Catena Operations for Unified Dependency Analysis Kiril Simov author Petya Osenova author 2015-08 text Proceedings of the Third International Conference on Dependency Linguistics (Depling 2015) Joakim Nivre editor Eva Hajičová editor Uppsala University, Uppsala, Sweden Uppsala, Sweden conference publication simov-osenova-2015-catena https://aclanthology.org/W15-2135/ 2015-08 320 329