Reactive Programming Optimizations in Pervasive Computing. - Chao Chen 020; Yi Xu 021; Kun Li; Sumi Helal (SAINT, 2010)

Optimizing push/pull envelopes for energy-efficient cloud-sensor systems. - Yi Xu 021; Sumi Helal; My T. Thai; Mark S. Schmalz (MSWiM, 2011)

An Optimization Framework for Cloud-Sensor Systems. - Yi Xu 021; Sumi Helal (CloudCom, 2014)

Application caching for cloud-sensor systems. - Yi Xu 021; Sumi Helal (MSWiM, 2014)

Scalable Cloud-Sensor Architecture for the Internet of Things. - Yi Xu 021; Abdelsalam Helal (IEEE Internet Things J., 2016)

Latency Optimization in Large-Scale Cloud-Sensor Systems. - Adhithya Balasubramanian; Sumi Helal; Yi Xu 021 (Open J. Internet Things, 2017)

Energy Savings in Very Large Cloud-IoT Systems. - Yi Xu 021; Sumi Helal; Choonhwa Lee; Ahmed E. Khaled (Open J. Internet Things, 2019)