Wei-keng Liao

Research Professor
Department of Electrical Engineering and Computer Science
Northwestern University


Research Interests



Research



Selected Publications:

  1. Arifa Nisar, Wei-keng Liao, and Alok Choudhary. Delegation-based I/O Mechanism for High Performance Computing Systems. In the IEEE Transactions on Parallel and Distributed Sytems, vol. 23, no. 2, pages 271-79, February 2012.
  2. Wei-keng Liao, and Alok Choudhary. Dynamically Adapting File Domain Partitioning Methods for Collective I/O Based on Underlying Parallel File System Locking Protocols. In the Proceedings of International Conference for High Performance Computing, Networking, Storage and Analysis, Austin, Texas, November 2008. ---- (This paper proposes MPI-IO optimizations for Lustre and GPFS parallel file systems. An extended version of this work can be found here published in TPDS.)

Recent Publications:

  1. Md Mostofa Ali Patwary, Diana Palsetia, Ankit Agrawal, Wei-keng Liao, Fredrik Manne, and Alok Choudhary. Scalable Parallel OPTICS Data Clustering Using Graph Algorithmic Techniques. In the International Conference for High Performance Computing, Networking, Storage and Analysis, November 2013.
  2. Yusheng Xie, Zhuoyuan Chen, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. Caranx: Scalable Social Image Index Using Phylogenetic Tree of Hashtags (Poster). In the International Conference for High Performance Computing Networking, Storage and Analysis Companion, November 2013.
  3. William Hendrix, Diana Palsetia, Md. Mostofa Ali Patwary, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. A Scalable Algorithm for Single-Linkage Hierarchical Clustering on Distributed-Memory Architectures. In the Symposium on Large-Scale Data Analysis and Visualization, October 2013.
  4. Lu Liu, Jie Tang, Yu Cheng, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. Mining Diabetes Complication and Treatment Patterns for Clinical Decision Support. In the ACM International Conference on Information and Knowledge Management, October 2013.
  5. Saba Sehrish, Seung Woo Son, Wei-keng Liao, Alok Choudhary, and Karen Schuchardt. Improving Collective I/O Performance by Pipelining Request Aggregation and File Access. In the 20th EuroMPI Conference, September 2013.
  6. Seung Woo Son, Saba Sehrish, Wei-keng Liao, Ron Oldfield, and Alok Choudhary. Dynamic File Striping and Data Layout Transformation on Parallel System with Fluctuating I/O Workload. In the Workshop on Interfaces and Architectures for Scientific Data Storage, September 2013.
  7. Zhengzhang Chen, Yusheng Xie, Yu Cheng, Kunpeng Zhang, Ankit Agrawal, Wei-keng Liao, Nagiza F Samatova, and Alok Choudhary. Forecast Oriented Classification of Spatio-Temporal Extreme Events. In the 23rd International Joint Conference on Artificial Intelligence, August 2013.
  8. Chen Jin, Qiang Fu, Huahua Wang, Ankit Agrawal, William Hendrix, Wei-keng Liao, Md. Mostofa Ali Patwary, Arindam Banerjee, and Alok Choudhary. Solving Combinatorial Optimization Problems using Relaxed Linear Programming: A High Performance Computing Perspective, (best paper award). In the Big Data Mining Workshop, held in conjunction with the SIGKDD Conference on Knowledge Discovery and Data Mining, August 2013.
  9. Yusheng Xie, Zhengzhang Chen, Kunpeng Zhang, Yu Cheng, Kathy Lee, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. Detecting and Tracking Disease Outbreaks in Real-time through Social Media (Poster). In the 23rd International Joint Conference on Artificial Intelligence, August 2013.
  10. Kunpeng Zhang, Doug Downey, Zhengzhang Chen, Yusheng Xie, Yu Cheng, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. A Probabilistic Graphical Model for Brand Reputation Assessment in Social Networks. In the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, August 2013.
  11. Yusheng Xie, Zhengzhang Chen, Kunpeng Zhang, Md. Mostofa Ali Patwary, Yu Cheng, Haotian Liu, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. Graphical Modeling of Macro Behavioral Targeting in Social Networks (Poster). In the 13th SIAM International Conference on Data Mining, May 2013.
  12. Bharath Pattabiraman, Stefan Umbreit, Wei-keng Liao, Alok Choudhary, Vassiliki Kalogera, Gokhan Memik, and Frederic Rasio. A Parallel Monte Carlo Code for Simulating Collisional N-body Systems. In the Astrophysical Journal Supplement Series, vol. 204, no. 2, February 2013.
  13. Ankit Agrawal, Mostofa Patwary, William Hendrix, Wei-keng Liao, and Alok Choudhary. High Performance Big Data Clustering (Book Chapter). In Grandinetti, Lucio, editors, Clouds, Grids and Big Data, IOS Press, 2013.
  14. Yusheng Xie, Zhengzhang Chen, Yu Cheng, Kunpeng Zhang, Daniel K. Honbo, Ankit Agrawal, Wei-keng Liao, and and Alok Choudhary. MuSES: a Multilingual Sentiment Elicitation System for Social Media Data. IEEE Intelligent Systems, 99(PrePrints):1, IEEE Computer Society, 2013.
  15. William Hendrix, Md. Mostofa Ali Patwary, Ankit Agrawal, Wei-keng Liao, and Alok Choudhary. Parallel Hierarchical Clustering on Shared Memory Platforms. In the 19th Annual International Conference on High Performance Computing, December 2012.


More publications can be found in CUCIS.


Software packages


Contact Information

L359 Technological Institute
2145 Sheridan Road
Department of Electrical Engineering and Computer Science
Northwestern University
Evanston, IL 60208-3118

Phone: (847) 491-2916
Fax: (847) 491-4455