Spatial scaffolding cues for interactive robot learning. - Matt Berlin; Cynthia Breazeal; Crystal Chao (IROS, 2008)

Teaching Robots via Natural Nonverbal Cues. - Cynthia Breazeal; Matt Berlin; Jesse Gray; Crystal Chao (ISER, 2008)

Interactive Task Learning with Discrete and Continuous Features. - Crystal Chao; Maya Cakmak; Andrea Lockerd Thomaz (Visual Representations and Reasoning, 2010)

Interactive Learning by Demonstration with the Simon Robot. - Crystal Chao; Michael J. Gielniak; Jae Wook Yoo; Andrea Lockerd Thomaz (Enabling Intelligence through Middleware, 2010)

Turn Taking for Human-Robot Interaction. - Crystal Chao; Andrea Lockerd Thomaz (AAAI Fall Symposium: Dialog with Robots, 2010)

Interactive robot task learning. - Andrea Lockerd Thomaz; Maya Cakmak; Crystal Chao; Nicholas DePalma; Michael J. Gielniak (CHI Extended Abstracts, 2010)

Transparent active learning for robots. - Crystal Chao; Maya Cakmak; Andrea Lockerd Thomaz (HRI, 2010)

Designing Interactions for Robot Active Learners. - Maya Cakmak; Crystal Chao; Andrea Lockerd Thomaz (IEEE Trans. Auton. Ment. Dev., 2010)

Adaptive Integration of Multiple Cues for Contingency Detection. - Jinhan Lee; Crystal Chao; Andrea Lockerd Thomaz; Aaron F. Bobick (HBU, 2011)

Towards grounding concepts for transfer in goal learning from demonstration. - Crystal Chao; Maya Cakmak; Andrea Lockerd Thomaz (ICDL-EPIROB, 2011)

Simon plays Simon says: The timing of turn-taking in an imitation game. - Crystal Chao; Jinhan Lee; Momotaz Begum; Andrea Lockerd Thomaz (RO-MAN, 2011)

Turn-Taking Based on Information Flow for Fluent Human-Robot Interaction. - Andrea Lockerd Thomaz; Crystal Chao (AI Mag., 2011)

Timing multimodal turn-taking for human-robot cooperation. - Crystal Chao (ICMI, 2012)

Multi-cue Contingency Detection. - Jinhan Lee; Crystal Chao; Aaron F. Bobick; Andrea Lockerd Thomaz (Int. J. Soc. Robotics, 2012)

Timing in multimodal turn-taking interactions: control and analysis using timed Petri nets. - Crystal Chao; Andrea Lockerd Thomaz (J. Hum. Robot Interact., 2012)

Controlling social dynamics with a parametrized model of floor regulation. - Crystal Chao; Andrea Lockerd Thomaz (J. Hum. Robot Interact., 2013)

CADENCE for Collaboration and Companionship with Robots. - Crystal Chao; Justin S. Smith; Andrea Thomaz (AAAI Fall Symposia, 2014)

Timing in human-robot interaction. - Guy Hoffman; Maya Cakmak; Crystal Chao (HRI, 2014)

Real-time changes to social dynamics in human-robot turn-taking. - Justin S. Smith; Crystal Chao; Andrea Lockerd Thomaz (IROS, 2015)

Timed Petri nets for fluent turn-taking over multimodal interaction resources in human-robot collaboration. - Crystal Chao; Andrea Thomaz (Int. J. Robotics Res., 2016)

Timing multimodal turn-taking in human-robot cooperative activity. - Crystal Chao (2016)