Fast Nearest Neighbor Search
Explore tree structures to improve performance of NN search.
Zhen Zhai
I am a Computer Science master student at University of California, San Diego.
My research focuses mainly on machine learning and data mining. I am currently working under the guidance of Professor Sanjoy Dasgupta and Professor Yoav Freund.
News
Graduated from UCSD!
Finished my master thesis: Fast Tree Based Nearest Neighbor Search. Graduated with M.S. in Computer Science. Many thanks to my thesis committee members Professor Yoav Freund, Professor Ramamohan Paturi, and my advisor Professor Sanjoy Dasgupta.
Spring 2017
Open edX Conference 2017
Talk proposal of the statistical result of adaptive hint is accepted by Open edX conference 2017.
Spring 2017
UCSD CSE103 Open edX
Adopted Open edX to build a homework system for an undergraduate class here at UCSD. The system allows students to do homework online and get real-time feedback.
Fall 2016
Talk at Open edX Conference 2016
Gave a lightning talk on the 2016 Open edX conference.
Open edX Conference 2016
The adaptive hint talk proposal is accepted by Open edX conference 2016.
Spring 2016
Recent Work
Educational Data Mining
Build Open edX for UCSD CSE courses. Implement adaptive hints on the top of the online homework system. Explore the effectiveness of adaptive hints by analyzing student homework data.
Teaching
CSE103: Probability and Statistics
Teaching Assistant
Fall 2015, Fall 2016
CSE150: Introduction to Artificial Intelligence: Probabilistic Reasoning and Decision Making
Teaching Assistant
Summer 2016
CSE20: Discrete Math for Computer Science
Teaching Assistant
Spring 2016
CSE190: Discrete and Continuous Optimization
Teaching Assistant
Winter 2016
CSE101: Algorithm
Tutor
Spring 2014
CSE150: Probability Reasoning and Decision Making
Tutor
Winter 2014
CSE103: Probability and Statistics
Tutor
Fall 2013, Fall 2014
Education
University of California, San Diego
Master in Computer Science
2015 - present
University of California, San Diego
B.S. in Computer Science
2012 - 2015