基本信息
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职业迁徙
个人简介
I received my Ph.D. degree in Computer Science from University of California at Los Angeles.
Research Interests
My research interests include the following:
Advertising Sciences
My research in this area is mainly about understanding users, for the purpose of personalization, and understanding advertisements, for the purpose of more effective ads serving.
Cloud Computing
Cloud computing and database-as-a-service (DaaS) have raised new challenges in database systems. My research in this area is mainly about how to efficiently manage system resources, under new performance metrics such as cost and SLA, by using new tools such as virtualization and migration.
Social Networks
Social network analysis, especially in a large scale, relies on efficient and effective tools from data mining and machine learning. In my research work, I have been working on implementing algorithms for social network analysis that both have theoretical underpinning and are scalable to large data sets. Some application areas include community extraction, trend analysis, and fusion of link, content and temporal information in social networks.
Mining Patterns in Structured Data
Given a dataset consisting of tree-structured data (e.g., XML, multicast, or phylogenetic trees), an important problem is to enumerate the sub-patterns in the dataset. Such sub-patterns have extensive applications such as data indexing, rule mining, feature extraction, and so on. In my research work, I have been working on heuristics for efficient enumeration of certain constrained patterns (frequent, closed, and maximal) of various tree types (rooted/unrooted, ordered/unordered).
Professional Activities
Panelist, National Science Foundation, Information and Intelligent Systems Division (NSF-IIS 2011)
Program Committee, IEEE International Conference on Data Mining (ICDM 2006, 2009, 2010, 2011, 2012, 2013)
Program Committee, IEEE International Conference on Data Engineering (ICDE 2009 Demo Session)
Program Committee, ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2013)
Program Committee, ACM International Conference on Information and Knowledge Management (CIKM Regular Session 2008, 2009, 2012, Poster Session 2012)
Program Committee, ACM International Conference on Research and Development in Information Retrieval (SIGIR Regular Session 2010, Poster Session 2010, 2011, 2012, Short Paper Session 2013)
Program Committee, SIAM International Conference on Data Mining (SDM 2009, 2010, 2011)
Program Committee, International World Wide Web Conference (WWW 2009, 2010, 2011, 2012, 2013)
Program Committee, International Conference on Very Large Data Bases (VLDB 2010 Industry Session)
Program Committee, International Conference on Machine Learning (ICML 2010)
Program Committee, International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2010, 2011, 2013)
Program Committee, European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD 2011)
Program Committee, Asian Conference on Machine Learning (ACML 2009, 2010, 2011)
Program Committee, Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2012)
Awards
2012, NEC Laboratories & NEC Corporation Technology Commercialization Awards
2007, SIGKDD Best Research Paper Award Runner-up
2005, UCLA Chancellor's Dissertation Year Fellowship
研究兴趣
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mag(2014)
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Encyclopedia of Social Network Analysis and Miningpp.190-201, (2014)
mag(2014)
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