User-initiated Sub-dialogues in State-of-the-art Dialogue Systems Staffan Larsson author 2017-08 text Proceedings of the 18th Annual SIGdial Meeting on Discourse and Dialogue Kristiina Jokinen editor Manfred Stede editor David DeVault editor Annie Louis editor Association for Computational Linguistics Saarbrücken, Germany conference publication larsson-2017-user 10.18653/v1/W17-5503 https://aclanthology.org/W17-5503/ 2017-08 17 22