@inproceedings{obligationandprohibitionextractionusing, title = {Obligation and Prohibition Extraction Using Hierarchical RNNs}, author = {Ilias Chalkidis and Ion Androutsopoulos and Achilleas Michos}, year = {2018}, booktitle = {ACL 2018 7}, eprint = {1805.03871}, archivePrefix = {arXiv}, url = {http://arxiv.org/abs/1805.03871v1}, }