Hongrae Lee


		Hongrae Lee Department of Computer Science University of British Columbia X415 - 2366 Main Mall Vancouver, B.C. Canada, V6T 1Z4 Phone: 604-827-3984(0) http://www.cs.ubc.ca/~xguy xguy at cs dot ubc dot ca

About Me

I am a 4th year Ph.D. student in the Department of Computer Science at the University of British Columbia. My supervisor is Raymond Ng. I earned a Master degree in Computer Science at Seoul National University in Korea under the supervison of Hyoung-Joo Kim. I have also been working closely with Kyuseok Shim on research. I did my undergrad in Nuclear Engineering at the same school.

Research Interests

I'm interested in effective and efficient handling of text in databases. With the advance of technologies, a vast amount of text data are generated by users such as blogs, comments, twits and profiles. Such data are hardly error-free with typos and different spelling conventions. They may also be collected from multiple sources and lack standardized representations. These changes call for approximate or error tolerant query processing in databases and there have been growing interests in this direction. My research has been focusing on developing size estimation techniques for approximate text queries, which is crucial in optimizing such queries.

Publications

Hongrae Lee, Raymond Ng, Kyuseok Shim. Power-Law Based Estimation of Set Similarity Join Size. To appear In Proceedings of 35th International Conference on Very Large Data Bases (VLDB), Lyon, France, 2009.

Hongrae Lee, Raymond Ng, Kyuseok Shim. Approximate Substring Selectivity Estimation. In Proceedings of 12th International Conference on Extending Database Technology (EDBT), Saint-Petersburg, Russia, 2009.

	Hongrae Lee, Raymond Ng, Kyuseok Shim. Extending Q-Grams to Estimate Selectivity of String Matching with Low Edit Distance. In Proceedings of 33rd International Conference on Very Large Data Bases (VLDB), pages 195-206, Vienna, Austria, 2007. [pdf]
	Hongrae Lee, Kyuseok Shim, Hyoung-Joo Kim. Compact Suffix Graph for Substring Selectivity Estimation. Journal of KISS, 34(2), Apr. 2007 (In Korean)

Awards and Honors

Student Service Award, Department of Computer Science, UBC, 2008
Precarn Scholarship, Precarn Incorporated, 2 times, 2006~2008

Bronze medal in the 10th Humantech Thesis Prize Contest, Sponsored by Samsung Electronics and Ministry of Education, 2004

Graduate study scholarship, Seoul National University, 2002~2003

Activities

President, KGSA (Korean Graduate Student Association) of University British Columbia, 2007~2008
Member, Graduate Admission Comittee, Department of Comupter Science, 2006~Present
Oboe player, SNUPO (Seoul National University Philharmonic Orchestra), 1996~1997

Personal

SJC Nightcaps , St. John College intramural soccer team.
Yes, this is one of my favorites in Vancouver! We only made it to the semi-final at this year's Handley Cup, but it was real fun. I did score some goals even though the official records don't say so. They are unclean data.
Cesars, CS intramural soccer team.2006
I can recollect only a few victories. That's because we were zombies...
BBC , I like BBC news site.
St. John College , It's a place full of friends, activities... and food :)
Photos
PHD Comics, so real ;)
In case you want to know more or less exact pronunciation of my name :) It's similar to 'Hong' (as in Hong Kong) 'Re' (as in do re mi). But I'm also used to 'Hon-g-ray', 'Hong-ray', 'Hon-ri' or 'Hong-ri'.
KGSA (Korean Graduate Student Association) UBC (in Korean)