@inproceedings{raux-etal-2018-pizzapal,
    title = "{P}izza{P}al: Conversational Pizza Ordering using a High-Density Conversational {AI} Platform",
    author = "Raux, Antoine  and
      Ma, Yi  and
      Yang, Paul  and
      Wong, Felicia",
    editor = "Blanco, Eduardo  and
      Lu, Wei",
    booktitle = "Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing: System Demonstrations",
    month = nov,
    year = "2018",
    address = "Brussels, Belgium",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/D18-2026/",
    doi = "10.18653/v1/D18-2026",
    pages = "151--156",
    abstract = "This paper describes PizzaPal, a voice-only agent for ordering pizza, as well as the Conversational AI architecture built at b4.ai. Based on the principles of high-density conversational AI, it supports natural and flexible interactions through neural conversational language understanding, robust dialog state tracking, and hierarchical task decomposition."
}