In information science and bibliometrics, a citation graph is a directed graph in which each vertex represents an academic publication such as a journal article and in which each edge represents a citation from one publication to another.
The citation graph may be used in citation analysis as the basis for calculating other measures of scientific impact such as the h-index, and for studying the structure and development of different fields of academic inquiry.
Actual construction of citation graphs requires record linkage of the citations in a document to their cited document since the naming format has many variations.
- Collaboration graph, a graph defined on researchers based on their academic collaborations
- Web graph, a citation graph of references from one web page to another in the world wide web
- An, Yuan; Janssen, Jeannette; Milios, Evangelos E. (2004), "Characterizing and Mining the Citation Graph of the Computer Science Literature", Knowledge and Information Systems 6 (6): 664–678, doi:10.1007/s10115-003-0128-3.
- Yong, Fang; Rousseau, Ronald (2001), "Lattices in citation networks: An investigation into the structure of citation graphs", Scientometrics 50 (2): 273–287, doi:10.1023/A:1010573723540.
- Lu, Wangzhong; Janssen, J.; Milios, E.; Japkowicz, N.; Zhang, Yongzheng (2007), "Node similarity in the citation graph", Knowledge and Information Systems 11 (1): 105–129, doi:10.1007/s10115-006-0023-9.
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