Research Interests

• Ad Hoc Data Processing
• Programming Languages and Type Systems
• Machine Learning Applications
  

Publications

• "Ad Hoc Data and the Token Ambiguity Problem" (PDF)
  • Qian Xi, Kathleen Fisher, David Walker and Kenny Zhu
  • In the Proceedings of 11th International Symposium on Practical Aspects of Declarative Languages, PADL 2009.
    

• "A Context-free Markup Language for Semi-structured Text"
  • Qian Xi and David Walker
  • To appear in the Proceedings of ACM SIGPLAN 2010 Conference on Programming Language Design and Implementation, PLDI 2010.
    

Talks

• General exam presentation (PPT)

• the 11th International Symposium on Practical Aspects of Declarative Languages, PADL 2009, Savannah, Georgia (PPT)