Keywords, phrases, clauses and sentences: topicality, indicativeness and informativeness at scales Min-Yen Kan author 2015-07 text Proceedings of the ACL 2015 Workshop on Novel Computational Approaches to Keyphrase Extraction Sujatha Das Gollapalli editor Cornelia Caragea editor Xiaoli Li editor C Lee Giles editor Association for Computational Linguistics Beijing, China conference publication kan-2015-keywords 10.18653/v1/W15-3601 https://aclanthology.org/W15-3601/ 2015-07 1