Search (2 results, page 1 of 1)

  • × author_ss:"Zhang, Z."
  • × author_ss:"Chen, H."
  1. Li, J.; Zhang, Z.; Li, X.; Chen, H.: Kernel-based learning for biomedical relation extraction (2008) 0.00
    0.0030839336 = product of:
      0.006167867 = sum of:
        0.006167867 = product of:
          0.0185036 = sum of:
            0.0185036 = weight(_text_:h in 1611) [ClassicSimilarity], result of:
              0.0185036 = score(doc=1611,freq=2.0), product of:
                0.11234917 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045220956 = queryNorm
                0.16469726 = fieldWeight in 1611, 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=1611)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  2. Suakkaphong, N.; Zhang, Z.; Chen, H.: Disease named entity recognition using semisupervised learning and conditional random fields (2011) 0.00
    0.0025699446 = product of:
      0.005139889 = sum of:
        0.005139889 = product of:
          0.015419668 = sum of:
            0.015419668 = weight(_text_:h in 4367) [ClassicSimilarity], result of:
              0.015419668 = score(doc=4367,freq=2.0), product of:
                0.11234917 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.045220956 = queryNorm
                0.13724773 = fieldWeight in 4367, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4367)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)