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Blocks World dialogue system: Creation of an end-to-end dialogue system capable of holding a spatial question-answering dialogue with a human about physical blocks which can be freely arranged on a table. Designed a semantic parser capable of processing a wide range of spatial questions into unscoped logical form (ULF) representations using hierarchical pattern transduction trees. Improved dialogue context and episodic memory in dialogue system to enable the system to answer questions about historical actions and relations. (Collaboration with Georgiy Platonov)
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SOPHIE (end-of-life communication dialogue system): Creation of a dialogue system and virtual human capable of acting as a cancer patient in practice doctor-patient dialogues. Developed in conjunction with collaborators in the ROC HCI lab and the UR Medical Center (URMC), with the goal of helping doctors to improve communication in end-of-life dialogue scenarios. (Collaboration with ROC HCI and URMC Center for Communication and Disparities Research)
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Belief, Desire, and Fine-Grained Inference: Collection of lexical-scale human annotations targeting the belief & desire properties of different English verbs. Empirical analysis of the relations between these lexical semantic properties and the syntactic distributions of these verbs. Creation of mixed-effects models which can be integrated with NLI systems to model annotator differences. (Collaboration with Will Gantt)