Education

• MS/Phd Program, Computer Science,
  University of Massachusetts, Amherst, MA
  Sep 2000 - present

• BS Program, Computer Science
  Peking University, Beijing, China
  Sep 1996 - May 2000

Teaching Experience

• Teaching Assistant
  University of Massachusetts, Amherst, MA
  Sep 2000 - May 2001

Assisted in teaching CS201: Architecture and Assembly Language. Graded homework, provided lab help, and held out office hours.

Research Experience

• Research Assistant
  University of Massachusetts, Amherst, MA
  Summer 2001 - present

Work in the Center for Intelligent Information Retrieval, focusing on: question answering, specifically, question classification and answer extraction; named entity extraction using conditional random fields and semi-supervised learning with Markov random fields.

• Research Assistant
  Peking University, Beijing, China
  Sep 1999 - May 2000

Worked in the MicroProcessor R&D Center, focusing on memory and cache design.

Related Courses

• CS601: Computation Theory
  Formal languages, Computability, Logic, and Complexity theory

• CS646: Information Retrieval
  Retrieval models, Text representation, Query formulation, Distributed IR

• CS683: Artificial Intelligence
  Advanced search, Knowledge representation and reasoning, Bayesian networks, Intelligent agents architectures

• CS689: Machine Learning: Pattern Classification
  Decision trees, Bayesian decision theory, Maximum-likelihood and Bayesian estimation, SVMs and Clustering techniques

• CS691Z: Machine Learning: Advanced Methods
  Ensemble methods, HMMs, EM, Relational learning, Semi-supervised learning, and Advanced clustering

• CS791H: Language Modeling
  Read and discuss papers covering new developments in this area

• CS791S: Statistical Information Extraction
  Generative and conditional models, Maximum entropy methods, CRFs, factorial Markov models, semi-supervised training methods

• CS691T: Computational Social Network Analysis
  Small world networks, power-law distributions, search and spread of influence, dynamic network modeling

Research Interests

Machine Learning
Information Extraction
Natural Language Processing
Information Retrieval
Question Answering