This chart shows the percentage of citations to Xing-Jie Liang's peer-reviewed articles that originate from Xing-Jie Liang's own papers, i.e., papers where Xing-Jie Liang is one of the authors. A self-citation occurs when the citing paper lists Xing-Jie Liang as an author. Elevated rates may reflect a small co-author network or a narrow research focus.