Research of Zhiyuan Chen

Journal Papers

Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukrishnan: Generalized Substring Selectivity Estimation. Journal of Computer and System Sciences, to appear.

Refereed Conference Papers

• Zhiyuan Chen, Johannes Gehrke, Flip Korn: Query Optimization in Compressed Database Systems. In proceedings of the ACM SIGMOD International Conference on Management of Data, May 21 - 24, 2001, Santa Barbara, California, USA. (SIGMOD'2001) Abstract, pdf, ps, slides. 
  

• Zhiyuan Chen, H.V. Jagadish, Flip Korn, Nick Koudas, S., Muthukrishnan, Raymond Ng, and Divesh Srivastava: Counting Twig Matches in a Tree. In proceedings of The 17h International Conference on Data Engineering, April 2-6, 2001, Heidelberg, Germany, 595-604. (ICDE' 2001) Abstract, ps.
  
  

• Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukrishnan: Selectivity Estimation for Boolean Queries. In proceedings of the Nineteenth ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, May 15-17, 2000, Dallas, Texas, USA, 216-225. (PODS' 2000). Abstract, pdf, slides. Also invited to the the Journal of Computer and System Sciences (JCSS).
  

• Zhiyuan Chen and Praveen Seshadri: An Algebraic Compression Framework for Query Results. In proceedings of the 16th International Conference on Data Engineering, 28 February - 3 March, 2000, San Diego, California, USA, 177-188. ( ICDE' 2000) Abstract, pdf, ps, Slides. Preliminary version: Zhiyuan Chen and Praveen Seshadri: A compression framework for query results. Compute Science Dept, Cornell Unversity, Technical Report TR98-1720.
  
  
  
• Philippe Bonnet, Kyle Buza, Zhiyuan Chen, Victor Cheng, Randolph Chung, Takako M. Hickey, Ryan Kennedy, Daniel Mahashin, Tobias Mayr, Ivan Oprencak, Praveen Seshadri, Hubert Siu: The Cornell Jaguar System: Adding Mobility to PREDATOR. In Proc. of ACM SIGMOD International Conference on Management of Data, June 1-3, 1999, Philadephia, Pennsylvania, USA, 580-581. Slides

Patents

• Zhiyuan Chen, Flip Korn, Nick Koudas, and S. Muthukrishnan: Multi-dimensional Substring Selectivity Estimation.  Docket Number 1999-0772, Florham Park, NJ.

• Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukrishnan: Method and Apparatus for Estimating the Selectivity of Boolean Queries. Docket Number 1999-0769, Florham Park, NJ.

• Zhiyuan Chen, H.V. Jagadish, Flip Korn, Nick Koudas, S., Muthukrishnan, Raymond Ng, and Divesh Srivastava: Counting Twig Matches in a Tree.

Sites for Database Research

DBLP.

SIGMOD

ACM Digital Library

GOOGLE. A quite effective search site.

Altavista: An OK search engine wich tends to produce more and more trash.

Ncstrl: The site to browse technical reports from schools.

Other CS Department: To visit other departments.

Peer School Database Research Projects: To see what other db guys are doing.