NEC Laboratories America, Inc.

Yun Chi

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Yun Chi has been a research staff member in NEC Laboratories America, Inc. (Cupertino, CA) since 2005. His primary research interests include data mining, machine learning, information retrieval, and databases. He received an M.S. degree in Electrical Engineering from University of Notre Dame in 2000, an M.S. degree and a Ph.D. degree, both in Computer Science, from University of California, Los Angeles in 2001 and 2005, respectively.

Here are Yun Chi's publication lists collected by DBLP and by ACM.

The following are a list of some publications (more details are here) and patents.

Journal papers

On evolutionary spectral clustering. Y. Chi, X. Song, D. Zhou, K. Hino, B. L. Tseng. ACM TKDD, 2009. (accepted)
iOLAP: A framework for analyzing the internet, social networks, and other networked data. Y. Chi, S. Zhu, K. Hino, Y. Gong, Y. Zhang. IEEE TMM, 2009.
Analyzing communities and their evolutions in dynamic social networks. Y-R Lin, Y. Chi, S. Zhu, H. Sundaram, B. L. Tseng. ACM TKDD, 2009.
Detecting splogs via temporal dynamics using self-similarity analysis. Y-R Lin, H. Sundaram, Y. Chi, J. Tatemura, B. L. Tseng. ACM TWEB, 2008.
Catch the moment: maintaining closed frequent itemsets in a data stream sliding window. Y. Chi, H. Wang, P. S. Yu, R. R. Muntz. KAIS, 2006.
Frequent subtree mining--an overview. Y. Chi, S. Nijssen, R. R. Muntz, J. N. Kok. Fundamenta Informaticae, 2005.
Mining closed and maximal frequent subtrees from databases of labeled rooted trees. Y. Chi, Y. Xia, Y. Yang, R. R. Muntz. IEEE TKDE, 2005.
Canonical forms for labeled trees and their applications in frequent subtree mining. Y. Chi, Y. Yang, R. R. Muntz. KAIS, 2005.

Conference papers

Ordering innovators and laggards for product categorization and recommendation. S. Tyler, S. Zhu, Y. Chi, Y. Zhang. ACM RecSys 2009.
Combining link and content for community detection: A discriminative approach. T. Yang, R. Jin, Y. Chi, S. Zhu. KDD 2009.
A latent topic model for linked documents. Z. Guo, S. Zhu, Y. Chi, Z. Zhang, Y. Gong. SIGIR 2009.
A Bayesian framework for community detection integrating content and link. T. Yang, R. Jin, Y. Chi, S. Zhu. UAI 2009.

A Bayesian approach toward finding communities and their evolutions in dynamic social networks. T. Yang, Y. Chi, S. Zhu, Y. Gong, R. Jin. SIAM SDM 2009.
Probabilistic polyadic factorization and its application to personalized recommendation. Y. Chi, S. Zhu, Y. Gong, Y. Zhang. CIKM 2008.
Integrating clustering and multi-document summarization to improve document understanding. D. Wang, S. Zhu, Tao Li, Y. Chi, Y. Gong. CIKM 2008.
Efficient computation of personal aggregate queries on blogs. K. C. Sia, J. Cho, Y. Chi, B. L. Tseng. KDD 2008.
FacetNet: A framework for analyzing communities and their evolutions in dynamic networks. Y-R Lin, Y. Chi, S. Zhu, H. Sundaram, B. L. Tseng. WWW 2008.
Evolutionary spectral clustering by incorporating temporal smoothness. Y. Chi, X. Song, D. Zhou, K. Hino, B. L. Tseng. KDD 2007. (Best Research Paper Award Runner-up)
Structural and temporal analysis of the blogosphere through community factorization. Y. Chi, S. Zhu, X. Song, J. Tatemura, B. L. Tseng. KDD 2007.
Information flow modeling based on diffusion rate for prediction and ranking. X. Song, Y. Chi, K. Hino, B. L. Tseng. WWW 2007.
Combining content and link for classification using matrix factorization. S. Zhu, K. Yu, Y. Chi, Y. Gong. SIGIR 2007.
Incremental spectral clustering with application to monitoring of evolving blog communities. H. Ning, W. Xu, Y. Chi, Y. Gong, T. Huang. SIAM SDM 2007.
Identifying opinion leaders in the blogosphere. X. Song, Y. Chi, K. Hino, B. L. Tseng. CIKM 2007.
Blog community discovery and evolution based on mutual awareness expansion. Y-R Lin, H. Sundaram, Y. Chi, J. Tatemura, B. L. Tseng. WI 2007.
Splog detection using content, time and link structures. Y-R Lin, H. Sundaram, Y. Chi, J. Tatemura, B. L. Tseng. ICME 2007.
Capturing user interests by both exploitation and exploration. K. C. Sia, S. Zhu, Y. Chi, K. Hino, B. L. Tseng. UM 2007.
RSS feeds monitoring driven by user browsing pattern. K. C. Sia, J. Cho, K. Hino, Y. Chi, S. Zhu, B. L. Tseng. ICWSM 2007.
Eigen-Trend: trend analysis in the blogosphere based on singular value decompositions. Y. Chi, B. L. Tseng, J. Tatemura. CIKM 2006.
Loadstar: A load shedding scheme for classifying data streams. Y. Chi, P. S. Yu, H. Wang, R. R. Muntz. SIAM SDM 2005.
Moment: maintaining closed frequent itemsets over a stream sliding window. Y. Chi, H. Wang, P. S. Yu, R. R. Muntz. ICDM 2004.
HybridTreeMiner: An efficient algorithm for mining frequent rooted trees and free trees using canonical forms. Y. Chi, Y. Yang, R. R. Muntz. SSDBM 2004.
CMTreeMiner: mining both closed and maximal frequent subtrees. Y. Chi, Y. Yang, Y. Xia, R. R. Muntz. PAKDD 2004.
Indexing and mining free trees. Y. Chi, Y. Yang, R. R. Muntz. ICDM 2003.

Workshop and other papers

Splog detection using self-similarity analysis on blog temporal dynamics. Y-R Lin, H. Sundaram, Y. Chi, J. Tatemura, B. L. Tseng. AIRWeb 2007.
Summarization system by identifying influential blogs. X. Song, Y. Chi, K. Hino, B. L. Tseng. ICWSM 2007. (demo paper)
The splog detection task and a solution based on temporal and link properties. Y-R Lin, W-Y Chen, X. Shi, K. C. Sia, X. Song, Y. Chi, K. Hino, H. Sundaram, J. Tatemura, B. L. Tseng. TREC 2006.
Discovery of blog communities based on mutual awareness. Y-R Lin, H. Sundaram, Y. Chi, J. Tatemura, B. L. Tseng. WWE 2006.
Loadstar: load shedding in data stream mining. Y. Chi, H. Wang, P. S. Yu. VLDB 2005. (demo paper)
Mining association rules with non-uniform privacy concerns. Y. Xia, Y. Yang, Y. Chi, R. R. Muntz. DMKD 2004.

Patents

Social network analysis with prior knowledge and non-negative tensor factorization. Y. Chi, S. Zhu, K. Hino, Y. Gong. (pending)
Systems and methods for finding communities and their evolutions in dynamic social network. Tianbao Yang, Y. Chi, S. Zhu, Y. Gong. (pending)
Systems and methods for processing high-dimensional data. Y. Chi, S. Zhu, Y. Gong. (pending)
Multi-document summarization utilizing document clustering. S. Zhu, D. Wang, Y. Chi, Y. Gong. (pending)
System and method for evolutionary spectral clustering. Y. Chi, X. Song, D. Zhou, K. Hino, B. L. Tseng. (pending)
Combining content and link for classification using matrix factorization. S. Zhu, Kai Yu, Y. Chi, Y. Gong. (pending)
System and method for load shedding in classifying data streams. Y. Chi, P. S. Yu, H. Wang. (Disclosure No. YOR820040594, pending)
System and method for maintaining closed frequent itemsets over a data stream sliding window. Y. Chi, P. S. Yu, H. Wang. (Disclosure No. YOR820040811, pending)

Services

PC member for ICDM'06,'09, CIKM'08,'09, SIAM SDM'09, WWW'09,'10, ACML'09, MLG'07,'08,'09.

SEF: 191_75_107

Last updated: Wed Jul 01 07:45:20 PDT 2009

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