Search (2 results, page 1 of 1)

  • × author_ss:"Liu, Z."
  1. Buckland, M.K.; Liu, Z.: History of information science (1995) 0.00
    0.002738415 = product of:
      0.019168904 = sum of:
        0.019168904 = product of:
          0.038337808 = sum of:
            0.038337808 = weight(_text_:22 in 4226) [ClassicSimilarity], result of:
              0.038337808 = score(doc=4226,freq=2.0), product of:
                0.12386176 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.035370585 = 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)
      0.14285715 = coord(1/7)
    
    Date
    13. 6.1996 19:22:20
  2. Lu, W.; Li, X.; Liu, Z.; Cheng, Q.: How do author-selected keywords function semantically in scientific manuscripts? (2019) 0.00
    0.002026856 = product of:
      0.014187992 = sum of:
        0.014187992 = product of:
          0.028375983 = sum of:
            0.028375983 = weight(_text_:w in 5453) [ClassicSimilarity], result of:
              0.028375983 = score(doc=5453,freq=2.0), product of:
                0.13479044 = queryWeight, product of:
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.035370585 = queryNorm
                0.21051927 = fieldWeight in 5453, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.8108058 = idf(docFreq=2659, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5453)
          0.5 = coord(1/2)
      0.14285715 = coord(1/7)
    

Types