External Knowledge Acquisition for End-to-End Document-Oriented Dialog Systems Tuan M Lai author Giuseppe Castellucci author Saar Kuzi author Heng Ji author Oleg Rokhlenko author 2023-05 text Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics Andreas Vlachos editor Isabelle Augenstein editor Association for Computational Linguistics Dubrovnik, Croatia conference publication lai-etal-2023-external 10.18653/v1/2023.eacl-main.264 https://aclanthology.org/2023.eacl-main.264/ 2023-05 3633 3647