Entailment: An Effective Metric for Comparing and Evaluating Hierarchical and Non-hierarchical Annotation Schemes Rohan Ramanath author Monojit Choudhury author Kalika Bali author 2013-08 text Proceedings of the 7th Linguistic Annotation Workshop and Interoperability with Discourse Antonio Pareja-Lora editor Maria Liakata editor Stefanie Dipper editor Association for Computational Linguistics Sofia, Bulgaria conference publication ramanath-etal-2013-entailment https://aclanthology.org/W13-2306/ 2013-08 42 50