O. Medelyan, and I. Witten. JCDL '06: Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries, page 296--297. New York, NY, USA, ACM, (2006)
We propose a new method that enhances automatic keyphrase extraction by using semantic information on terms and phrases gleaned from a domain-specific thesaurus. We evaluate the results against keyphrase sets assigned by a state-of-the-art keyphrase extraction system and those assigned by six professional indexers.