Current Research Interests

Numerical Algorithms, Data and Visual Analytics, Scientific Computing, Bioinformatics (Gene Selection), Missing Value Estimation, Protein Structure Prediction, Text Analysis, Parallel Computing

Recent Research Projects

  • NSF/DHS FODAVA-Lead (Foundations of Data and Visual Analytics), Director
  • Lower Dimensional Representation of Massive Data
  • Nonnegative Matrix and Tensor Factorizations
  • Kernel-based Nonlinear Dimension Reduction Methods
  • Adaptive Dimension Reduction and Classification
  • Facial Recognition, Finger Print Classification
  • Text Processing in Information Retrieval
  • Missing Value Estimation in Microarray Analysis
  • Gene Selection in Microarray Analysis
  • Protein Structure Prediction