Xiaohui Liang


Assistant Professor, IEEE Senior Member [CV]
Department of Computer Science
University of Massachusetts at Boston
Address: McCormack Hall, 3rd Floor, M-3-201-24 
100 Morrissey Boulevard, Boston, MA 02125, US

Office Phone: 617-287-6791
Email: Xiaohui.Liang~at~umb.edu


Xiaohui Liang is an Assistant Professor with the Department of Computer Science at University of Massachusetts, Boston (UMB) where he leads the Mobile Computing and Privacy (MobCP) Lab. His research interests are Mobile Healthcare, Internet of Things, Wearable Computing, and Security and Privacy for Communication and Networking Systems. He has published over 100 refereed journal and conference papers. He received the Early Career Research Excellence Award from UMass Boston College of Science and Mathematics in 2020, the Early Career Award for Excellence in Scalable Computing from IEEE Technical Committee on Scalable Computing in 2017, the Best Land Transportation Paper Award from IEEE Vehicular Technology Society in 2017, the Internet of Things Technology Research Award from Google in 2016, the Best Paper Award in BodyNets 2010. His Google Scholar H-Index is 49 and total citation is 9901 as of May 2021. He is the Single PI of an NIH R01 Project 2019-2023 and the Lead PI of an NSF Project 2016-2020. Prior to joining UMB in Fall 2015, he was a Postdoctoral Researcher (with Professor David Kotz, FIEEE) at Dartmouth College in 2014-2015, and worked on an NSF frontier project THaW. He received the PhD degree (awarded Outstanding Achievement in Graduate Studies) in Electrical and Computer Engineering (under the supervision of Professor Sherman Shen, FIEEE and Professor Xiaodong Lin, FIEEE), University of Waterloo, Canada, in 2013. He received the BSc (ACM class, with the University Excellent Undergraduate Thesis Award) and MSc degree (with the Shanghai Excellent Master Thesis Award) in Computer Science from Shanghai Jiao Tong University, China, in 2006 and 2009, respectively.

Xiaohui is looking for self-motivated PhD students in Spring/Fall 2021, who are interested in or have previous research experiences on voice analysis, data mining, deep learning, and mobile computing! [PhD recruitment] Watch "Life is Hard,""Decrease Your Options" and read "Winner or Loser", Graduate Guide, and Writing Guide! Email your CV!


Updates

  • June 10, 2021 - Our paper "Exploiting Physical Presence Sensing to Secure Voice Assistant Systems" has been selected as the Best Paper of ICC 2021 (15 out of 1881 submissions). Congratulations to Bang!
  • June 2, 2021 - One paper "WavBERT: Exploiting Semantic and Non-semantic Speech using Wav2vec and BERT for Dementia Detection" co-authored with Youxiang Zhu, Abdelrahman Obyat, John Batsis, and Robert Roth, has been accepted by INTERSPEECH 2021. Congratulations to my PhD student Youxiang Zhu!
  • May 17, 2021 - Xiaohui's group and SondeHealth will collaborate on research related to vocal biomarkers and mental health disorders. Thanks to Jim Schwoebel, Vice President of Data and Research of SondeHealth, for this collaboration opportunity and the access to the voice dataset collected over thousands of users at Sonde Health.
  • March 14, 2021 - Welcome to submit papers to e-Health track of IEEE International Conference on Communications (ICC), 2022. Deadline: 11 October 2021. [CFP]
  • May 7, 2021 - Xiaohui presented an Overview of Voice Assistant System Research in the Industrial Advisory Board Meeting.
  • April 26, 2021 - Xiaohui has joined the Technical Program Committee of IEEE INFOCOM 2022.
  • March 11, 2021 - One paper "Exploring Deep Transfer Learning Techniquesfor Alzheimer's Dementia Detection" co-authored with Youxiang Zhu, John Batsis, and Robert Roth, has been accepted by Frontiers in Computer Science Special Issue on Alzheimer's Dementia Recognition through Spontaneous Speech. Congratulations to my PhD student Youxiang Zhu!
  • March 1, 2021 - We have reported our initial results in a recent paper "Evaluating Voice-Assistant Commands for Dementia Detection!" co-authored with John Batsis, Youxiang Zhu, Tiffany Driesse, Robert Roth, David Kotz, and Brian MacWhinney. The newly-collected data includes 1685 Alexa commands over 40 older adults (age > 65).
  • Februry 10, 2021 - Xiaohui served as a panelist on Design Next-Generation, Useful, and Usable Digital Health Technologies at University of Massachusetts "zoom summit" in Data-Driven and Technology-Informed Precision Health!
  • Februry 8, 2021 - Xiaohui served as a panelist on Trustworthy AI systems at University of Massachusetts "zoom summit" in Artificial Intelligence, Robotics and Data Science!
  • January 24, 2021 - One paper "Exploiting Physical Presence Sensing to Secure Voice Assistant Systems" has been accepted by IEEE 2021 IEEE International Conference on Communications (ICC). Congratulations to my PhD student Bang Tran!
  • November 29, 2020 - Our paper "Securely Connecting Wearables to Ambient Displays with User Intent" was highlighted in IEEE Computer's Spotlight on Transactions 2020.
  • November 15, 2020 - Congratulations to my previous PhD student Thamer, who has successfully raised funds for his smart locker startup RedBox. News
  • October 20, 2020 - Our LIDAUS paper has been selected as the Best Paper of IPCCC 2020. Congratulations to Yue and Prof. Honggang Zhang!
  • October 15, 2020 - Xiaohui participated in the NSF-funded workshop on Technology for Automated Capture of Diet, Nutrition, and Eating Behaviors in Context, 2020.
  • September 30, 2020 - One paper "Exploiting Peer-to-peer Communications for Query Privacy Preservation in Voice Assistant Systems" has been accepted by Peer-to-Peer Networking and Applications, Springer, 2020. Congratulations to my PhD student Bang Tran!
  • September 25, 2020 - Our research has been highlighted at UMass Boston News.
  • August 31, 2020 - One paper "LIDAUS: Localization of IoT Device via Anchor UAV SLAM" has been accepted by IEEE International Performance Computing and Communications Conference (IPCCC), 2020.
  • August 17, 2020 - We have worked on a paper, "Exploiting Fully Convolutional Network and Visualization Techniques on Spontaneous Speech for Dementia Detection."
  • August 14, 2020 - Congratulations to Chenjun Li, an intelligent and hardworking student, who will start a new career in September 2020 as a software engineer at Harvard Pilgrim Health Care, Boston!
  • July 25, 2020 - Xiaohui will serve as the Track Chair of the e-Health track of IEEE International Conference on Communications (ICC), 2022!
  • June 24, 2020 - Xiaohui is elevated to IEEE Senior Member.
  • June 5, 2020 - Xiaohui received the Early Career Research Excellence Award from UMass Boston College of Science and Mathematics (CSM).
  • May 9, 2020 - Xiaohui will serve as a Co-Chair of the Security Track of IEEE International Conference on Parallel and Distributed Systems (ICPADS) 2020. (Deadline is July 15, 2020)
  • April 18, 2020 - Our project website is online at CogVox.org
  • April 14, 2020 - Xiaohui introduced his project on UMass Boston CSM Virtual Welcome Day [Video]
  • March 10, 2020 - Our Patent "Secure system for coupling wearable devices to computerized devices with displays" was granted. U.S. Patent 10,581,606, March 2020.
  • March 5, 2020 - Our Patent "Apparatus for securely configuring a target device and associated methods" was granted. U.S. Patent 10,574,298, February 2020. [News]
  • February 10, 2020 - Wonderful Google Home and Amazon Alexa Technology: Voice Assistant Systems for Older Adults. [Loretta | Google Super Bowl Commercial 2020] [Amazon Echo | Saturday Night Live]
  • January 28, 2020 - NSF/NIH R01 2019-2023 "SCH: INT: Exploiting Voice Assistant Systems for Early Detection of Cognitive Decline." [NIH][UMB News][Valley News][Other News1][[2][3][4][5][6].
  • January 27, 2020 - One paper "Exploiting Privacy-preserving Voice Query in Healthcare-based Voice Assistant System" has been accepted by IEEE International Conference on Communications (ICC), 2020.
  • January 6-7, 2020 - Xiaohui attended 2020 NSF Smart Connected Health (SCH) Annual PI meeting in Alexandria, VA. [Poster]
  • December 9-13, 2019 - Xiaohui attended IEEE Global Communications Conference in Waikoloa, HI.
  • November 19, 2019 - Xiaohui reached Jim Schwoebel for discussing Xiaohui's new NIH R01 grant and voice computing techniques for mobile health purposes. Jim is the CEO at SurveyLex and the author of a book on "Voice Computing". Thanks, Jim!
  • November 9, 2019 - Xiaohui will teach CS442/642 "Cybersecurity in the Internet of Things" and CS480/697 "Applied Cryptography" in Spring 2020. Learn Voice assistant systems, Bitcoin, Blockchain, and have hands-on experiences. Send me an email to get enrolled!
  • November 6, 2019 - Xiaohui becomes one of the three nominees by UMass Boston for the 2020 Blavatnik National Awards for Young Scientists.
  • November 4-5, 2019 - Xiaohui attended NSF CSR/NeTS 2019 Joint PI Meeting in Arlington, VA. [Poster]
  • October 25, 2019 - Xiaohui gave a talk "VoiceForHealth: Exploring Voice Assistant Systems for Mobile Healthcare" at UMass Dartmouth, MA.
  • October 22, 2019 - Xiaohui's office and lab have been moved to a new space. Join us and do great works!
  • October 16, 2019 - Xiaohui is appointed as an Associated Editor of IEEE Internet of Things Journal (IF 9.515).
  • September 17, 2019 - Xiaohui (PI) receives an NIH/NIA R01 grant on "SCH: INT: Collaborative Research: Exploiting Voice Assistant Systems for Early Detection of Cognitive Decline".
  • September 3, 2019 - Xiaohui is teaching CS240 Programming in C for a 75+ student class. Course materials are posted in Piazza and Blackboard. Check overview!
  • June-August, 2019 - Two master students Chenjun Li and Wenxiu Ye (both working as full-time chefs at restaurants) have been working as summer interns on an interesting IoT project, "Smart Chef Assistant". Undergraduate and graduate students are welcome to join Xiaohui's lab to develop novel and useful IoT projects.
  • April 9, 2019 - Congratulations to my PhD student Mohammad Hadian, who successfully defended his thesis on "Enhancing User-oriented Security and Privacy in Emerging Data Sharing and Sensing Services"! [Photo] Mohammad will be a visiting professor at Clark University, MA, 2019-2020.
  • February 21, 2019 - One paper "Privacy-preserving Task Scheduling for Time-sharing Services of Autonomous Vehicles" has been accepted by IEEE Transactions on Vehicular Technology 2019. Congratulations to my PhD student Mohammad!
  • February 18, 2019 - One paper "Energy Theft Detection with Energy Privacy Preservation in the Smart Grid" has been accepted by IEEE Internet of Things Journal 2019.
  • January 8, 2019 - One paper "Revealing Your Mobile Password via WiFi Signals: Attacks and Countermeasures" has been accepted by IEEE Transactions on Mobile Computing 2019.
  • January 7, 2019 - Xiaohui will teach a new course CS480/697 "Special Topics in Applied Cryptography" in Spring 2019. Please send me an email or Debbie Wade for enrollment.
  • November 20, 2018 - Congratulations to my first PhD student Thamer AlTuwaiyan, who successfully defended his thesis on "Toward Data Privacy Related to the Internet of Things"! [Photo] Thamer is going to join Shaqra University as an assistant professor from Fall 2019.
  • October 20, 2018 - Two papers have been accepted by IEEE ICNC 2019.
  • September 1, 2018 - Congratulations to my PhD student Mohammad Hadian, who joined the Computer Science Department of Clark University as a Visiting Assistant Professsor 2018-2019!
  • July 15, 2018 - Two papers have been accepted by IEEE GLOBECOM 2018. Thanks to my PhD students!
  • July 13, 2018 - Xiaohui gave a talk on "Towards Trustworthy User Review Social Networks" at 2018 International Workshop on Internet of Things, Chengdu, Sichuan, China, July 13-14, 2018.
  • May 9, 2018 - One paper "Securely Connecting Wearables to Ambient Displays with User Intent" has been accepted by IEEE Transactions on Dependable and Secure Computing 2018.
  • April 13, 2018 - One paper "Privacy-preserving Voice-based Search over mHealth Data" has been accepted by Journal of Smart Health 2018. Congratulations to my PhD student Mohammad!
  • March 21, 2018 - Xiaohui gave a talk on "Smoke Screener or Straight Shooter: Detecting Elite Sybil Attacks in User-Review Social Networks" at Dartmouth College, NH
  • March 16, 2018 - One paper "WiVo: Enhancing the Security of Voice Control System via Wireless Signal in IoT Environment" has been accepted by the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc) 2018. (Accepting ratio 16.9%).
  • Jan 7, 2018 - One paper "EPIC: Efficient Privacy-preserving Contact Tracing for Infection Detection" has been accepted by IEEE ICC Conference, 2018. Thanks to my PhD student Thamer!
  • January 4, 2018 - Xiaohui received a Joseph P. Healey Research Grant (Jan. 2018 - Dec. 2018) from University of Massachusetts Boston!
  • November 22, 2017 - Xiaohui received the IEEE Technical Committee on Scalable Computing (TCSC) Award for Excellence in Scalable Computing for Early Career Researchers (ECR) 2017. [Cert]
  • October 26, 2017 - One paper "Smoke Screener or Straight Shooter: Detecting Elite Sybil Attacks in User-Review Social Networks" has been accepted by the Network and Distributed System Security Symposium (NDSS 2018). (Acceptance ratio 20%)
  • September 26, 2017 - Xiaohui received 2017 Best Land Transportation Paper Award for his paper co-authored with Rongxing Lu, Xiaodong Lin, Tom H. Luan, Xuemin Shen entitled "Pseudonym changing at social spots: An effective strategy for location privacy in VANETs," IEEE Transactions on Vehicular Technology, Vol. 61, No. 1, pp. 86-96, January 2012. [Cert][Photo]
  • October 13, 2017 - We are organizing a special issue on "Security in Medical Cyber-Physical Systems" at Smart Health by Elsevier, the deadline is September 30, 2017. Check CFP!
  • September 1, 2017 - One paper "SPICE: Secure Proximity-based Infrastructure for Close Encounters" has been accepted by CrowdSenSys 2017.
  • August 31, 2017 - Xiaohui gave a talk on "Towards Privacy Preserving Autonoumous Vehicle Sharing Services"at Zhejiang University, China.
  • July 25, 2017 - One paper "Re-DPoctor: Real-time Health Data Releasing with w-day Differential Privacy" has been accepted by IEEE GLOBECOM 2017.
  • June, 2017 - Xiaohui has joined the Technical Program Committee of WCSP 2017, ICC 2018.
  • May 15, 2017 - One paper "Privacy-preserving Time-sharing Services for Autonomous Vehicles" has been accepted by IEEE Vehicular Technology Conference (VTC), 2017. Thanks to my PhD student Mohammad!
  • April 27, 2017 - One paper "Efficient and Privacy-preserving Voice-based Search over mHealth Data" has been accepted by IEEE Workshop on Security, Privacy, and Trustworthiness in Medical Cyber-Physical Systems (MedSPT) in conjunction with CHASE 2017.
  • April 25, 2017 - One paper "AuthoRing: Wearable User-presence Authentication" has been accepted by ACM Workshop on Wearable Systems and Applications (WearSys) in conjunction with MobiSys 2017.
  • November 25, 2016 - One paper "LightTouch: Securely Connecting Wearables to Ambient Displays with User Intent" has been accepted by IEEE INFOCOM, 2017. (Acceptance ratio 20.93%)
  • October 21, 2016 - One paper "Efficient Public Verification of Data Integrity for Cloud Storage Systems from Indistinguishability Obfuscation" has been accepted by IEEE Transactions on Information Forensics & Security, 2016.
  • October 12, 2016 - One paper "Exploiting Social Network to Enhance Human-to-Human Infection Analysis Without Privacy Leakage" has been accepted by IEEE Transactions on Dependable and Secure Computing, 2016.
  • September, 2016 - Xiaohui has joined the Technical Program Committee of ICCCN 2017, VTC 2017.
  • September 27-28, 2016 - Xiaohui attended 2016 Strategic Innovation Symposium: The Intelligent Enterprise at Harvard University in Boston, MA. [Program]
  • August 24, 2016 - One paper "Privacy Leakage of Location Sharing in Mobile Social Networks: Attacks and Defense" has been accepted by IEEE Transactions on Dependable and Secure Computing, 2016.
  • August 9, 2016 - One research project "Towards Privacy-Preserving Autonomous Vehicle Sharing Services" has been funded by National Science Foundation (NSF). [Link]
  • July 31, 2016 - Xiaohui gave a talk on "Security, Privacy, and Trustworthiness in Medical Cyber Physical Systems"at Zhejiang University, China. [Link]
  • July 22, 2016 - One paper "When CSI Meets Public WiFi: Inferring Your Mobile Phone Password via WiFi Signals" has been accepted by the 23nd ACM Conference on Computer and Communications Security (CCS 2016). (Acceptance ratio 16.37%)
  • July 22-24, 2016 - Xiaohui attended the third annual Community College Cyber Summit (3CS) at Pittsburgh, Pennsylvania.
  • July 1, 2016 - One paper "Privacy-preserving mHealth Data Release with Pattern Consistency" has been accepted by IEEE GLOBECOM 2016. Thanks to my PhD students Mohammad!
  • June 27, 2016 - The First International Workshop on Security, Privacy, and Trustworthiness in Medical Cyber Physical Systems (MedSPT 2016) has been successfully held! It is organized in conjunction with IEEE CHASE 2016 at Washington DC! [Program]

  • May 23, 2016 - One paper "Towards Efficient and Privacy-preserving Location-based Comment Sharing" has been accepted by IEEE/CIC International Conference on Communications in China (ICCC), 2016. Thanks to my PhD student Thamer!
  • May 9-10, 2016 - Xiaohui presented a poster "Torwards Privacy-Preserving mHealth Data Release" at the Computing Community Consortium workshop on Computing Research: Addresssing National Priorities and Societal Needs at Washington, DC. [Poster Video]
  • May 9, 2016 - One paper "Privacy-Preserving Ride Sharing Scheme for Autonomous Vehicles in Big Data Era" has been accepted by IEEE Internet of Things Journal, 2016.
  • April 13, 2016 - Xiaohui received an Internet of Things (IoT) Technology Research Award from Google! [Flyer]
  • April 12, 2016 - Xiaohui received a Joseph P. Healey Research Grant (July 2016 - June 2017) from University of Massachusetts Boston!
  • April 4, 2016 - Xiaohui attended NSF CISE CAREER Workshop at Arlington, Virginia.
  • March 27, 2016 - Xiaohui has joined the Technical Program Committee of IEEE INFOCOM 2017.
  • February 28, 2016 - Xiaohui has joined the Technical Program Committee of IEEE GLOBECOM 2016.
  • January 15, 2016 - One paper "PIF: A Personalized Fine-grained Spam Filtering Scheme with Privacy Preservation in Mobile Social Network" has been accepted by IEEE Transactions on Computational Social Systems, 2016.
  • Nov 26, 2015 - One paper "Wanda: Securely Introducing Mobile Devices" has been accepted by IEEE INFOCOM, 2016. (Acceptance ratio 18.25%)
  • Oct. 14, 2015 - Xiaohui gave a tutorial presentation on "Security and Privacy in E-health Systems" at IEEE HealthCom 2015.
  • May 11, 2015 - One paper "Security and Privacy for Mobile Healthcare Networks - from Quality-of-Protection Perspective" has been accepted by IEEE Wireless Communications Magazine, 2015.
  • March 24, 2015 - Xiaohui has joined the Technical Program Committee of IEEE INFOCOM 2016.
  • Februray 19, 2015 - One paper "Enabling Fine-grained Multi-keyword Search Supporting Classified Sub-dictionaries over Encrypted Cloud Data" has been accepted by IEEE Transactions on Dependable and Secure Computing, 2015.
  • January 5, 2015 - Xiaohui attended the National Science Foundation Secure and Trustworthy Cyberspace (SaTC) Principal Investigators' Meeting and presented a poster on January 5-7, 2015 in Arlington, Virginia.
  • December 1, 2014 - Xiaohui received the "Statement of Accomplishment with Distinction" from Vanderbilt University's course "An Introduction to Evidence-Based Undergraduate STEM Teaching". (196 out of 5908 participants, 3.3%)
  • November 16, 2014 - One paper "Exploiting Mobile Social Behaviors for Sybil Detection" has been accepted by IEEE INFOCOM 2015. (Acceptance ratio 19%)
  • August 19, 2014 - Xiaohui gave a presentation on "Securely Connecting Wearable Health Devices to External Displays," USENIX Summit on Health Information Technologies, August, 2014. Presentation
  • July 21, 2014 - His SpringerBriefs book "Security and Privacy in Mobile Social Networks", was reviewed in July’s ACM Computing Reviews. Review
  • June 16-19, 2014 - Xiaohui attended Mobisys 2014 held in Bretton Woods, US, and presented a poster "Balancing Disclosure and Utility of Personal Infomation".
  • April 27-May 2, 2014 - Xiaohui attended Infocom 2014 held in Toronto, Canada. 
  • January 23, 2014 - Xiaohui joined the Department of Computer Science at Dartmouth College as a Postdoctoral Researcher, funded by Trustworthy Health and Wellness (THaW).
  • December, 2014 - Xiaohui attended the Trustworthy Health and Wellness (THaW) Kick-off meeting.
  • November, 2013 - One SpringerBriefs book "Mobile Social Network: Challenges and Solutions of Security and Privacy" has been submitted and accepted.
  • August, 2013 - Xiaohui received the "Outstanding Achievement in Graduate Studies" honour from University of Waterloo.
  • June, 2013 - One paper "EPS: An Efficient and Privacy-Preserving Service Searching Scheme for Smart Community" has been accepted by IEEE Sensor Journal.
  • May, 2013 - Xiaohui received the Doctoral Thesis Completion Award, University of Waterloo.
  • January, 2013 - One paper "Fully Anonymous Profile Matching in Mobile Social Networks" has been accepted by IEEE Journal on Selected Areas in Communications.