Search (3 results, page 1 of 1)

  • × author_ss:"Qin, J."
  • × year_i:[1990 TO 2000}
  1. Qin, J.: Discovering semantic patterns in bibliographically coupled documents (1999) 0.01
    0.007965945 = product of:
      0.05576161 = sum of:
        0.05576161 = weight(_text_:j in 6279) [ClassicSimilarity], result of:
          0.05576161 = score(doc=6279,freq=2.0), product of:
            0.113453306 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.03570525 = queryNorm
            0.4914939 = fieldWeight in 6279, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.109375 = fieldNorm(doc=6279)
      0.14285715 = coord(1/7)
    
  2. Qin, J.; Lancaster, F.W.; Allen, B.: Types and levels of collaboration in interdisciplinary research in the sciences (1997) 0.00
    0.0039829724 = product of:
      0.027880805 = sum of:
        0.027880805 = weight(_text_:j in 1593) [ClassicSimilarity], result of:
          0.027880805 = score(doc=1593,freq=2.0), product of:
            0.113453306 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.03570525 = queryNorm
            0.24574696 = fieldWeight in 1593, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.0546875 = fieldNorm(doc=1593)
      0.14285715 = coord(1/7)
    
  3. Qin, J.; Wesley, K.: Web indexing with meta fields : a survey of Web objects in polymer chemistry (1998) 0.00
    0.0034139762 = product of:
      0.023897832 = sum of:
        0.023897832 = weight(_text_:j in 3589) [ClassicSimilarity], result of:
          0.023897832 = score(doc=3589,freq=2.0), product of:
            0.113453306 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.03570525 = queryNorm
            0.21064025 = fieldWeight in 3589, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.046875 = fieldNorm(doc=3589)
      0.14285715 = coord(1/7)