Current Research Interests

Numerical Computing, Efficient and Effective Algorithms for Large Scale Data Analytics, Visual Analytics, Text Analysis, Bioinformatics, Parallel Computing

Recent Research Projects

  • DARPA XDATA Project Fast Algorithms on Imperfect, Heterogeneous, Distributed Data for Interactive Analysis, PI
  • NSF/DHS FODAVA-Lead (Foundations of Data and Visual Analytics), Dimension Reduction and Data Reduction: Foundations for Visualization, PI and Director
  • Multi-scale Characterization of Document Themes, Granularity, and Triage
  • Lower Dimensional Representation of Massive Data
  • Nonnegative Matrix and Tensor Factorizations
  • Adaptive Dimension Reduction and Classification
  • Text Analysis and Fast Algorithms for Large-scale Topic Discovery