Search (2 results, page 1 of 1)

  • × author_ss:"Liu, Z."
  • × year_i:[1990 TO 2000}
  1. Buckland, M.K.; Liu, Z.: History of information science (1995) 0.01 
    0.00812152 = product of:
  0.02436456 = sum of:
    0.02436456 = product of:
      0.04872912 = sum of:
        0.04872912 = weight(_text_:22 in 4226) [ClassicSimilarity], result of:
          0.04872912 = score(doc=4226,freq=2.0), product of:
            0.15743402 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.044957645 = queryNorm
            0.30952093 = fieldWeight in 4226, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=4226)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)
    Date
    13. 6.1996 19:22:20
  2. Rada, R.; Liu, Z.; Zheng, M.: Connecting educational information spaces (1997) 0.01 
    0.007176996 = product of:
  0.021530988 = sum of:
    0.021530988 = weight(_text_:m in 313) [ClassicSimilarity], result of:
      0.021530988 = score(doc=313,freq=2.0), product of:
        0.11187479 = queryWeight, product of:
          2.4884486 = idf(docFreq=9980, maxDocs=44218)
          0.044957645 = queryNorm
        0.19245613 = fieldWeight in 313, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          2.4884486 = idf(docFreq=9980, maxDocs=44218)
          0.0546875 = fieldNorm(doc=313)
  0.33333334 = coord(1/3)

Authors

Types

Themes