Knowbot is a QA system that learns about its domain by interacting with its users through open, natural language dialogs.
Publication: Ben Hixon, Peter Clark, and Hannaneh Hajishirzi. (2015). Learning knowledge graphs for question answering through conversational dialog. Presented at the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL 2015), Denver, Colorado. May 31 - June 5, 2015.