Search (7 results, page 1 of 1)

Ding, Y.; Yan, E.; Frazho, A.; Caverlee, J.: PageRank for ranking authors in co-citation networks (2009) 0.02
```
0.018862724 = product of:
  0.03772545 = sum of:
    0.03772545 = product of:
      0.056588173 = sum of:
        0.026239151 = weight(_text_:h in 3161) [ClassicSimilarity], result of:
          0.026239151 = score(doc=3161,freq=4.0), product of:
            0.11265446 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.04534384 = queryNorm
            0.2329171 = fieldWeight in 3161, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.046875 = fieldNorm(doc=3161)
        0.030349022 = weight(_text_:j in 3161) [ClassicSimilarity], result of:
          0.030349022 = score(doc=3161,freq=2.0), product of:
            0.14407988 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.04534384 = queryNorm
            0.21064025 = fieldWeight in 3161, 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=3161)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
```
Abstract

This paper studies how varied damping factors in the PageRank algorithm influence the ranking of authors and proposes weighted PageRank algorithms. We selected the 108 most highly cited authors in the information retrieval (IR) area from the 1970s to 2008 to form the author co-citation network. We calculated the ranks of these 108 authors based on PageRank with the damping factor ranging from 0.05 to 0.95. In order to test the relationship between different measures, we compared PageRank and weighted PageRank results with the citation ranking, h-index, and centrality measures. We found that in our author co-citation network, citation rank is highly correlated with PageRank with different damping factors and also with different weighted PageRank algorithms; citation rank and PageRank are not significantly correlated with centrality measures; and h-index rank does not significantly correlate with centrality measures but does significantly correlate with other measures. The key factors that have impact on the PageRank of authors in the author co-citation network are being co-cited with important authors.
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) 0.02
```
0.015718937 = product of:
  0.031437874 = sum of:
    0.031437874 = product of:
      0.04715681 = sum of:
        0.02186596 = weight(_text_:h in 4012) [ClassicSimilarity], result of:
          0.02186596 = score(doc=4012,freq=4.0), product of:
            0.11265446 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.04534384 = queryNorm
            0.1940976 = fieldWeight in 4012, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4012)
        0.02529085 = weight(_text_:j in 4012) [ClassicSimilarity], result of:
          0.02529085 = score(doc=4012,freq=2.0), product of:
            0.14407988 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.04534384 = 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)
      0.6666667 = coord(2/3)
  0.5 = coord(1/2)
```
Abstract

Scientific collaboration is vital to many fields, and it is common to see scholars seek out experienced researchers or experts in a domain with whom they can share knowledge, experience, and resources. To explore the diversity of research collaborations, this article performs a temporal analysis on the scientific careers of researchers in the field of computer science. Specifically, we analyze collaborators using 2 indicators: the research topic diversity, measured by the Author-Conference-Topic model and cosine, and the impact diversity, measured by the normalized standard deviation of h-indices. We find that the collaborators of high-impact researchers tend to study diverse research topics and have diverse h-indices. Moreover, by setting PhD graduation as an important milestone in researchers' careers, we examine several indicators related to scientific collaboration and their effects on a career. The results show that collaborating with authoritative authors plays an important role prior to a researcher's PhD graduation, but working with non-authoritative authors carries more weight after PhD graduation.

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

0.00730084 = product of:
  0.01460168 = sum of:
    0.01460168 = product of:
      0.04380504 = sum of:
        0.04380504 = weight(_text_:j in 633) [ClassicSimilarity], result of:
          0.04380504 = score(doc=633,freq=6.0), product of:
            0.14407988 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.04534384 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Ding, Y.: Applying weighted PageRank to author citation networks (2011) 0.01

0.0071673747 = product of:
  0.014334749 = sum of:
    0.014334749 = product of:
      0.04300425 = sum of:
        0.04300425 = weight(_text_:22 in 4188) [ClassicSimilarity], result of:
          0.04300425 = score(doc=4188,freq=2.0), product of:
            0.1587864 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04534384 = queryNorm
            0.2708308 = fieldWeight in 4188, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0546875 = fieldNorm(doc=4188)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Date: 22. 1.2011 13:02:21

Min, C.; Ding, Y.; Li, J.; Bu, Y.; Pei, L.; Sun, J.: Innovation or imitation : the diffusion of citations (2018) 0.01

0.005961111 = product of:
  0.011922222 = sum of:
    0.011922222 = product of:
      0.035766665 = sum of:
        0.035766665 = weight(_text_:j in 4445) [ClassicSimilarity], result of:
          0.035766665 = score(doc=4445,freq=4.0), product of:
            0.14407988 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.04534384 = queryNorm
            0.2482419 = fieldWeight in 4445, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4445)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Zhang, C.; Bu, Y.; Ding, Y.; Xu, J.: Understanding scientific collaboration : homophily, transitivity, and preferential attachment (2018) 0.01

0.0050581703 = product of:
  0.010116341 = sum of:
    0.010116341 = product of:
      0.030349022 = sum of:
        0.030349022 = weight(_text_:j in 4011) [ClassicSimilarity], result of:
          0.030349022 = score(doc=4011,freq=2.0), product of:
            0.14407988 = queryWeight, product of:
              3.1774964 = idf(docFreq=5010, maxDocs=44218)
              0.04534384 = 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)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)

Yan, E.; Ding, Y.: Discovering author impact : a PageRank perspective (2011) 0.00
```
0.004123085 = product of:
  0.00824617 = sum of:
    0.00824617 = product of:
      0.02473851 = sum of:
        0.02473851 = weight(_text_:h in 2704) [ClassicSimilarity], result of:
          0.02473851 = score(doc=2704,freq=2.0), product of:
            0.11265446 = queryWeight, product of:
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.04534384 = queryNorm
            0.21959636 = fieldWeight in 2704, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.4844491 = idf(docFreq=10020, maxDocs=44218)
              0.0625 = fieldNorm(doc=2704)
      0.33333334 = coord(1/3)
  0.5 = coord(1/2)
```
Abstract

This article provides an alternative perspective for measuring author impact by applying PageRank algorithm to a coauthorship network. A weighted PageRank algorithm considering citation and coauthorship network topology is proposed. We test this algorithm under different damping factors by evaluating author impact in the informetrics research community. In addition, we also compare this weighted PageRank with the h-index, citation, and program committee (PC) membership of the International Society for Scientometrics and Informetrics (ISSI) conferences. Findings show that this weighted PageRank algorithm provides reliable results in measuring author impact.

Search (7 results, page 1 of 1)

Authors

Years

Themes