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arXiv · 2005.04793

Frequently Co-cited Publications: Features and Kinetics

Sitaram Devarakonda·James Bradley·Dmitriy Korobskiy·Tandy Warnow·George Chacko
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Abstract

Co-citation measurements can reveal the extent to which a concept representing a novel combination of existing ideas evolves towards a specialty. The strength of co-citation is represented by its frequency, which accumulates over time. Of interest is whether underlying features associated with the strength of co-citation can be identified. We use the proximal citation network for a given pair of articles (x, y) to compute theta, an a priori estimate of the probability of co-citation between x and y, prior to their first co-citation.Thus, low values for theta reflect pairs of articles for which co-citation is presumed less likely. We observe that co-citation frequencies are a composite of power-law and lognormal distributions, and that very high co-citation frequencies are more likely to be composed of pairs with low values of theta, reflecting the impact of a novel combination of ideas. Furthermore, we note that the occurrence of a direct citation between two members of a co-cited pair increases with co-citation frequency. Finally, we identify cases of frequently co-cited publications that accumulate co-citations after an extended period of dormancy.

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Sitaram Devarakonda, James Bradley, Dmitriy Korobskiy, Tandy Warnow, George Chacko. 2020-05-10. Frequently Co-cited Publications: Features and Kinetics. https://doi.org/10.1162/qss_a_00075

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