Search (3 results, page 1 of 1)

  • × author_ss:"Ding, Y."
  • × 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 
    0.008649222 = product of:
  0.043246105 = sum of:
    0.043246105 = sum of:
      0.03867674 = weight(_text_:j in 633) [ClassicSimilarity], result of:
        0.03867674 = score(doc=633,freq=6.0), product of:
          0.1272123 = queryWeight, product of:
            3.1774964 = idf(docFreq=5010, maxDocs=44218)
            0.040035386 = queryNorm
          0.304033 = fieldWeight in 633, product of:
            2.4494898 = tf(freq=6.0), with freq of:
              6.0 = termFreq=6.0
            3.1774964 = idf(docFreq=5010, maxDocs=44218)
            0.0390625 = fieldNorm(doc=633)
      0.004569368 = weight(_text_:e in 633) [ClassicSimilarity], result of:
        0.004569368 = score(doc=633,freq=2.0), product of:
          0.05754566 = queryWeight, product of:
            1.43737 = idf(docFreq=28552, maxDocs=44218)
            0.040035386 = queryNorm
          0.07940422 = fieldWeight in 633, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.43737 = idf(docFreq=28552, maxDocs=44218)
            0.0390625 = fieldNorm(doc=633)
  0.2 = coord(1/5)
    Language
    e
  2. Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018) 0.01 
    0.0064558545 = product of:
  0.03227927 = sum of:
    0.03227927 = sum of:
      0.026796032 = weight(_text_:j in 4011) [ClassicSimilarity], result of:
        0.026796032 = score(doc=4011,freq=2.0), product of:
          0.1272123 = queryWeight, product of:
            3.1774964 = idf(docFreq=5010, maxDocs=44218)
            0.040035386 = queryNorm
          0.21064025 = fieldWeight in 4011, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.1774964 = idf(docFreq=5010, maxDocs=44218)
            0.046875 = fieldNorm(doc=4011)
      0.0054832413 = weight(_text_:e in 4011) [ClassicSimilarity], result of:
        0.0054832413 = score(doc=4011,freq=2.0), product of:
          0.05754566 = queryWeight, product of:
            1.43737 = idf(docFreq=28552, maxDocs=44218)
            0.040035386 = queryNorm
          0.09528506 = fieldWeight in 4011, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.43737 = idf(docFreq=28552, maxDocs=44218)
            0.046875 = fieldNorm(doc=4011)
  0.2 = coord(1/5)
    Language
    e
  3. Bu, Y.; Ding, Y.; Xu, J.; Liang, X.; Gao, G.; Zhao, Y.: Understanding success through the diversity of collaborators and the milestone of career (2018) 0.01 
    0.005379879 = product of:
  0.026899394 = sum of:
    0.026899394 = sum of:
      0.022330025 = weight(_text_:j in 4012) [ClassicSimilarity], result of:
        0.022330025 = score(doc=4012,freq=2.0), product of:
          0.1272123 = queryWeight, product of:
            3.1774964 = idf(docFreq=5010, maxDocs=44218)
            0.040035386 = queryNorm
          0.17553353 = fieldWeight in 4012, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            3.1774964 = idf(docFreq=5010, maxDocs=44218)
            0.0390625 = fieldNorm(doc=4012)
      0.004569368 = weight(_text_:e in 4012) [ClassicSimilarity], result of:
        0.004569368 = score(doc=4012,freq=2.0), product of:
          0.05754566 = queryWeight, product of:
            1.43737 = idf(docFreq=28552, maxDocs=44218)
            0.040035386 = queryNorm
          0.07940422 = fieldWeight in 4012, product of:
            1.4142135 = tf(freq=2.0), with freq of:
              2.0 = termFreq=2.0
            1.43737 = idf(docFreq=28552, maxDocs=44218)
            0.0390625 = fieldNorm(doc=4012)
  0.2 = coord(1/5)
    Language
    e

Authors

Years