| 2026 | DASFAA | PlugSI: Plug-and-Play Test-Time Graph Adaptation for Spatial Interpolation. | Xuhang Wu, Zhuoxuan Liang, Wei Li, Xiaohua Jia, Sumi Helal |
| 2022 | HCI | Barriers and Facilitators to Technology Among Older Adults During COVID-19 Pandemic: A Systematic Review Using Thematic Analysis. | Susann M. Keohane, Caroline Swarbrick, Sumi Helal |
| 2021 | ICWS | Software Services Engineering Manifesto - A Cross-Cutting Declaration. | Carl K. Chang, Paolo Ceravolo, Rong N. Chang, Sumi Helal, Zhi Jin, Xuanzhe Liu, Ming Hua |
| 2021 | WWW | Completing Missing Prevalence Rates for Multiple Chronic Diseases by Jointly Leveraging Both Intra- and Inter-Disease Population Health Data Correlations. | Yujie Feng, Jiangtao Wang, Yasha Wang, Sumi Helal |
| 2020 | COMPSAC | What Happens in Peer-Support, Stays in Peer-Support: Software Architecture for Peer-Sourcing in Mental Health. | Mahsa Honary, Jaejoon Lee, Christopher Bull, Jiangtao Wang, Sumi Helal |
| 2020 | PERCOM | Participants Selection for From-Scratch Mobile Crowdsensing via Reinforcement Learning. | Yunfan Hu, Jiangtao Wang, Bo Wu, Sumi Helal |
| 2020 | PERCOM | Modeling and Reasoning of Contexts in Smart Spaces. | Jaewoong Lee, Sumi Helal |
| 2018 | SENSYS | DIY Health IoT Apps. | Ahmed E. Khaled, Wyatt Lindquist, Sumi Helal |
| 2017 | ICOST | High Fidelity Simulation and Visualization of Activities of Daily Living in Persim 3D. | Sirui Liu, Sumi Helal, Jaewoong Lee |
| 2017 | MOBICOM | Demo: Atlas Thing Architecture: Enabling Mobile Apps as Things in the IoT. | Sumi Helal, Ahmed E. Khaled, Venkata Gutta |
| 2017 | SMC | Topic detection based on similar networks. | Xin Liu, Feng Wang, Zhongwei Li, Weishan Zhang, Shuai Cao, Sumi Helal, Jiehan Zhou |
| 2016 | FlAIRS | Inferring Contexts from Human Activities in Smart Spaces. | Jaewoong Lee, Sumi Helal |
| 2016 | Persuasive | Cicero: Middleware for Developing Persuasive Mobile Applications. | Antonello D'Aloia, Matteo Lelli, Duckki Lee, Sumi Helal, Paolo Bellavista |
| 2015 | ICOST | Activity Playback Modeling for Smart Home Simulation. | Sirui Liu, Sumi Helal, Jaewoong Lee |
| 2015 | UIC | WSelector: A Multi-scenario and Multi-view Worker Selection Framework for Crowd-Sensing. | Jiangtao Wang, Sumi Helal, Yasha Wang, Daqing Zhang |
| 2014 | CloudCom | An Optimization Framework for Cloud-Sensor Systems. | Yi Xu, Sumi Helal |
| 2014 | COMPSAC | A Formal Modeling for Exceptions in Context-Aware Systems. | Tae-Seob Yoon, Joong-Hyun Choi, Eun-Sun Cho, Sumi Helal |
| 2014 | MSWIM | Application caching for cloud-sensor systems. | Yi Xu, Sumi Helal |
| 2014 | UIC | Palantir: Crowdsourced Newsification Using Twitter. | Prthvi Raj, Sumi Helal |
| 2013 | COMPSAC | An Integrated Formal Model for Context-Aware Systems. | Eun-Sun Cho, Tae-Seob Yoon, Joong-Hyun Choi, Joon-Young Paik, Sumi Helal |
| 2013 | ICOST | Fuzzy Logic Based Activity Life Cycle Tracking and Recognition. | Eunju Kim, Sumi Helal |
| 2013 | ICOST | From Activity Recognition to Situation Recognition. | Duckki Lee, Sumi Helal |
| 2013 | ICOST | Assessing Behavioral Responses in Persuasive Ubiquitous Systems. | Duckki Lee, Sumi Helal, Yunsick Sung |
| 2013 | MOBICOM | Spaceify: a client-edge-server ecosystem for mobile computing in smart spaces. | Petri Savolainen, Sumi Helal, Jukka Reitmaa, Kai Kuikkaniemi, Giulio Jacucci, Mikko Rinne, Marko Turpeinen, Sasu Tarkoma |
| 2013 | UIC | Dynamic Parameter Filling for Semantic Exceptions in Context-Aware Systems. | Eun-Sun Cho, Joong-Hyun Choi, Sumi Helal |
| 2012 | COMPSAC | An Intermediate Language for Semantic Exceptions in Context-Aware Systems. | Eun-Sun Cho, Sumi Helal |
| 2012 | UIC | Toward Efficient Detection of Semantic Exceptions in Context-Aware Systems. | Eun-Sun Cho, Sumi Helal |
| 2011 | MSWIM | Optimizing push/pull envelopes for energy-efficient cloud-sensor systems. | Yi Xu, Sumi Helal, My T. Thai, Mark S. Schmalz |
| 2011 | UIC | Modeling Human Activity Semantics for Improved Recognition Performance. | Eunju Kim, Sumi Helal |
| 2010 | COMPSAC | Panel Description: Towards New Roles and System Architecture Supporting the Full Life Cycle of Smart Spaces. | Sumi Helal |
| 2010 | ICOST | An Action-Based Behavior Model for Persuasive Telehealth. | Duckki Lee, Sumi Helal, Brian David Johnson |
| 2010 | MDM | A Mobile-Cloud Collaborative Traffic Lights Detector for Blind Navigation. | Pelin Angin, Bharat K. Bhargava, Sumi Helal |
| 2010 | UIC | Toward a Programming Model for Safer Pervasive Spaces. | Chao Chen, Sumi Helal |
| 2010 | UIC | Programming Pervasive Spaces. | Sumi Helal |
| 2010 | UIC | The Making of a Dataset for Smart Spaces. | Eunju Kim, Sumi Helal, Jaewoong Lee, Shantonu Hossain |
| 2009 | ICOST | Participatory Medicine: Leveraging Social Networks in Telehealth Solutions. | Mark Weitzel, Andy Smith, Duckki Lee, Scott de Deugd, Sumi Helal |
| 2007 | UIC | Context-Aware Service Composition for Mobile Network Environments. | Choonhwa Lee, Sunghoon Ko, Seungjae Lee, Wonjun Lee, Sumi Helal |
| 2006 | ICSEA | UbiNet: A Generic and Ubiquitous Service Provider Framework. | Jinsuo Zhang, Sumi Helal |
| 2005 | ISWC | RFID Information Grid for Blind Navigation and Wayfinding. | Scooter Willis, Sumi Helal |
| 2004 | PERCOM | Drishti: An Integrated Indoor/Outdoor Blind Navigation System and Service. | Lisa Ran, Sumi Helal, Steve Moore |
| 2003 | WCNC | Konark - a service discovery and delivery protocol for ad-hoc networks. | Sumi Helal, Nitin Desai, Varun Verma, Choonhwa Lee |
| 2001 | AICCSA | A Three-Tier Architecture for Ubiquitous Data Access. | Sumi Helal, Joachim Hammer, Jinsuo Zhang, Abhinav Khushraj |
| 2000 | WCNC | An architecture for wireless LAN/WAN integration. | Sumi Helal, Choonhwa Lee, Yongguang Zhang, Golden G. Richard III |