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An evolutionary non-linear ranking algorithm for ranking scientific collaborations

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Abstract

The social capital theory motivates some researchers to apply link-based ranking algorithms (e.g. PageRank) to compute the fitness level of a scholar for collaborating with other scholars on a set of skills. These algorithms are executed on the collaboration network of scholars and assign a score to each scholar based on the scores of his/her neighbors by solving a linear system in an iterative way. In this paper, we propose a new ranking algorithm by focusing on link-aggregation function and transition matrix. The evolution strategy technique is applied to find the best aggregation function and transition matrix for computing the score of a scholar in the collaboration network which is modeled by a hypergraph. Experiments conducted on two datasets gathered from ScivalExpert and VIVO show that the new non-linear ranking algorithm acts better than the other iterative ranking approaches for ranking scientific collaborations.

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Notes

  1. http://www.vivoweb.org/

  2. http://connects.catalyst.harvard.edu/Profiles/search

  3. http://www.biomedexperts.com/

  4. http://www.epernicus.com

  5. http://www.researchcrossroads.com/

  6. https://www.elsevier.com/solutions/scival

  7. A unique identifier (uid) assigned by Scival Expert and VIVO to each scholar.

  8. http://vivo.scholars.northwestern.edu/

  9. https://sparql.scholars.duke.edu/

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Correspondence to Kamran Zamanifar.

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Ghasemian, F., Zamanifar, K. & Ghasem-Aghaee, N. An evolutionary non-linear ranking algorithm for ranking scientific collaborations. Appl Intell 48, 465–481 (2018). https://doi.org/10.1007/s10489-017-0990-4

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