Understanding the Tradeoff between Cost and Quality of Expert Annotations for Keyphrase Extraction Hung Chau author Saeid Balaneshin author Kai Liu author Ondrej Linda author 2020-12 text Proceedings of the 14th Linguistic Annotation Workshop Stefanie Dipper editor Amir Zeldes editor Association for Computational Linguistics Barcelona, Spain conference publication chau-etal-2020-understanding https://aclanthology.org/2020.law-1.7/ 2020-12 74 86