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    2. Wang, D.C., Liu, L., Wang, X.L., Lu, Y.G., A Novel Feature Extraction Method on Activity Recognition Using Smartphone, The International Conference on Web-Age Information Management, WAIM 2016, vol.9998, pp. 67-76, Springer, 2016. (CCF C)

    3. Liu, L., Cheng, L., Liu, Y., Jia, Y.P., Rosenblum, D.S., Recognizing Complex Activities by a Probabilistic Interval-Based Model, The 30th AAAI Conference on Artificial Intelligence, AAAI 2016, pp. 1266- 1272, AAAI press, 2016. (CCF A)

    4. Jia, Y.P., Song, X.M., Zhou, J.B., Liu, L., Nie, L.Q., Rosenblum, D.S., Fusing Social Networks with Deep Learning for Volunteerism Tendency Prediction, The 30th AAAI Conference on Artificial Intelligence, AAAI 2016, pp. 165- 171, AAAI press, 2016. (CCF A)

    5. Liu, L., Huang, Z.G., Peng, Y.X., Liu, M., A Hierarchical Pachinko Allocation Model for Social Sentiment Mining, The 8th International Conference on Knowledge Science, Engineering and Management, KSEM 2015, pp. 299-311, LNAI, Springer, 2015. (CCF C)

    6. Wei, Y., Liu, L., Zhong, J., Lu, Y.G., Sun, L.T., Unsupervised Race Walking Recognition Using Smartphone Accelerometers, The 8th International Conference on Knowledge Science, Engineering and Management, KSEM 2015, pp. 691–702, LNAI, Springer, 2015. (CCF C)

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    8. Sun, L.T., Liu, L., Wei, Y., Zhong, J., Luo, D.S., Liu, M., Monkaresi H., Apply Autocorrelation and Forward Difference to Measure Vital Signs Using Ordinary Camera, International Conference for Smart Health, ICSH 2014, LNCS, vol. 8549, Springer, 2014.

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    12. Liu, L., Fan, D.P., Liu, M., Xu, G.D., Chen, S.P., Zhou, Y., Chen, X.W., Wang, Q.R., Wei,Y.F., A MapReduce-Based Parallel Clustering Algorithm for Large Protein-Protein Interaction Networks，The 8th International Conference on Advanced Data Mining and Applications, LNAI, vol.7713, pp.138-148, Springer, 2012.

    13. Zhao, Q.L., Hu, B., Liu, L., Ratcliffe, M., Peng, H., Zhai, J.W., Li, L.L., Shi, Q.X., Liu, Q.Y., and Qi, Y.B., An EEG based nonlinearity analysis method for schizophrenia diagnosis, Proceeding of the 9th IASTED International Conference on Biomedical Engineering, ACTA, 2012.

    14. Li, Y.C., Li, X.W., Ratcliffe, M., Liu, L., Qi, Y.B., Liu, Q.Y., A real-time EEG-based BCI System for attention recognition in ubiquitous environment, Proceeding of 2011 international workshop on Ubiquitous affective awareness and intelligent interaction, Ubicomp 2011, pp. 33-40, ACM, 2011.

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    18. Lin, J.Z., Li, X.N., Yang, Y., Liu, L., Guo, W.Q., Li X., and Li, L., A Context-aware Recommender System for M-commerce Applications, Proceedings of the 2011 international conference on Active Media Technology, LNCS, vol. 6890, pp. 217-228, Springer, 2011.

    19. Bin, W., Wenxin, L., Liu, L., A Survey of Energy Conservation, Routing and Coverage in Wireless Sensor Networks, Proceeding of the 2011 international conference on Active Media Technology, LNCS, vol. 6890, pp. 59-70, Springer, 2011.

    20. Zhao, W., Liu, L., Zheng, F., Fan, D.P., Chen, X.B., Yang, Y.X., and Cai, Q.C., Investigation into Stress of Mothers with Mental Retardation Children Based on EEG (Electroencephalography) and Psychology Instruments, Proceedings of the 2011 international conference on Brain informatics, LNCS, vol. 6889, pp. 238-249, Springer, 2011.

    21. Zhao, W., Yan, J., Hu, B., Ma, H., Liu, L., Advanced measure selection in automatic NREM discrimination based on EEG. Proceeding of the 2010 5th International Conference on Pervasive Computing and Applications, pp. 26-31, IEEE, 2010.

    22. Zhao, Q.L., Peng, H., Hu, B., Li, L.L., Qi, Y.B., Liu, Q.Y., Liu, L., Towards an Efficient and Accurate EEG Data Analysis in EEG-Based Individual Identification, Proceeding of the 7th International Conference Ubiquitous Intelligence and Computing, LNCS, vol. 6406, pp. 534-547, Springer, 2010. (CCF C)

    23. Zhao, Q.L., Peng, H., Hu, B., Liu, Q.Y., Liu, L., Qi, Y.B., Li, L.L., Improving Individual Identification in Security Check with an EEG Based Biometric Solution, Proceedings of the 2010 international conference on Brain informatics, LNCS, vol. 6334, pp. 145-155, Springer, 2010.

    24. Zhao, C.Y., Yang, Y., Li, S.B., Lin, J.Z., Liu, L., Li, L., A Novel Publish/Subscribe System Based on Agent Center in e-Science Environment, Proceeding of the 2009 Joint Conferences on Pervasive Computing, pp. 499-502, IEEE, 2009.

    25. Li, C.Y., Zhou, Q.G., Ding, Y., Cheng, G.H., Liu, L., The Analysis of Wireless Sensor Networks for Environmental Monitoring Implementation, Proceeding of the 2009 Joint Conferences on Pervasive Computing, pp. 615-618, IEEE, 2009.

    26. Lin, J.Z., Zhao, Z.L., Liu, Lei, Sun, H.R., Li, S.B., Li, C.H., Liu, Li, Li, L., MDMF: A Comprehensive Framework for Managing Large-scale Heterogeneous Data in eSoC Collaborative Environment, Proceeding of the 1st IEEE Symposium on Web Society, pp. 138-143, IEEE, 2009.

    27. Li, S.B., Lin, J.Z., Zhao, C.Y., Liu, L., Li, L., GCP: A Load-balancing Tool in e-Science Environment, Proceeding of the 1st IEEE Symposium on Web Society, pp. 90-95, IEEE, 2009.

    28. Zhao, C.Y., Li, S.B., Liu, Z.W., Liu, L., Li, L., A Publish/Subscribe System Based on Distributed Broker Management in e-Science Environment, Proceeding of the 1st IEEE Symposium on Web Society, pp. 20-25, IEEE, 2009.

    29. Liu, L., Hu, B., Miao, H.F., Li, H., Li, L., Zhao, Q.L., Achieving Energy Conservation, Coverage and Connectivity Requirements in Wireless Sensor Networks, Proceeding of the 29th International Conference on Distributed Computing Systems Workshops, ICDCS Workshops, pp. 227-232, IEEE, 2009.

    30. Liu, L., Li, H., Wang, J.L., Li, L., Li, C.H., Heuristics for Mobile Object Tracking Problem in Wireless Sensor Networks, Proceeding of the 3rd International Frontiers of Algorithmics, LNCS, vol. 5598, pp. 251-260, Springer, 2009.

    31. Zheng, F., Hu, B., Liu, L., Li, Y.C., & Qi, Y.B., Fuzzy Logic in Exploring Data Effects: A Way to Unveil Uncertainty in EEG Feedback, Proceeding of the 13th International Conference on Human-Computer Interaction, in Digital Human Modeling, LNCS, vol. 5620, pp. 754-763, Springer, 2009.

    32. Liu, L., Yang, Y., Li, L., Glue The Gap Between Applications and Resources in e-science, Proceeding of the 1st IEEE International Conference on Ubi-Media Computing and Workshops, pp. 284-289, IEEE, 2008.

    33. Liu, L., Li, L., h-hop Distributed and Localized Algorithm for Fault Tolerant Wireless Sensor Networks, Proceeding of the 1st IEEE International Conference on Ubi-Media Computing and Workshops, pp. 171-176, IEEE, 2008.

    34. Huo, J.Y., Liu, L.Q., Liu, L., Yang, Y., Li, L., Selection of The Order of Autoregressive Models for Host Load Prediction in Grid, Proceeding of the 8th ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing, pp. 516-521, IEEE, 2007.

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    36. Yang, Y., Liu, L., Li, L., Li, Z.F., Zhou, R., MICE: An Efficient Grid Scheme for Mathematical Computing, Proceeding of Asia-Pacific Conference on Services Computing, pp. 492-498, IEEE, 2006.

    37. Liu, L., Yang, Y., Li, L., Shi, W.B., Using Ant Colony Optimization for Superscheduling in Computational Grid, Proceeding of Asia-Pacific Conference on Services Computing, pp. 539-545, IEEE, 2006.

    38. Liu, L., Yang, Y., Li, L., Mathematics Computing Environment on The Web, Proceeding of the 2nd International Conference on Semantics Knowledge and Grid, pp. 88-89, IEEE, 2006.

    39. Yang, Y., Liu, L., Huo, J.Y., Liu, H.D., Li, L., Self-Organized Motion Coordination Based on Ant-like Agents, Proceeding of the 2nd International Conference on Semantics Knowledge and Grid, pp. 62-65, IEEE, 2006.

    40. Liu, L., Yang, Y., Li, L., A Case Study for Physically Inspired Approach to Motion Coordination, Proceeding of the 1st International Symposium on Pervasive Computing and Applications, pp. 256-261, IEEE, 2006.

    41. Shi, W.B., Li, L., Liu, L., Yang, Y., An Approach of Heterogeneous Data Access and Integration in Grid, Proceeding of the 1st International Symposium on Pervasive Computing and Applications, pp. 200-205, IEEE, 2006.

    42. Liu, L., Yang, Y., Shi, W.B., Lin, W.M., Li L., A Dynamic Clustering Heuristic for Jobs Scheduling on Grid Computing Systems, Proceeding of the 2nd International Conference on Semantics Knowledge and Grid, pp. 4-9, IEEE, 2005.

    43. Liu, L., Zhan, J., Li, L., A Runtime Scheduling Approach with Respect to Job Parallelism for Computational Grid, The 3rd International Conference on Grid and Cooperative Computing, LNCS, vol. 3251, pp. 261-268, Springer, 2004. (SCI)