Our Experts

Journal Articles

1. Zhen Yang, Jun Ying, Junjie Shen, Yiheng Feng, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2023) “Anomaly Detection Against GPS Spoofing Attacks on Connected and Autonomous Vehicles Using Learning From Demonstration”, IEEE Transactions on Intelligent Transportation Systems, 24(9), pp. 9462–9475. Available at: 10.1109/TITS.2023.3269029. [ITS-Irvine record]
2. Yiheng Feng, Shihong Ed Huang, Wai Wong, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2022) “On the Cybersecurity of Traffic Signal Control System With Connected Vehicles”, IEEE Transactions on Intelligent Transportation Systems, 23(9), pp. 16267–16279. Available at: 10.1109/TITS.2022.3149449. [ITS-Irvine record]
3. Yiheng Feng, Shihong Huang, Qi Alfred Chen, Henry X. Liu and Z. Morley Mao (2018) “Vulnerability of traffic control system under cyberattacks with falsified data”, Transportation Research Record, 2672(1), pp. 1–11. Available at: 10.1177/0361198118756885. [ITS-Irvine record]
4. Henry X. Liu, Xiaozheng He and Will Recker (2007) “Estimation of the time-dependency of values of travel time and its reliability from loop detector data”, Transportation Research Part B: Methodological, 41(4), pp. 448–461. Available at: 10.1016/j.trb.2006.07.002. [ITS-Irvine record]
5. Henry X. Liu, Will Recker and Anthony Chen (2004) “Uncovering the contribution of travel time reliability to dynamic route choice using real-time loop data”, Transportation Research Part A: Policy and Practice, 38(6), pp. 435–453. Available at: 10.1016/j.tra.2004.03.003. [ITS-Irvine record]
6. Lianyu Chu, Henry X. Liu, Will Recker and H. Michael Zhang (2004) “Performance evaluation of adaptive ramp-metering algorithms using microscopic traffic simulation model”, Journal of Transportation Engineering, 130(3), pp. 330–338. Available at: 10.1061/(asce)0733-947x(2004)130:3(330). [ITS-Irvine record]
7. Lianyu Chu, Henry X. Liu and Will Recker (2004) “Using Microscopic Simulation to Evaluate Potential Intelligent Transportation System Strategies Under Nonrecurrent Congestion”, Transportation Research Record: Journal of the Transportation Research Board, 1886(1), pp. 76–84. Available at: 10.3141/1886-10. [ITS-Irvine record]

Conference Papers

1. Zhen Yang, Jun Ying, Junjie Shen, Yiheng Feng, Qi Chen, Z. Mao and Henry Liu (2022) “Anomaly Detection in Localization Module of Autonomous Vehicles Using Learning from Demonstration”. 101st Annual Meeting of the Transportation Research Board. [ITS-Irvine record]
2. Yiheng Feng, Shihong Huang, Wai Wong, Qi Alfred Chen, Morley Mao and Henry Liu (2021) “On the Cybersecurity of Traffic Signal Control System with Connected Vehicles”. 100th Transportation Research Board (TRB) Annual Meeting, Washington, DC. [ITS-Irvine record]
3. Shengtuo Hu, Qi Alfred Chen, Jiachen Sun, Yiheng Feng, Z. Morley Mao and Henry X. Liu (2021) “Automated Discovery of {Denial-of-Service} Vulnerabilities in Connected Vehicle Protocols”, in 30th USENIX Security Symposium (USENIX Security 21), pp. 3219–3236. Available at: https://www.usenix.org/conference/usenixsecurity21/presentation/hu-shengtuo (Accessed: October 11, 2023). [ITS-Irvine record]
4. Wai Wong, Shihong Huang, Yiheng Feng, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2019) “Trajectory-based hierarchical defense model to detect cyber-attacks on transportation infrastructure”, in Proceedings of the 98th annual meeting of the transportation research board, p. 5p. [ITS-Irvine record]
5. Qi Alfred Chen, Yucheng Yin, Yiheng Feng, Z. Morley Mao and Henry X. Liu (2018) “Exposing congestion attack on emerging connected vehicle based traffic signal control”, in Proceedings 2018 network and distributed system security symposium. Internet Society, p. 15p. Available at: 10.14722/ndss.2018.23222. [ITS-Irvine record]
6. Wilfred W. Recker, Henry X. Liu and Xiaozheng He (2006) “Estimation of the time-dependency of values of travel time and its reliability from loop detector data”, in Proceedings of the 85th annual meeting of the transportation research board, p. 27p. [ITS-Irvine record]
7. Henry X Liu, Wenteng Ma, R Jayakrishnan, Will Recker, Hx Liu, W Ma, R Jayakr-Ishnan and W Recker (2005) “Distributed large-scale network modeling with paramics implementation”, in Proceedings. 2005 IEEE intelligent transportation systems, 2005.. IEEE / Citeseer. Available at: 10.1109/itsc.2005.1520053. [ITS-Irvine record]

Books and Book Chapters

1. Henry X. Liu, Will Recker and Anthony Chen (2004) “Travel time reliability. Using Real-time Loop Detector Data to Estimate Mixed Logit Route Choice”, in Assessing the benefits and costs of ITS. Springer US, pp. 241–261. Available at: https://doi.org/10.1007/1-4020-7874-9_13. [ITS-Irvine record]

Technical Reports

1. Will Recker, Younshik Chung, Jiyoung Park, Lesley Wang, Anthony Chen, Zhaowang Ji, Henry Liu, Matthew Horrocks and Jun-Seok Oh (2005) Considering Risk-Taking Behavior in Travel Time Reliability. Final Report UCB-ITS-PRR-2005-3. Institute of Transportation Studies, Irvine. Available at: https://escholarship.org/uc/item/59v844cr. [ITS-Irvine record]
2. Lianyu Chu, Henry Liu, Michael McNally and Will Recker (2005) Development of the Capability-Enhanced PARAMICS Simulation Environment. Final Report UCB-ITS-PRR-2005-12. Institute of Transportation Studies, Irvine, p. 102p. Available at: https://escholarship.org/uc/item/5df164mw. [ITS-Irvine record]
3. Henry Liu, Lianyu Chu and Will Recker (2005) Dynamic Path-Based Equilibrium Assignment With Microscopic Traffic Simulation. Final Report UCB-ITS-PRR-2005-13. Institute of Transportation Studies, Irvine, p. 17p. Available at: https://escholarship.org/uc/item/5cp244f4. [ITS-Irvine record]
4. Henry X. Liu, Wenteng Ma, R. Jayakrishnan and Will Recker (2004) Large-Scale Traffi c Simulation Through Distributed Computing of Paramics. Final Report UCB-ITS-PRR-2004-42. Institute of Transportation Studies, Irvine. Available at: https://escholarship.org/uc/item/4h1451bn. [ITS-Irvine record]
5. Henry X. Liu and Will Recker (2002) Enhancements of ATMIS Using Artificial Intelligence. Final Report UCB-ITS-PRR-2002-30. Institute of Transportation Studies, Irvine. Available at: https://escholarship.org/uc/item/3fh194sj. [ITS-Irvine record]

Working Papers

1. Lianyu Chu, Henry Liu (2009) Optimal Sensor Requirements. Available at: https://escholarship.org/uc/item/4rx7z9rf. [ITS-Irvine record]
2. Henry Liu (2008) Development of Hardware in the Loop Simulation and Paramics/VS-PLUS Integration. Available at: https://escholarship.org/uc/item/6mh248d6. [ITS-Irvine record]
3. Yafeng Yin, Henry Liu, Jorge Laval (2007) Development of an Integrated Microscopic Traffic Simulation and Signal Timing Optimization Tool. Available at: https://escholarship.org/uc/item/3r67f927. [ITS-Irvine record]
4. Lianyu Chu, Henry Liu, Will Recker (2003) Evaluation of Potential ITS Strategies Under Non-Recurrent Congestion Using Microscopic Simulation. Available at: https://escholarship.org/uc/item/74f7f2x0. [ITS-Irvine record]
5. Henry Liu, Jun-Seok Oh, Will Recker (2002) Adaptive Signal Control System with On-line Performance Measure for Single Intersection. Available at: https://escholarship.org/uc/item/3ks1w9qc. [ITS-Irvine record]
6. Henry Liu, Pitu Mirchandani (2002) An Analytical Dynamic Traffic Assignment Model with Probabilistic Travel Times and Travelers’ Perceptions. Available at: https://escholarship.org/uc/item/49h9x0wh. [ITS-Irvine record]
7. Henry Liu, Jun-Seok Oh, Lianyu Chu, Will Recker (2001) On-line Traffic Signal Control Scheme with Real-time Delay Estimation Technology. Available at: https://escholarship.org/uc/item/9n6948x2. [ITS-Irvine record]
8. Henry Liu, Lianyu Chu, Will Recker (2001) Paramics API Development Document for Actuated Signal, Signal Coordination and Ramp Control. Available at: https://escholarship.org/uc/item/5j4615sw. [ITS-Irvine record]

Preprints

1. Shihong Ed Huang, Wai Wong, Yiheng Feng, Qi Alfred Chen, Z. Morley Mao and Henry X. Liu (2020) “Impact Evaluation of Falsified Data Attacks on Connected Vehicle Based Traffic Signal Control”. arXiv. Available at: http://arxiv.org/abs/2010.04753 (Accessed: October 11, 2023). [ITS-Irvine record]