• Recent Papers
• Publication Archive
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Recent Papers

Cloud Computing and Big Data Systems

• Huanle Xu*, Huangting Wu*, Wing Cheong Lau, "Revisiting SRPT for Job Scheduling in Computing Clusters," the 14th International Conference on Queueing Theory and Network Applications (QTNA), August 2019.


• Yang Liu*, Huanle Xu*, Wing Cheong Lau, "Online Job Scheduling with Resource Packing on a Cluster of Heterogeneous Servers," IEEE Infocom, Apr 2019.


• Huanle Xu*, Yang Liu*, Wing Cheong Lau, Jun Guo, Alex X. Liu, "Efficient Online Resource Allocation in Heterogeneous Clusters with Machine Variability," IEEE Infocom, Apr 2019.


• Huanle Xu*, Gustavo De Veciana, Wing Cheong Lau, and Kunxiao Zhou. "Online Job Scheduling with Redundancy and Opportunistic Checkpointing: A Speedup-Function-Based Analysis." IEEE Transactions on Parallel and Distributed Systems 30, no. 4 (2018): 897-909. Harvard


• Huanle Xu*, Wing Cheong Lau, Zhibo Yang*, Gustavo de Veciana, Hanxu Hou, "Mitigating Service Variability in MapReduce Clusters via Task Cloning: A Competitive Analysis," in IEEE Transactions on Parallel and Distributed Systems, Vol.28, Issue 10, Oct 2017.


• Huanle Xu*, Gustavo de Veciana, and Wing Cheong Lau. "Addressing job processing variability through redundant execution and opportunistic checkpointing: A competitive analysis." In IEEE INFOCOM 2017-IEEE Conference on Computer Communications, pp. 1-9. IEEE, 2017.


• Huanle Xu*, Wing Cheong Lau, "Optimization for Speculative Execution in Big Data Processing Clusters," in IEEE Transactions on Parallel and Distributed Systems, Vol.28, Issue 2, Feb 2017.


• Huanle Xu*, Ronghai Yang*, Zhibo Yang*, and Wing Cheong Lau. "Solving Large Graph Problems in MapReduce-Like Frameworks via Optimized Parameter Configuration." In International Conference on Algorithms and Architectures for Parallel Processing, pp. 525-539. Springer, Cham, 2015.


• Huanle Xu*, and Wing Cheong Lau. "Task-cloning algorithms in a MapReduce cluster with competitive performance bounds." In 2015 IEEE 35th International Conference on Distributed Computing Systems, pp. 339-348. IEEE, 2015.


• Huanle Xu*, and Wing Cheong Lau. "Optimization for speculative execution in a MapReduce-like cluster." In 2015 IEEE Conference on Computer Communications (INFOCOM), pp. 1071-1079. IEEE, 2015.


• Huanle Xu*, Ronghai Yang*, Zhibo Yang* and Wing Cheong Lau, "Solving Graph Problems in MapReduce-like Frameworks via Optimized Parameter Configuration," The 15th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP), Zhangjiajie, China, Nov. 2015.

Security of SSO (Single-Sign-On) Protocol

• Shangcheng Shi*, Xianbo Wang*, Wing Cheong Lau, "MoSSOT: An Automated Blackbox Tester for Single Sign-On Vulnerabilities in Mobile Applications," ACM AsiaCCS, July 2019.


• Xianbo Wang*, Wing Cheong Lau, Shangcheng Shi*, Ronghai Yang*, "Make Redirection Evil Again -- URL Parser Issues in OAuth," BlackHat Asia, Mar 2019.


• Ronghai Yang*, Wing Cheong Lau, Jiongyi Chen*, Kehuan Zhang, "Vetting Single-Sign-On SDK Implementations via Symbolic Reasoning," in the 27th USENIX Security Symposium, Aug 2018. This work received the 2018 Internet Defense Prize (2nd Runner-up) from USENIX and Facebook.


• Jiongyi Chen*, Wenrui Diao, Qingchuan Zhao, Chaoshun Zuo, Zhiqiang Lin, XiaoFeng Wang, Wing Cheong Lau, Menghan Sun, Ronghai Yang* and Kehuan Zhang, "IoTFuzzer: Discovering Memory Corruptions in IoT through App-based Fuzzing," in the Network and Distributed System Security Symposium (NDSS), Feb 2018.


• Ronghai Yang*, Wing Cheong Lau, and Shangcheng Shi. "Breaking and fixing mobile app authentication with OAuth2. 0-based protocols." In International Conference on Applied Cryptography and Network Security, pp. 313-335. Springer, Cham, 2017.


• Ronghai Yang*, Guanchen Li*, Wing Cheong Lau, Kehuan Zhang, and Pili Hu. "Model-based security Testing: An empirical study on OAuth 2.0 implementations." In Proceedings of the 11th ACM on Asia Conference on Computer and Communications Security, pp. 651-662. ACM, 2016.


• Ronghai Yang*, Wing Cheong Lau, and Tianyu Liu*. "Signing into one billion mobile app accounts effortlessly with oauth2. 0." blackhat Europe (2016).

Predictive Analytics for Online Social Networks

• Siyue Xie, Da Sun Handason, Wing Cheong Lau, “CoCoS: Enhancing Semi-supervised Learning on Graphs with Unl abeled Data via Contrastive Context Sharing” Proceedings of the AAAI Conference on Artificial Intelligence, June. 2022.


• Da Sun Handason Tam, Siyue Xie, Wing Cheong Lau, “GraphAdaMix: Enhancing Node Representa tions with Graph Adaptive Mixtures” International Conference on Artificial Intelligence and Statistics, May. 2022.


• Da Sun Handason Tam*, Wing Cheong Lau, Bin Hu, Qiu Fang Ying, Dah Ming Chiu, Hong Liu, "Identifying Illicit Accounts in Large Scal e E-payment Networks - A Graph Representation Learning Approach", IJCAI The 1st Workshop on Artificial Intelligence for Business Security, Macau, Aug 2019.


• Bowen Zhang*, Wing Cheong Lau, "Temporal Modeling of Information Diffusion using MASEP: Multi-Actor Self-Exciting Processes," the 8th Temporal Web Analytics Workshop (TempWeb), WWW’18 Companion, April 2018.


• Gao, Ruohan*, Huanle Xu*, Pili Hu, and Wing Cheong Lau. "Accelerating graph mining algorithms via uniform random edge sampling." In 2016 IEEE International Conference on Communications (ICC), pp. 1-6. IEEE, 2016.


• Li, Guanchen*, and Wing Cheong Lau. "Predicting Retweet Behavior in Online Social Networks Based on Locally Available Information." International Conference on Social Informatics. Springer, Cham, 2016.


• Ruohan Gao*, Pili Hu*, Wing Cheong Lau, "Property Preservation under Community-based Sampling," IEEE Globecom, San Diego, CA, Dec. 2015.


• Ruohan Gao*, Huanle Xu*, Pili Hu* and Wing Cheong Lau, "Accelerating Graph Mining Algorithms via Uniform Random Edge Sampling (Poster)," ACM Conference on Online Social Networks (COSN), Stanford, CA, Nov. 2015.


• Huanle Xu*, Pili Hu*, Wing Cheong Lau, Qiming Zhang* and Yang Wu*,"DPCP: A Protocol for Optimal Pull Coordination in Decentralized Social Networks," IEEE Infocom, Apr. 2015.

Authenticated QRCodes and its Applications

• Zhibo Yang*, Huanle Xu*, Jianyuan Deng, Chen Change Loy, Wing Cheong Lau, "Robust and Fast Decoding of High-Capacity Color QR Codes for Mobile Applications," IEEE Transactions on Image Processing, Dec 2018


• Yang Zhibo*, Zhiyi Cheng*, Chen Change Loy, Wing Cheong Lau, Chak Man Li, and Guanchen Li. "Towards robust color recovery for high-capacity color QR codes." In 2016 IEEE International Conference on Image Processing (ICIP), pp. 2866-2870. IEEE, 2016.


• Chak Man Li*, Pili Hu*, Wing Cheong Lau, "AuthPaper - Protecting Paper-based Documents/ Credentials using Authenticated 2D Barcodes," in the Procs. of IEEE ICC, June 2015.Optimization for Speculative Exec

Networking Protocols and Systems

• Behdad Heidarpouar*, Zbigniew Dziong, Wing Cheong Lau, Shahin Vakilinia, "Pricing the Volumed-based Data Services in Cellular Wireless Markets," IEEE Transactions on Network and Service Management, Feb 2018.


• Behdad Heidarpouar*, Zbigniew Dziong, Wing Cheong Lau, Shahin Vakilinia, "Selective Free Data Access to Cellular Networks," (Invited Paper), IEEE VTC Fall, Sept 2017.


• Behdad Heidarpouar*, Zbigniew Dziong, Wing Cheong Lau, "Volume-based Pricing with Guaranteed Data Rate," IEEE Infocom Workshop on Smart Data Pricing, May 2017.


• Wai Kit Sze*, Yulin Deng*, Wing Cheong Lau, Murali Kodialam, Thyaga Nandagopal and OnChing Yue, "Channel Oblivious Counting Algorithms for Large-scale RFID Systems," IEEE Transactions on Parallel and Distributed Systems, Dec 2015.

Publications Archive

• Deyi Sun*, Wing Cheong Lau, "Social Relationship Classification based on Interaction Data from Smartphones," to appear in the Procs. of IEEE PerCom (PerHot Workhop), March 2013.


• Ka-Hung Hui*, Onching Yue and Wing Cheong Lau, "FRASA: Feedback Retransmission Approximation for the Stability Region of Finite-User Slotted ALOHA," in the IEEE Transactions on Information Theory, Jan. 2013.


• Yulin Deng*, Wing Cheong Lau and Onching Yue, "Design and Evaluation of RFID Counting Algorithms under Time-correlated Channels", in the Procs. of IEEE Consumer and Networking Communications Conference (CCNC), Jan 2013.


• Tan Hing Hui*, Wing Cheong Lau and Onching Yue, "VECADS: Vehicular Context-Aware Downstream Scheduling for Drive-thru Internet," in the Procs. of IEEE VTC Fall, Sept, 2012.


• Ying Wai Wong, Wing Cheong Lau, Kin Ming Chan, Yichen Yang*, Tony C.Y. Tang, Fung Lam* and Alfred K.M. Lo, "An Extensible Distributed Measurement Platform for Analyzing Quality-of-Experience (QoE) of Multimedia Applications over Wireless Networks," in the Procs. of IEEE VTC Fall, Sept, 2012.


• Wee Lum Tan*, Wing Cheong Lau and Onching Yue, "Performance Analysis of an Adaptive, Energy-efficient MAC protocol for Wireless Sensor Networks," in Journal of Parallel and Distributed Computing, Apr. 2012.


• Ka Chun Lam*, Wing Cheong Lau and Onching Yue, "Hitchbot – Delivering Malicious URLs via Social Hitch hiking," in the Procs. of IEEE Globecom, Dec, 2011.


• Wai Kit Sze*, Thyaga Nandagopal, Wing Cheong Lau, Murali Kodialam, "RFID Tag Counting over Lossy Wireless Channels," in the Procs. of the WiOpt, May, 2011.


• Chi-Ho Lam*, Wing Cheong Lau and Onching Yue, "Distributed Traffic Monitoring via Traffic Digest Splitting," in Computer Networks, Apr. 2011.


• Wee Lum Tan*, Wing Cheong Lau, Onching Yue and Tan Hing Hui*, "Analytical Models and Performance Evaluation of Drive-thru Internet Systems," in the IEEE Journal on Selected Areas of Communications, Special Issue on Vehicular Communications and Networks, Jan. 2011.


• Ka-Hung Hui*, Wing Cheong Lau and Onching Yue, "Partial Interference and Its Performance Impact on Wireless Multiple Access Networks," in the EURASIP Journal on Wireless Communications and Networking, Nov. 2010.


• Wai-Kit Sze*, Wing Cheong Lau, "RFID Counting over Unreliable Radio Channels – the Capture-Recapture Approach," in the Procs. of IEEE ICC, May, 2010.


• Ho-Yan Suen*, Wing Cheong Lau and Onching Yue, "Detecting Anomalous Web Browsing via Diffusion Wavelets," in the Procs. of IEEE ICC, May, 2010.


• Kin-Fai Li*, Wing Cheong Lau and Onching Yue, "Session Reliability and Capacity Allocation in Dynamic Spectrum Access Networks," in the Procs. of IEEE ICC, May, 2010.


• Chun-Pong Luk*, Wing Cheong Lau and Onching Yue, "Threshold-based Opportunistic Routing Protocol in Multi-hop Wireless Networks," in the Procs. of the 19th Annual Wireless and Optical Communications Conference, May, 2010.


• Chi-Ho Lam*, Wing Cheong Lau and Onching Yue, "Enhancing Distributed Traffic Monitoring via Traffic Digest Splitting," in the Procs. of IEEE ICNP (extended abstract), Oct, 2009.


• Wee Lum Tan*, Wing-Cheong Lau and On-Ching Yue, "Modeling Resource Sharing of Road-side Access Point supporting Drive-thru Internet" ,in the Procs. of ACM VANET, Sept, 2009.


• Wai-Kit Sze*, Wing-Cheong Lau and On-Ching Yue, "Fast RFID Counting under Unreliable Radio Channels" ,in the Procs. of IEEE ICC, June, 2009class=""


• Murali Kodialam, Wing-Cheong Lau, Thyaga Nandagopal, "Identifying RFID Tag Categories in Linear Time" ,in the Procs. of WiOpt, June, 2009.


• Chun-Pong Luk*, Wing-Cheong Lau and On-Ching Yue, "Opportunistic Routing with Directional Antennas in Wireless Mesh Networks" ,in the Procs. of IEEE Infocom (mini-conference), April, 2009.


• Wee Lum Tan*, Wing-Cheong Lau and On-Ching Yue, "An Energy-Efficient and Receiver-driven MAC protocol for Wireless Sensor Network" ,in the Procs. of Beijing-Hong Kong Doctoral Forum, Dec. 2008class=""


• Wee Lum Tan*, Fung Lam and Wing-Cheong Lau, "An Empirical Study on 3G Network Capacity and Performance" ,IEEE Transactions on Mobile Computing, Vol.7, No.6, pp-737-750, June 2008.


• Sai-Kit Chui*, On-Ching Yue and Wing-Cheong Lau, "Impact of Handoff Control Messages on VoIP System Performance" ,in the Procs. of the 14th European Conference (EW2008), June, 2008.


• Chun-Pong Luk*, Wing-Cheong Lau and On-Ching Yue, "An Analysis of Opportunistic Routing in Wireless Mesh Network" in ICC 2008, Beijing, China, May. 2008.


• Yuk-Nam Law, Man-Chiu Lai, Wee Lum Tan* and Wing-Cheong Lau, "Empirical Performance of IPv6 vs. IPv4 under a Dual-Stack Environment" in ICC 2008, Beijing, China, May. 2008.


• Kin-Fai Li*, Wing-Cheong Lau and On-Ching Yue, "Link Restoration in Cognitive Radio Networks" in ICC 2008, Beijing, China, May. 2008.


• Yin-Ki Ip*, Wing-Cheong Lau and On-Ching Yue, "Performance Modeling of Epidemic Routing with Heterogeneous Node Types" in ICC 2008, Beijing, China, May. 2008.


• Ka-Hung Hui*, On-Ching Yue and Wing-Cheong Lau, "FRASA: Feedback Retransmission Approximation for the Stability Region of Finite-User Slotted ALOHA," in ICNP 2007, Beijing, China, Oct. 2007. [Poster]


• Ka-Hung Hui*, Wing-Cheong Lau and On-Ching Yue, "Stability of Finite-User Slotted ALOHA under Partial Interference in Wireless Mesh Networks," in PIMRC 2007, Athens, Greece, Sep. 2007.


• Ka-Hung Hui*, Wing-Cheong Lau and On-Ching Yue, "Characterizing and Exploiting Partial Interference in Wireless Mesh Networks," in ICC 2007, Glasgow, Scotland, Jun. 2007.


• Ching-Wan Yuen*, Wing-Cheong Lau and On-Ching Yue, "CAPEL: A Packet Discard Policy for Real-time Traffic over Wireless Networks," to appear in IEEE ICC, June, 2007.


• Wee Lum Tan*, Fung Lam* and Wing-Cheong Lau, "An Empirical Study on 3G Network Capacity and Performance," to appear in the Procs. of IEEE Infocom 2007, May 2007.


• Murali Kodialam, Thyaga Nandagopal and Wing-Cheong Lau, "Anonymous Tracking using RFID tags," to appear in the Procs. of IEEE Infocom 2007, May 2007.


• Yin-Ki Ip*, Wing-Cheong Lau and On-Ching Yue, "Forwarding and Replication Strategies for Delay Tolerant Networks (DTN) with Resource Constraints," to appear in IEEE VTC (Spring), April, 2007.


• Paulo Ayres*, Huizhong Sun*, H. Jonathan Chao, and Wing-Cheong Lau, "ALPi: A DDoS defense System for High-speed networks", IEEE Journal of Selected Areas in Communications (JSAC), Oct, 2006.


• Y.K. Chan*, H.W. Chan, K.M. Chan, P.S. Chan, T. Chanson, M.H. Cheung, C.F. Chong, K.P. Chow, K.T. Hui, C.K. Hui, C.K. Lam, W.C. Lau, K.H. Pun, Y.F. Tsang, W.W. Tsang, C.W. Tso, D.Y. Yeung and K.Y. Yu, "Intrusion Detection Router: Design, Implementation and Evaluation Using an Experimental Testbed," IEEE Journal of Selected Areas of Communications (JSAC) , Oct, 2006.


• Wee Lum Tan*, Wing Cheong Lau and OnChing Yue, "An Energy-Efficient and Receiver-Driven MAC Protocol for Wireless Sensor Networks," IEEE VTC Fall 2007 (accepted), September 2007.


• Wee Lum Tan*, On-Ching Yue and Wing-Cheong Lau, "Performance Evaluation of Differentiated Services Mechanisms over Wireless Sensor Networks", in the Proc. of IEEE VTC (Fall), Sept 2006.


• Yoohwan Kim*, Wing-Cheong Lau, Mooi-Choo Chuah and H. Jonathan Chao, "PacketScore: A Statistics-based Packet Filtering Scheme against Distributed Denial-of-Service Attacks," IEEE Transactions on Dependable and Secure Computing, Vol. 3, No. 2, pp. 141-155, April-June, 2006.


• Wing Cheong Lau, "DHCPv6 Relay Agent RADIUS Attributes Option," Internet DHC working group Draft, draft-ietf-dhc-v6-relay-radius-02.txt, Feb 2006.

• W. L. Tan, W. C. Lau, O. C. Yue, and T. H. Hui (2010). "Analytical Models and Performance Evaluation of Drive-thru Internet Systems", Technical Report Mobitec-2010-01. Hong Kong: Mobile Technologies Centre, CUHK.


• F. Lam, Y. W. Wong, K. M. Chan, W. C. Lau (2010, Oct). Design and Implementation of Personal Wellness Application. Hong Kong: Mobile Technologies Centre, CUHK.


• Y. W. Wong, K. Li, W. C. Lau (2010, Oct). Design and Implementation of Drunkenness Detection Application. Hong Kong: Mobile Technologies Centre, CUHK.


• Y. W. Wong, F. Lam, K. M. Chan, W. C. Lau (2010, Mar). Architectural Design of an Extensible Distributed Measurement Platform for Analyzing Quality-of-Experience (QoE) of Multimedia Applications over Wireless Networks. Hong Kong: Mobile Technologies Centre, CUHK.


• K. M. Chan, Y. W. Wong, W. C. Lau (2010, Feb). Implementation of Mobile Measurement Platform and Light-weight Time-series Data Mining Algorithm. Hong Kong: Mobile Technologies Centre, CUHK.


• K. M. Chan, Y. W. Wong, F. Lam, W. C. Lau (2009, Dec). Architectural Design of Mobile Measurement Platform. Hong Kong: Mobile Technologies Centre, CUHK.


• K. M. Chan, W. C. Lau (2009, Nov). Survey and Evaluation of Data Stream Mining Schemes on Smartphone-based Measurement Platform. Hong Kong: Mobile Technologies Centre, CUHK.


• K. F. Li, W. C. Lau, O. C. Yue (2009, June). Session Reliability and Capacity Allocation in Dynamic Spectrum Access Networks. Hong Kong: Mobile Technologies Centre, CUHK.


• C. P. Luk, W. C. Lau, O. C. Yue (2009, Jan). Threshold-based Opportunistic Routing Protocol in Multi-hop Wireless Networks. Hong Kong: Mobile Technologies Centre, CUHK.


• C. P. Luk, D. M. Chiu, W. C. Lau, John C.S. Lui (2008. Oct). Wireless Mesh Network Testbed - Final Report for SHIAE. Hong Kong: Mobile Technologies Centre, CUHK.


• W. K. Sze and W. C. Lau (2008, Oct). A Study on Home Networking Technologies for iHome Applications. Hong Kong: Mobile Technologies Centre, CUHK.


• Anthony Lam, Daisy Lee, W. L. Tan, Eric Wong and Andy Mak (2006, Jul). Final Report on the Modelling and Measurements of 3G Network Capacity in Hong Kong. Hong Kong: Mobile Technologies Centre, CUHK.


• W. C. Lau, C. W. Yuen and K. H. Hui (2006, Feb). Theoretical Capacity for 3G (CDMA) Networks: A Survey. Hong Kong: Mobile Technologies Centre, CUHK.


• W. C. Lau, F. Lam and L. W. Lee (2006, Feb). 3G Capacity - Measurement Plan. Hong Kong: Mobile Technologies Centre, CUHK.


• D. M. Qu (2006, Feb). A Survey on Anti-collision Algorithms of Passive and Active RFID System. Hong Kong: Mobile Technologies Centre, CUHK.


• O. C. Yue and W. C. Lau (2005, Sep). A Proposal for Deriving the 3G "Reference" Network Capacity in Hong Kong. Hong Kong: Mobile Technologies Centre, CUHK.


• Eddy Chiu, S. K. Chui and O. C. Yue (2005, Sep). Wireless LAN Measurements. Hong Kong: Mobile Technologies Centre, CUHK.


• W. H. Wong and O. C. Yue (2005, Aug). GPRS Performance Measurement with a J2ME Handset. Hong Kong: Mobile Technologies Centre, CUHK.


• K. H. Hui and O. C. Yue (2005, Jul). Analysis of a Distributed Denial-of-Service Attack. Hong Kong: Mobile Technologies Centre, CUHK.