@article{XU Xiaoke:22, author = {XU Xiaoke, GENG Xuena, WANG Xue}, title = {Theoretical studies of signed social networks based on null models}, publisher = {Science & Technology Review}, year = {2018}, journal = {Science & Technology Review}, volume = {36}, number = {8}, eid = {22}, numpages = {8}, pages = {22}, keywords = {signed network;null model;online social networks;network motif}, url = {http://www.kjdb.org/EN/abstract/article_14849.shtml}, doi = {10.3981/j.issn.1000-7857.2018.08.002} }