Keqin Liu

Keqin Liu

Associate Professor

Calculated based on number of publications stored in Pure and citations from Scopus
20072025

Research activity per year

  • 26 Conference Proceeding
  • 12 Article
  • 1 Conference article
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Conference Proceeding

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  • 2023

    Efficient reinforcement learning for reversi AI

    Chen, H. & Liu, K., 2023, Second International Conference on Statistics, Applied Mathematics, and Computing Science, CSAMCS 2022. Dai, W. & Jin, S. (eds.). SPIE, 125973Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12597).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

  • 2022

    Frequentist multi-armed bandits for complex reward models

    Chen, H., Deng, W., Liu, K. & Wu, T., 2022, 2021 International Conference on Statistics, Applied Mathematics, and Computing Science, CSAMCS 2021. Yin, H-M., Chen, K., Mestrovic, R. & Oliveira, T. A. (eds.). SPIE, 121631P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12163).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

  • 2018

    Femtocell scheduling as a restless multi-armed bandit problem using partial channel state observation

    Elmaghraby, H. M., Liu, K. & Ding, Z., 27 Jul 2018, 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8422619. (IEEE International Conference on Communications; vol. 2018-May).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    2 Citations (Scopus)
  • 2013

    Distributed flow scheduling in an unknown environment

    Yang, Y., Liu, K. & Fan, P., 2013, 2013 11th International Symposium and Workshops on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, WiOpt 2013. p. 593-600 8 p. 6576397. (2013 11th International Symposium and Workshops on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, WiOpt 2013).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

  • Dynamic probing for intrusion detection under resource constraints

    Liu, K., Zhao, Q. & Swami, A., 2013, 2013 IEEE International Conference on Communications, ICC 2013. Institute of Electrical and Electronics Engineers Inc., p. 1980-1984 5 p. 6654814. (IEEE International Conference on Communications).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    3 Citations (Scopus)
  • 2012

    Adaptive shortest-path routing under unknown and stochastically varying link states

    Liu, K. & Zhao, Q., 2012, 2012 10th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, WiOpt 2012. p. 232-237 6 p. 6260460. (2012 10th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks, WiOpt 2012).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    39 Citations (Scopus)

  • Dynamic intrusion detection in resource-constrained cyber networks

    Liu, K. & Zhao, Q., 2012, 2012 IEEE International Symposium on Information Theory Proceedings, ISIT 2012. p. 970-974 5 p. 6284708. (IEEE International Symposium on Information Theory - Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    Open Access
    5 Citations (Scopus)

  • Online learning for stochastic linear optimization problems

    Liu, K. & Zhao, Q., 2012, 2012 Information Theory and Applications Workshop, ITA 2012 - Conference Proceedings. p. 363-367 5 p. 6181775. (2012 Information Theory and Applications Workshop, ITA 2012 - Conference Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    4 Citations (Scopus)
  • 2011

    Indexability and whittle index for restless bandit problems involving reset processes

    Liu, K., Weber, R. & Zhao, Q., 2011, 2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011. Institute of Electrical and Electronics Engineers Inc., p. 7690-7696 7 p. 6160533. (Proceedings of the IEEE Conference on Decision and Control).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    18 Citations (Scopus)

  • Learning and sharing in a changing world: Non-Bayesian restless bandit with multiple players

    Liu, H., Liu, K. & Zhao, Q., 2011, 2011 Information Theory and Applications Workshop, ITA 2011 - Conference Proceedings. p. 240-246 7 p. 5743588. (2011 Information Theory and Applications Workshop, ITA 2011 - Conference Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    19 Citations (Scopus)

  • Logarithmic weak regret of non-Bayesian restless multi-armed bandit

    Liu, H., Liu, K. & Zhao, Q., 2011, 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011 - Proceedings. p. 1968-1971 4 p. 5946895. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    27 Citations (Scopus)

  • Multi-armed bandit problems with heavy-tailed reward distributions

    Liu, K. & Zhao, Q., 2011, 2011 49th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2011. p. 485-492 8 p. 6120206. (2011 49th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2011).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    20 Citations (Scopus)

  • Multi-channel opportunistic access based on primary ARQ messages overhearing

    Lapiccirella, F. E., Liu, K. & Ding, Z., 2011, 2011 IEEE International Conference on Communications, ICC 2011. 5963326. (IEEE International Conference on Communications).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    8 Citations (Scopus)
  • 2010

    Decentralized multi-armed bandit with imperfect observations

    Liu, K., Zhao, Q. & Krishnamachari, B., 2010, 2010 48th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2010. p. 1669-1674 6 p. 5707117. (2010 48th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2010).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    12 Citations (Scopus)

  • Decentralized multi-armed bandit with multiple distributed players

    Liu, K. & Zhao, Q., 2010, 2010 Information Theory and Applications Workshop, ITA 2010 - Conference Proceedings. p. 568-577 10 p. 5454071. (2010 Information Theory and Applications Workshop, ITA 2010 - Conference Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    31 Citations (Scopus)

  • Distributed learning in cognitive radio networks: Multi-armed bandit with distributed multiple players

    Liu, K. & Zhao, Q., 2010, 2010 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2010 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 3010-3013 4 p. 5496131. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    43 Citations (Scopus)

  • Distributed learning under imperfect sensing in cognitive radio networks

    Liu, K., Zhao, Q. & Krishnamachari, B., 2010, Conference Record of the 44th Asilomar Conference on Signals, Systems and Computers, Asilomar 2010. p. 671-675 5 p. 5757646. (Conference Record - Asilomar Conference on Signals, Systems and Computers).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    13 Citations (Scopus)

  • Learning from collisions in cognitive radio networks: Time division fair sharing without pre-agreement

    Liu, K. & Zhao, Q., 2010, 2010 IEEE Military Communications Conference, MILCOM 2010. p. 2262-2267 6 p. 5680378. (Proceedings - IEEE Military Communications Conference MILCOM).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

  • 2009

    On the myopic policy for a class of restless bandit problems with applications in dynamic multichannel access

    Liu, K. & Zhao, Q., 2009, Proceedings of the 48th IEEE Conference on Decision and Control held jointly with 2009 28th Chinese Control Conference, CDC/CCC 2009. Institute of Electrical and Electronics Engineers Inc., p. 3592-3597 6 p. 5400366. (Proceedings of the IEEE Conference on Decision and Control).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    3 Citations (Scopus)
  • 2008

    A restless bandit formulation of opportunistic access: Indexablity and index policy

    Liu, K. & Zhao, Q., 2008, 2008 5th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks Workshops, SECON. 4567125. (2008 5th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks Workshops, SECON).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    40 Citations (Scopus)

  • Channel probing for opportunistic access with multi-channel sensing

    Liu, K. & Zhao, Q., 2008, 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008. p. 93-97 5 p. 5074369. (Conference Record - Asilomar Conference on Signals, Systems and Computers).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    11 Citations (Scopus)

  • Detecting, tracking, and exploiting spectrum opportunities in unslotted primary systems

    Zhao, Q. & Liu, K., 2008, 2008 IEEE Radio and Wireless Symposium, RWS. p. 491-494 4 p. 4463536. (2008 IEEE Radio and Wireless Symposium, RWS).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    24 Citations (Scopus)

  • Distributed sensing and access in cognitive radio networks

    Liu, K., Zhao, Q. & Chen, Y., 2008, 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications - Proceedings, ISSSTA2008. p. 28-31 4 p. 4621370. (IEEE International Symposium on Spread Spectrum Techniques and Applications).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    29 Citations (Scopus)

  • Link throughput of multi-channel opportunistic access with limited sensing

    Liu, K. & Zhao, Q., 2008, 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP. p. 2997-3000 4 p. 4518280. (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    6 Citations (Scopus)

  • Opportunistic spectrum access in self similar primary traffic

    Liu, K., Xiao, X. & Zhao, Q., 2008, 2008 IEEE Military Communications Conference, MILCOM 2008 - Assuring Mission Success. 4753458. (Proceedings - IEEE Military Communications Conference MILCOM).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    3 Citations (Scopus)
  • 2007

    Low-complexity approaches to spectrum opportunity tracking

    Zhao, Q., Krishnamachari, B. & Liu, K., 2007, Proceedings of the 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, CrownCom. p. 27-35 9 p. 4549767. (Proceedings of the 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, CrownCom).

    Research output: Chapter in Book or Report/Conference proceeding › Conference Proceeding › peer-review

    15 Citations (Scopus)