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Hao Ma

Internet Services Research Center (ISRC),
One Microsoft Way,
Microsoft Research, Redmond, WA, USA

Email: haoma at microsoft dot com


[Short Bio] [Research Interests] [Publications] [Professional Activities] [Work Experience]

Biography

Dr. Hao Ma received his Ph.D from The Chinese University of Hong Kong, under the supervision of Prof. Irwin King and Prof. Michael R. Lyu. He is currently working at Internet Services Research Center (ISRC), Microsoft Research, Redmond, WA, USA.


Research Interests

  • Information Retrieval, Data Mining, Machine Learning, Recommender System, Social Network Analysis

Selected Publications

-Tutorial

  • "Introduction to Social Recommendation", presented with Prof. Irwin King and Prof. Michael R. Lyu, 19th ACM International World Wide Web Conference (WWW'10),  Raleigh, North Carolina USA, April 26-30, 2010.

-Journals

  • Hao Ma, Irwin King and Michael R. Lyu. "Learning to Recommend with Explicit and Implicit Social Relations". To appear in ACM Transactions on Intelligent Systems and Technology (TIST), 2011.

  • Hao Ma, Michael R. Lyu and Irwin King. "Improving Recommender Systems by Incorporating Social Contextual Information", To appear in ACM Transactions on Information Systems (TOIS), 2011.

  • Hao Ma, Irwin King and Michael R. Lyu. "Mining Web Graphs for Recommendations". To appear in IEEE Transactions on Knowledge & Data Engineering (TKDE), 2011.

  • Hao Ma, Jacky Zhu, Michael R. Lyu and Irwin King. Bridging the Semantic Gap between Image Contents and Tags. IEEE Transactions on Multimedia (TMM), vol. 12, no. 5, pp. 462-473, August 2010.

  • Zibin Zheng, Hao Ma, Michael R. Lyu, and Irwin King. Web Service QoS Prediction by Collaborative Filtering. To appear in IEEE Transactions on Services Computing (TSC), 2010.

  • Jiannong Cao, Lin Liao, Guojun Wang, Hao Ma, Bin Xiao, A Novel Dual-Key Management Protocol based on a Hierarchical Multicast Infrastructure in Mobile Internet, International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), vol. 4, no. 3/4, pp. 183-190, 2009.

-Conferences

  • Hao Ma, Chao Liu, Irwin King and Michael R. Lyu. Probabilistic Factor Models for Web Site Recommendation. To appear in the 34th Annual ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'11), Beijing, China, Jul. 24-28, 2011.
    (Acceptance Rate: 108/545 = 19.8%)

  • Jianke Zhu, Hao Ma, Chun Chen and Jiajun Bu. Social Recommendation Using Low-Rank Semidefinite Program. To appear in the 25th AAAI Conference on Artificial Intelligence (AAAI'11), San Francisco, CA, USA, Aug. 7-11, 2011.
    (Acceptance Rate: 242/976 = 24.8%)

  • Hao Ma, Dengyong Zhou, Chao Liu, Michael R. Lyu, Irwin King. Recommender Systems with Social Regularization. In Proceedings of the 4th ACM International Conference on Web Search and Data Mining (WSDM'11), Hong Kong, Feb. 09-12, 2011.
    (Acceptance Rate: 32/372 = 8.6%)

  • Hao Ma, Michael R. Lyu, Irwin King. Diversifying Query Suggestion Results. In Proceedings of the 24th AAAI Conference on Artificial Intelligence (AAAI'10), Atlanta, Georgia, USA, July 11¨C15, 2010.
    (Acceptance Rate: 264/982 = 26.9%)

  • Tom Chao Zhou, Hao Ma, Irwin King, Michael R. Lyu. UserRec: A User Recommendation Framework in Social Tagging Systems. In Proceedings of the 24th AAAI Conference on Artificial Intelligence (AAAI'10), Atlanta, Georgia, USA, July 11¨C15, 2010.
    (Acceptance Rate: 264/982 = 26.9%)

  • Hao Ma, Raman Chandrasekar, Chris Quirk, Abhishek Gupta. Improving Search Engines Using Human Computation Games. In Proceedings of the 18th ACM Conference on Information and Knowledge Management (CIKM'09), Hong Kong, China, November 2-6, 2009.
    (Acceptance Rate: 123/847 = 14.5%)

  • Hao Ma, Haixuan Yang, Irwin King, Michael R. Lyu. Semi-Nonnegative Matrix Factorization with Global Statistical Consistency in Collaborative Filtering. In Proceedings of the 18th ACM Conference on Information and Knowledge Management (CIKM'09), Hong Kong, China, November 2-6, 2009.
    (Acceptance Rate: 123/847 = 14.5%)

  • Hao Ma, Michael R. Lyu, Irwin King. Learning to Recommend with Trust and Distrust Relationships. In Proceedings of the 3rd ACM Conference on Recommender Systems (RecSys'09), New York City, NY, USA, October 22-25, 2009.
    (Acceptance Rate: 24/140 = 17.1%)

  • Hao Ma, Irwin King, Michael R. Lyu. Learning to Recommend with Social Trust Ensemble. In Proceedings of the 32nd Annual ACM SIGIR Conference on Research and Development in Information Retrieval  (SIGIR'09), Boston, MA, USA, July 19-23, 2009.
    (Acceptance Rate: 78/494 = 15.8%)
    [Preprint (PDF 456KB)]

  • Hao Ma, Raman Chandrasekar, Chris Quirk, Abhishek Gupta. Page Hunt: Improving Search Engines Using Human Computation Games. In Proceedings of the 32nd Annual ACM SIGIR Conference on Research and Development in Information Retrieval  (SIGIR'09), Boston, MA, USA, July 19-23, 2009.
    (Acceptance Rate: (78 + 26)/494 = 21.1%)
    [Preprint (PDF 253KB)]

  • Hao Ma, Haixuan Yang, Michael R. Lyu, Irwin King. SoRec: Social Recommendation Using Probabilistic Matrix Factorization. In Proceedings of the 17th ACM Conference on Information and Knowledge Management (CIKM'08), pages 931-940, Napa Valley, California USA, October 26-30, 2008.
    (Acceptance Rate: 131/772 = 17.0 %)
    [Paper (PDF 295KB)][Presentation (PPT 1.68MB)]

  • Hao Ma, Haixuan Yang, Irwin King, Michael R. Lyu. Learning Latent Semantic Relations from Clickthrough Data for Query Suggestion. In Proceedings of the 17th ACM Conference on Information and Knowledge Management (CIKM'08), pages 709-718,  Napa Valley, California USA, October 26-30, 2008.
    (Acceptance Rate: 131/772 = 17.0 %)
    [Paper (PDF 271KB)][Presentation (PDF 2.37MB)]

  • Hao Ma, Haixuan Yang, Michael R. Lyu, Irwin King. Mining Social Networks Using Heat Diffusion Processes for Marketing Candidates Selection. In Proceedings of the 17th ACM Conference on Information and Knowledge Management (CIKM'08), pages 233-242, Napa Valley, California USA, October 26-30, 2008.
    (Acceptance Rate: 131/772 = 17.0 %)
    [Paper (PDF 447KB)][Presentation (PPT 1.07MB)]

  • Hao Ma, Irwin King, Michael R. Lyu. Effective Missing Data Prediction for Collaborative Filtering. Proceedings of the 30th Annual ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'07), pages 39-46, Amsterdam, the Netherlands, July 23-27, 2007.
    (Acceptance Rate: 86/491 = 17.5 %)
    [Paper (PDF 222KB)] [Presentation (PDF 2.38MB)]


Professional Activities

- Program Committee


Work Experience