Combining Predicate-Argument Structure and Operator Projection: Clause Structure in Role and Reference Grammar Laura Kallmeyer author Rainer Osswald author 2017-09 text Proceedings of the 13th International Workshop on Tree Adjoining Grammars and Related Formalisms Marco Kuhlmann editor Tatjana Scheffler editor Association for Computational Linguistics Umeå, Sweden conference publication kallmeyer-osswald-2017-combining https://aclanthology.org/W17-6207/ 2017-09 61 70