I am a professor at iSchool of Nanjing University of Science and Technology (NJUST). I have published more than 100 publications, including JASIST, IPM, LISR, TFSC, Aslib JIM, JOI, OIR, SCIM, ACL, NAACL, etc. I serve as an Associate Editor of Data and Information Management，Frontiers in Research Metrics and Analytics, Editorial Board Member and Managing Guest Editor for 10 international journals (Patterns, IPM, SCIM, OIR, Aslib JIM, TEL, KO, JDIS, DIM, DI, etc.) and PC members of several international conferences (ACL, IJCAI, EMNLP, NAACL, EACL, AACL, IJCNLP, NLPCC, ASIS&T, JCDL, iConference, ISSI, etc.) in fields of natural language processing and scientometrics. My research fields include information retrieval, information organization, text mining and nature language processing. Currently, I am focusing on scientific text mining, knowledge entity extraction and evaluation, keyphrase extraction, social media mining.