Search (2 results, page 1 of 1)

  • × author_ss:"Xu, J."
  • × theme_ss:"Informetrie"
  1. Liu, M.; Bu, Y.; Chen, C.; Xu, J.; Li, D.; Leng, Y.; Freeman, R.B.; Meyer, E.T.; Yoon, W.; Sung, M.; Jeong, M.; Lee, J.; Kang, J.; Min, C.; Zhai, Y.; Song, M.; Ding, Y.: Pandemics are catalysts of scientific novelty : evidence from COVID-19 (2022) 0.01 
    0.008697641 = product of:
  0.017395282 = sum of:
    0.017395282 = product of:
      0.034790564 = sum of:
        0.034790564 = weight(_text_:c in 633) [ClassicSimilarity], result of:
          0.034790564 = score(doc=633,freq=4.0), product of:
            0.1291003 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.037426826 = queryNorm
            0.2694848 = fieldWeight in 633, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.0390625 = fieldNorm(doc=633)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
  2. Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018) 0.01 
    0.007380193 = product of:
  0.014760386 = sum of:
    0.014760386 = product of:
      0.029520772 = sum of:
        0.029520772 = weight(_text_:c in 4011) [ClassicSimilarity], result of:
          0.029520772 = score(doc=4011,freq=2.0), product of:
            0.1291003 = queryWeight, product of:
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.037426826 = queryNorm
            0.22866541 = fieldWeight in 4011, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.4494052 = idf(docFreq=3817, maxDocs=44218)
              0.046875 = fieldNorm(doc=4011)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Authors

Years