Search (2 results, page 1 of 1)

  • × author_ss:"Du, H."
  1. Crestani, F.; Du, H.: Written versus spoken queries : a qualitative and quantitative comparative analysis (2006) 0.01
    0.011052509 = product of:
      0.027631272 = sum of:
        0.009251474 = product of:
          0.018502949 = sum of:
            0.018502949 = weight(_text_:h in 5047) [ClassicSimilarity], result of:
              0.018502949 = score(doc=5047,freq=2.0), product of:
                0.11234521 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045219366 = queryNorm
                0.16469726 = fieldWeight in 5047, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5047)
          0.5 = coord(1/2)
        0.018379798 = product of:
          0.036759596 = sum of:
            0.036759596 = weight(_text_:22 in 5047) [ClassicSimilarity], result of:
              0.036759596 = score(doc=5047,freq=2.0), product of:
                0.15835051 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045219366 = queryNorm
                0.23214069 = fieldWeight in 5047, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5047)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    5. 6.2006 11:22:23
  2. Du, H.; Hao, J.-X..; Kwok, R.; Wagner, C.: Can a lean medium enhance large-group communication? : Examining the impact of interactive mobile learning (2010) 0.00
    0.0018502949 = product of:
      0.009251474 = sum of:
        0.009251474 = product of:
          0.018502949 = sum of:
            0.018502949 = weight(_text_:h in 4003) [ClassicSimilarity], result of:
              0.018502949 = score(doc=4003,freq=2.0), product of:
                0.11234521 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045219366 = queryNorm
                0.16469726 = fieldWeight in 4003, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4003)
          0.5 = coord(1/2)
      0.2 = coord(1/5)