X-AMR Annotation Tool Shafiuddin Rehan Ahmed author Jon Cai author Martha Palmer author James H Martin author 2024-03 text Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics: System Demonstrations Nikolaos Aletras editor Orphee De Clercq editor Association for Computational Linguistics St. Julians, Malta conference publication ahmed-etal-2024-x https://aclanthology.org/2024.eacl-demo.19/ 2024-03 177 186