.12034006 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.03436491 = 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)
          0.2 = coord(1/5)
      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) 0.00
    0.002923388 = product of:
      0.005846776 = sum of:
        0.005846776 = product of:
          0.02923388 = sum of:
            0.02923388 = weight(_text_:28 in 5704) [ClassicSimilarity], result of:
              0.02923388 = score(doc=5704,freq=2.0), product of:
                0.12310415 = queryWeight, product of:
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.03436491 = queryNorm
                0.23747274 = fieldWeight in 5704, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5822632 = idf(docFreq=3342, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5704)
          0.2 = coord(1/5)
      0.5 = coord(1/2)
    
    Date
    31. 3.2001 9:47:28