+WalkMore: Promoting Walking with Just-in-Time Context-Aware Prompts. IEEE Wireless Health, Bethesda, MD, October 2016.
+Sleep quality and mental disorders among college nursing students: The mediating role of perceived stress and coping styles. APHA Annual Meeting & Expo, Denver, CO, October 2016.
+ iHearFood: Eating Detection Using Commodity Bluetooth Headsets. IEEE CHASE, Washington DC, June 2016.
+ DeepFood: Deep Learning-based Food Image Recognition for Computer-aided Dietary Assessment. IEEE ICOST, Wuhan, China, May 2016.
+ Assisting Food Journaling with Automatic Eating Detection. ACM CHI, San Jose, CA, May 2016.
+ Automatic Eating Detection Using Head-Mount and Wrist-Worn Accelerometers, IEEE HealthCom, Boston, MA, October 2015.
+ Monitoring Sleep and Detecting Irregular Nights through Unconstrained Smartphone Sensing, IEEE UIC, Beijing, China, August 2015. DATA
+ Changing Health Behaviors through Social and Physical Context Awareness, IEEE ICNC, Anaheim, CA, February 2015.
+ MVPTrack: Energy-Efficient Places and Motion States Tracking. MobiQuitous, Tokyo, Japan, December 2013.
+ Unsupervised Detection of Abnormal Moments for Usability Testing of Mobile Apps. ACM CHI, May 2016.
+ Implementation of a Computerized Screening Inventory: Improved Usability Through Iterative Testing and Modification, Journal of Medical Internet Research Usability Factors (JMIR UF). Vol 3, No 1: Jan-Jun, 2016.
+ Controlling Smart TVs using Touch Gestures on Mobile Devices. UFirst, Beijing, China, August 2015.
+ A Pilot Study of an Inspection Framework for Automated Usability Guideline Reviews of Mobile Health Applications. Wireless Health, NIH Bethesda, MD, October 2014.
+ A New Method for Automated GUI Modeling of Mobile Applications. MobiQuitous, Tokyo, Japan, December 2013.
+ Design and Implementation of a Toolkit for Usability Testing of Mobile Apps. ACM/Springer Mobile Networks and Applications (MONET). 18(1):81-97. February 2013.
+ Beyond Smartphone Overuse: Identifying Addictive Mobile Apps. ACM CHI, May 2016.
+ Automatic Mobile Photo Tagging Using Context. IEEE TENCON, Xi'an, China, October 2013.
+ Providing Diagnostic Network Feedback to End Users on Smartphones. IEEE IPCCC, San Diego, CA, December 2013.
+ Nihao: A Predictive Smartphone Application Launcher. MobiCase, Seattle, WA, October 2012.
+ Predicting Mobile Application Usage Using Context Information. ACM UbiComp, Pittsburgh, PA. September 2012.
+ CrowdTasker: Maximizing Coverage Quality in Piggyback Crowdsensing under Budget Constraint. IEEE PerCom, St. Louis, Missouri, March 2015.
+ CrowdRecruiter: Selecting Participants for Piggyback Crowdsensing under Probabilistic Coverage Constraint. ACM UbiComp, Seattle, WA, September 2014.
+ Exploring Structural Analysis of Place Networks Using Check-In Signals. IEEE GLOBECOM, Atlanta, GA, December 2013.
+ Understanding Weight Change Behaviors Through Online Social Networks. International Journal of Computational Models and Algorithms in Medicine (IJCMAM), 2(3):46-69, July-September 2011.
+ Malware Propagation in Online Social Networks: Nature, Dynamics, and Defense Implications. ASIACCS, Hong Kong, China, March 2011.
+ Sharing Location in Online Social Networks. IEEE Networks Special Issue on Online Social Networks, September-October 2010.
+ Multi-Layer Friendship Modeling for Location-based Mobile Social Networks. MobiQuitous, Toronto, Canada, July 2009. Best Paper Award.
+ Robust Detection of Unauthorized Wireless Access Points. ACM/Springer Mobile Networks and Applications (MONET), 14:4, August 2009.
+ Model-based Fault Diagnosis for IEEE 802.11 Wireless LANs. MobiQuitous, Toronto, Canada, July 2009.
+ MAP: A Scalable Monitoring System for Dependable 802.11 Wireless Networks. IEEE Wireless Communications, Special Issue on Dependability Issues with Ubiquitous Wireless Access. August 2008.
+ Detecting 802.11 MAC Layer Spoofing Using Received Signal Strength. IEEE InfoCom, Phoenix, AZ. April 2008.