title: Properties of language networks and language systems: comment on "approaching human language with complex networks" by Cong and Liu.
authors.affiliation: School of Computer Science, Communication University of China, Beijing, China. Electronic address: shuiyuan.y@gmail.com.
authors.forename: Shuiyuan
authors.initials: S
authors.lastname: Yu
authors.affiliation: School of Foreign Studies, Anhui Jianzhu University, Hefei, China. Electronic address: adinxu@126.com.
authors.forename: Chunshan
authors.initials: C
authors.lastname: Xu
mesh_terms: D006801:Humans; D007802:Language; D008037:Linguistics / Q000379:methods*