Her earliest work included techniques for automatically answering questions about program behavior to support debugging, program understanding, and reuse. Her later work studied interactions between developers and users, and techniques for web scale aggregation of user intent through help systems; she co-founded AnswerDash to commercialize these ideas. Her latest work investigates programming skills and new methods for learning them, including the programming language knowledge, APIs knowledge, and programming strategies. Her work spans over 80 peer-reviewed publications, 11 receiving best paper awards and 4 receiving most influential paper awards.