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. 2018 Jan 3;4(1):e1701130. doi: 10.1126/sciadv.1701130

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1 — DCA illustration of the conversion of citation data (A) to a co-citation network (B) and the resulting node (C) and edge (D) metrics before and after trimming (E).