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A bibliometric index based on the collaboration distance between cited and citing authors

AuthorsBras-Amoros, Maria; Domingo-Ferrer, Josep; Torra, Vicenç
Bibliometric indices
Issue Date2011
CitationJournal of Informetrics 5: 248- 264 (2011)
AbstractThe popular h-index used to measure scientific output can be described in terms of a pool of evaluated objects (the papers), a quality function on the evaluated objects (the number of citations received by each paper) and a sentencing line crossing the origin, whose intersection with the graph of the quality function yields the index value (in the h-index this is a line with slope 1). Based on this abstraction, we present a new index, the c-index, in which the evaluated objects are the citations received by an author, a group of authors, a journal, etc., the quality function of a citation is the collaboration distance between the authors of the cited and the citing papers, and the sentencing line can take slopes between 0 and ∞. As a result, the new index counts only those citations which are significant enough, where significance is proportional to collaboration distance. Several advantages of the new c-index with respect to previous proposals are discussed. © 2010 Elsevier Ltd.
Identifiersdoi: 10.1016/j.joi.2010.11.001
issn: 1751-1577
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