Recent Publications
_______. (in press). "Regionalization with Dynamically Constrained Agglomerative Clustering and Partitioning (REDCAP)". International Journal of Geographical Information Science.

Chen, J., A.M. MacEachren, and _______. 2008. "Supporting the Process of Exploring and Interpreting Space-Time, Multivariate Patterns: The Visual Inquiry Toolkit ". Cartography and Geographic Information Science. 35(1), pp. 33-50.

_____, K. Liao, M. Morgan 2007. "Visualizing Patterns in a Global Terrorism Incident Database". Environment and Planning B: Planning and Design. 34, pp.767-784.

_______. 2007. "Visual Analytics of Spatial Interaction Patterns for Pandemic Decision Support". International Journal of Geographical Information Science, Special Issue on Visualization, Analytics & Spatial Decision Support. 21(8), pp. 859-877.

_____. and M. Gahegan. 2006. "Spatial Ordering and Encoding for Geographic Data Mining and Visualization", Journal of Intelligent Information Systems, 27(3), pp. 243-266.

_____, J. Chen, A. M. MacEachren, and K. Liao. 2006. "A Visualization System for Spatio-Temporal and Multivariate Patterns (VIS-STAMP)", IEEE Transactions on Visualization and Computer Graphics, 12(6), pp. 1461-1474.

_____, M. Gahegan, A.M. MacEachren, and B. Zhou. 2005. "Multivariate Analysis and Geovisualization with an Integrated Geographic Knowledge Discovery Approach". Cartography and Geographic Information Science. 32(2), pp. 113-132.

____, M. Gahegan, and A. MacEachren. 2004. "An Integrated Environment for High-Dimensional Geographic Data Mining", The Third International Conference on Geographic Information Science, Adelphi, MD, USA, pp. 107-110.

Ola, A., ____, and J. Macgill. 2004. "Exploration of Semantic Uncertainty in Parameterized Land Use/Land Cover Classifications", The Third International Conference on Geographic Information Science, Adelphi, MD, USA, pp. 5-8.

____. 2003. "Coordinating Computational and Visual Approaches for Interactive Feature Selection and Multivariate Clustering", Information Visualization, 2(4): 232-246.

____, D.J. Peuquet, and M. Gahegan. 2003. "ICEAGE: Interactive Clustering and Exploration of Large and High-dimensional Geodata", GeoInformatica, 7(3): 229-253.

Awards
National Science Foundation (NSF) CAREER Award, 2008
Semifinalist, NSF Science & Engineering Visualization Challenge
   (Top 10 entries in the Information Graphics category), 2007
First Prize, IEEE Information Visualization Contest, 2005
Intergraph-UCGIS Young Scholar Award, 2004
Paper Award, UCGIS Summer Assembly, 2003
First place in poster competition and travel award, UCGIS Summer Assembly, 2002
E. William Miller Award, Pennsylvania State University, 2002
Presidential Award, Excellent Master Thesis, Chinese Academy of Sciences, 1999
Graduate Student Fellowship, Chinese Academy of Sciences, 1996-97
University Scholarship, Peking University, 1992-95

Teaching
Seminar: Quantitative Analysis in Geography
Introduction to Geographic Information Systems (GIS)
Seminar in GIS: Spatial-Temporal Data Mining and Knowledge Discovery
The Earth from Above: An Introduction to Geographic Information Technologies
Spatial Programming