A Semi-Supervised Key Phrase Extraction Approach: Learning from Title Phrases through a Document Semantic Network Decong Li author Sujian Li author Wenjie Li author Wei Wang author Weiguang Qu author 2010-07 text Proceedings of the ACL 2010 Conference Short Papers Jan Hajič editor Sandra Carberry editor Stephen Clark editor Joakim Nivre editor Association for Computational Linguistics Uppsala, Sweden conference publication li-etal-2010-semi https://aclanthology.org/P10-2055/ 2010-07 296 300