%0 Conference Proceedings %T Fast and Scalable Dialogue State Tracking with Explicit Modular Decomposition %A Wang, Dingmin %A Lin, Chenghua %A Liu, Qi %A Wong, Kam-Fai %Y Toutanova, Kristina %Y Rumshisky, Anna %Y Zettlemoyer, Luke %Y Hakkani-Tur, Dilek %Y Beltagy, Iz %Y Bethard, Steven %Y Cotterell, Ryan %Y Chakraborty, Tanmoy %Y Zhou, Yichao %S Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies %D 2021 %8 June %I Association for Computational Linguistics %C Online %F wang-etal-2021-fast %X We present a fast and scalable architecture called Explicit Modular Decomposition (EMD), in which we incorporate both classification-based and extraction-based methods and design four modules (for clas- sification and sequence labelling) to jointly extract dialogue states. Experimental results based on the MultiWoz 2.0 dataset validates the superiority of our proposed model in terms of both complexity and scalability when compared to the state-of-the-art methods, especially in the scenario of multi-domain dialogues entangled with many turns of utterances. %R 10.18653/v1/2021.naacl-main.27 %U https://aclanthology.org/2021.naacl-main.27 %U https://doi.org/10.18653/v1/2021.naacl-main.27 %P 289-295