Liang Ma

AI Research Scientist at Dataminr

New York, New York, United States

Email: lma at dataminr dot com

Ph.D. Thesis

Liang Ma, "Identifiability of Link Metrics in Communication Networks: Theory and Algorithm Designs," Imperial College London, UK, May, 2014.


Books

Ting He, Liang Ma, Ananthram Swami, and Don Towsley, "Network Tomography: Identifiability, Measurement Design, and Network State Inference," Cambridge University Press, ISBN: 9781108377119, May 2021.


Journal Papers

  1. Ziyao Zhang, Liang Ma, Kin K. Leung, and Franck Le, "More Is Not Always Better: An Analytical Study of Controller Synchronizations in Distributed SDN," IEEE/ACM Transactions on Networking, vol. 29, no. 4, pp. 1580-1590, 2021.

  2. Liang Ma, Mudhakar Srivatsa, Derya Cansever, Xifeng Yan, Sue Kase, and Michelle Vanni, "Performance Bounds of Decentralized Search in Expert Netorks for Query Answering," ACM Transactions on Knowledge Discovery from Data (TKDD), vol. 13, no. 2, pp.18:1-18:23, 2019.

  3. Ziyao Zhang, Liang Ma, Kin K. Leung, Franck Le, Sastry Kompella, Leandros Tassiulas, “How Advantageous Is It? An Analytical Study of Controller-Assisted Path Construction in Distributed SDN,” IEEE/ACM Transactions on Networking, vol. 27, no. 4, pp. 1643-1656, 2019.

  4. Ting He, Athanasios Gkelias, Liang Ma, Kin K Leung, Ananthram Swami, and Don Towsley, "Robust and Efficient Monitor Placement for Network Tomography in Dynamic Networks," IEEE/ACM Transactions on Networking, vol. 25, no. 3, pp. 1732-1745, 2017.

  5. Liang Ma, Ting He, Ananthram Swami, Don Towsley, and Kin K. Leung, "Network Capability in Localizing Node Failures via End-to-end Path Measurements," IEEE/ACM Transactions on Networking, vol. 25, no. 1, pp. 434-450, 2017.

  6. Liang Ma, Ting He, Ananthram Swami, Don Towsley, and Kin K. Leung, "On Optimal Monitor Placement for Localizing Node Failures via Network Tomography," Performance Evaluation, vol. 91, pp. 16-37, 2015.

  7. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Inferring Link Metrics from End-to-end Path Measurements: Identifiability and Monitor Placement," IEEE/ACM Transactions on Networking, vol. 22, no. 4, pp. 1351-1368, 2014.

Conference Papers

  1. Paul J. Pritz, Liang Ma, and Kin K. Leung, "Jointly-Learned State-Action Embedding for Efficient Reinforcement Learning," in ACM CIKM, 2021 (full long paper).

  2. Sanghamitra Dutta, Liang Ma, Tanay Kumar Saha, Di Liu, Joel Tetreault, and Alejandro Jaimes, "GTN-ED: Event Detection Using Graph Transformer Networks," in NAACL TextGraphs, 2021.

  3. Ziyao Zhang, Liang Ma, Kin K. Leung, Konstantinos Poularakis, and Mudhakar Srivatsa, "State Action Separable Reinforcement Learning," in IEEE BigData, 2020 (full long paper, acceptance rate: 15.5%).

  4. Lingfei Wu, Ian En-Hsu Yen, Siyu Huo, Liang Zhao, Kun Xu, Liang Ma, Shouling Ji, and Charu Aggarwal, “Efficient Global String Kernel with Random Features: Beyond Counting Substructures," in ACM SIGKDD, 2019 (oral paper, acceptance rate: 9.2%).

  5. Ziyao Zhang, Liang Ma, Konstantinos Poularakis, Kin K. Leung, and Lingfei Wu, "DQ Scheduler: Deep Reinforcement Learning Based Controller Synchronization in Distributed SDN," in IEEE ICC, 2019. (BEST PAPER AWARD)

  6. Swati Rallapalli, Liang Ma, Mudhakar Srivatsa, Ananthram Swami, Heesung Kwon, Graham Bent, and Christopher Simpkin, "SENSE: Semantically Enhanced Node Sequence Embedding," in IEEE BigData, 2019.

  7. Konstantinos Poularakis, Qiaofeng Qin, Liang Ma, Sastry Kompella, Kin K. Leung, and Leandros Tassiulas, "Learning the Optimal Synchronization Rates in Distributed SDN Control Architectures," in IEEE INFOCOM, 2019.

  8. Ziyao Zhang, Liang Ma, Kin K. Leung, Konstantinos Poularakis, Jeremy Tucker, and Ananthram Swami, "MACS: Deep Reinforcement Learning based SDN Controller Synchronization Policy Design," in IEEE ICNP, 2019.

  9. Li Qiu, Liang Ma, and Guohong Cao, "Maintaining Social Connections through Direct Link Placement in Wireless Networks," in IEEE ICDCS, 2019.

  10. Ziyao Zhang, Liang Ma, Kin K. Leung, Leandros Tassiulas, and Jeremy Tucker, "Q-placement: Reinforcement-Learning-Based Service Placement in Software-Defined Networks," in IEEE ICDCS, 2018.

  11. Liang Ma, Guohong Cao, and Lance Kaplan, "Graphical Approach for Influence Maximization in Social Networks Under Generic Threshold-based Non-submodular Model," in IEEE BigData, 2017.

  12. Marlon Twyman, Liang Ma, Mudhakar Srivatsa, Derya Cansever, and Noshir Contractor, "Searching Networks to Assemble Teams," in NetSci, 2017.

  13. Liang Ma, Mudhakar Srivatsa, Derya Cansever, Xifeng Yan, Sue Kase, and Michelle Vanni, "Query Answering Efficiency in Expert Networks Under Decentralized Search," in ACM CIKM, 2016.

  14. Liang Ma, Mudhakar Srivatsa, Derya Cansever, Xifeng Yan, Sue Kase, and Michelle Vanni, "Decentralized Search in Expert Networks: Generic Models and Performance Bounds," in IEEE ICNP, 2016.

  15. Liang Ma, Mudhakar Srivatsa, Derya Cansever, Xifeng Yan, Sue Kase, and Michelle Vanni, "On the Efficiency of Decentralized Search in Expert Networks," in IEEE ICDCS, 2016.

  16. Ting He, Novella Bartolini, Hana Khamfroush, InJung Kim, Liang Ma, and Tom La Porta, "Service Placement for Detecting and Localizing Failures Using End-to-End Observations," in IEEE ICDCS, 2016.

  17. Ting He, Liang Ma, Athanasios Gkelias, Kin K Leung, Ananthram Swami, and Don Towsley, "Robust Monitor Placement for Network Tomography in Dynamic Networks," in IEEE INFOCOM, 2016.

  18. Liang Ma, Ting He, Ananthram Swami, Don Towsley, and Kin K. Leung, "On Optimal Monitor Placement for Localizing Node Failures via Network Tomography," in IFIP WG 7.3 Performance, 2015.

  19. Liang Ma, Ting He, Ananthram Swami, Don Towsley, Kin K. Leung, and Jessica Lowe, "Node Failure Localization via Network Tomography," in ACM IMC, 2014.

  20. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Monitor Placement for Maximal Identifiability in Network Tomography," in IEEE INFOCOM, 2014.

  21. Liang Ma, Ting He, Kin K. Leung, Don Towsley, and Ananthram Swami, "Efficient Identification of Additive Link Metrics via Network Tomography," in IEEE ICDCS, 2013. (BEST PAPER AWARD, sole winner among 464 submissions)

  22. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Identifiability of Link Metrics Based on End-to-end Path Measurements," in ACM IMC, 2013. (BEST PAPER AWARD NOMINEE, 5 out of 178 submissions)

  23. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Link Identifiability in Communication Networks with Two Monitors," in IEEE Globecom, 2013.

  24. Liang Ma, Ting He, Ananthram Swami, Kang-won Lee, and Kin K. Leung, "Switch-and-Navigate: Controlling Data Ferry Mobility for Delay-Bounded Messages," in IEEE MILCOM, 2011.

  25. Liang Ma, Tianyi Xing, Xiaoli Wang, and Junde Song, "IEEE 802.11b-based Access Scheme with Coordinated Sleeping for Wireless Sensor Networks," in IEEE PIMRC, 2009.

  26. Tao Han, Liang Ma, and Yuan'an Liu, "Waiting-Line Auction for Wi-Fi Pricing," in ACM CoNEXT Student Workshop, 2008.

  27. Ziyao Zhang, Liang Ma, Konstantinos Poularakis, Kin K. Leung, Jeremy Tucker, Ananthram Swami, "Deep Reinforcement Learning based SDN Controller Synchronization Policy Design for Joint Communication and Computation Resource Optimizations," in Annual Fall Meeting of International Technology Alliance, 2019.

  28. Ziyao Zhang, Qiaofeng Qin, Liang Ma, Konstantinos Poularakis, Franck Le, Kin K. Leung, Sastry Kompella, Leandros Tassiulas,“Routing Performance in Distributed SDN under Synchronization Constraint,” in Annual Fall Meeting of International Technology Alliance, 2018.

  29. Ziyao Zhang, Liang Ma, Kin K. Leung, “On Quantifying Performance Enhancement of Distributed SDN Architecture,” in Annual Fall Meeting of International Technology Alliance, 2017.

  30. Liang Ma, Ting He, Ananthram Swami, Don Towsley, and Kin K. Leung, "Optimal Monitor Placement for Node Failure Localization in Communication Networks," in Annual Fall Meeting of International Technology Alliance, 2015.

  31. Liang Ma, Ting He, Ananthram Swami, Don Towsley, Kin K. Leung, and Jessica Lowe, "Node Failure Localization in Communication Networks via Network Tomography," in Annual Fall Meeting of International Technology Alliance, 2014.

  32. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Monitor Placement for Maximizing Network Identifiability via End-to-end Path Measurements," in Annual Fall Meeting of International Technology Alliance, 2014.

  33. Liang Ma, Ting He, Kin K. Leung, Don Towsley, and Ananthram Swami, "Efficient Identification of Additive Link Metrics via Network Tomography," in Annual Fall Meeting of International Technology Alliance, 2013. (BEST STUDENT PAPER AWARD)

  34. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Link Identifiability in Communication Networks with Two Monitors," in Annual Fall Meeting of International Technology Alliance, 2013.

  35. Liang Ma, Ting He, Kin K. Leung, Don Towsley, and Ananthram Swami, "Topological Constraints on Identifying Additive Link Metrics via End-to-end Paths Measurements," in The Annual Conference of The International Technology Alliance (ACITA), 2012.

  36. Liang Ma, Ting He, Ananthram Swami, Kang-won Lee, and Kin K. Leung, "Hierarchical Mobility Control for Data Ferries under Constrained Message Delays," in The Annual Conference of The International Technology Alliance (ACITA), 2011.

Technical Reports

  1. Liang Ma, Ziyao Zhang, and Mudhakar Srivatsa, "Neural Network Tomography," arXiv 2001.02942, 2020.

  2. Liang Ma, "Influence Maximization Under Generic Threshold-based Non-submodular Model," IBM Technical Report, Oct, 2017. [IBM Link] [arXiv]

  3. Liang Ma, "Query Answering via Decentralized Search," IBM Technical Report, Jul, 2016. [IBM Link] [arXiv]

  4. Ting He, Novella Bartolini, Hana Khamfroush, InJung Kim, Liang Ma, and Tom La Porta, "Service Placement for Detecting and Localizing Failures Using End-to-End Observations," IBM Research Report, Dec, 2015.

  5. Ting He, Liang Ma, Athanasios Gkelias, Kin K Leung, Ananthram Swami, and Don Towsley, "Robust Monitor Placement for Network Tomography in Dynamic Networks," IBM Research Report, Jul, 2015.

  6. Liang Ma, Ting He, Ananthram Swami, Don Towsley, and Kin K. Leung, "Node Failure Localization: Theorem Proof," IBM Technical Report, Apr, 2015. [IBM Link] [arXiv]

  7. Liang Ma, Ting He, Ananthram Swami, Don Towsley, and Kin K. Leung, "Failure Localization Capability: Theorem Proof and Evaluation," IBM Technical Report, Mar, 2015. [IBM Link] [arXiv]

  8. Liang Ma, Ting He, Ananthram Swami, Don Towsley, Kin K. Leung, and Jessica Lowe, "Fundamental Theories in Node Failure Localization," Technical Report, Imperial College, London, UK, Jul, 2014.

  9. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Link Identifiability with Two Monitors: Auxiliary Algorithms and Proof of Selected Theorems," Technical Report, Imperial College, London, UK, Aug, 2013.

  10. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Partial Network Identifiability: Theorem Proof and Evaluation," Technical Report, Imperial College, London, UK, Jul, 2013.

  11. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Link Identifiability with Two Monitors: Proof of Selected Theorems," Technical Report, Imperial College, London, UK, Feb, 2013.

  12. Liang Ma, Ting He, Kin K. Leung, Don Towsley, and Ananthram Swami, "Efficient Identification of Additive Link Metrics: Theorem Proof and Evaluations," Technical Report, Imperial College, London, UK, Nov, 2012.

  13. Liang Ma, Ting He, Kin K. Leung, Ananthram Swami, and Don Towsley, "Identification of Additive Link Metrics: Proof of Selected Theorems," Technical Report, Imperial College, London, UK, Jul, 2012.

  14. Liang Ma, Ting He, Kin K. Leung, Don Towsley, and Ananthram Swami, "Additive Link Metrics Identification: Proof of Selected Lemmas and Propositions," Technical Report, Imperial College, London, UK, May, 2012.