Focusing on machine learning and information retrieval. Interested in playing with large data and developing innovative search and discovery applications.

Software Engineer (Search & Data Mining) @ Improving Yelp's dataset quality by building information retrieval/machine learning systems. - Machine learning based ranking model for business matching, business deduplication etc. - Automated chain business detection. - Auto-categorization for businesses From August 2014 to Present (1 year 5 months) San Francisco Bay AreaSoftware Engineer Intern (Search and Discovery) @ Worked with KPEX(Key Phrase EXtraction system) team in Search and Discovery Unit. Prototyped a recommendation system by leveraging facet data in order to improve the coverage of current "People bought this also bought" feature. From May 2013 to August 2013 (4 months) Greater Seattle AreaResearch & Development Intern @ Visualized and analyzed DNS traffic data stored in the Hadoop cluster; Designed and developed UltraDNS Monitor which enables analysis across multiple data attributes and examination of DNS traffic count; Pre-processed data and managed storage format to obtain better query performance. From June 2012 to August 2012 (3 months) Research Assistant @ Data and Information Systems Research Laboratory, UIUC • Worked on the research project of Twitter users’ Location Prediction • Assisted proposing Unified Influence Model of Tweeting and Following Networks • Performed experiments on content-based geo-locating model From May 2011 to January 2012 (9 months) Software Developer @ Photran, UIUC • Programmed refactoring tools for Photran as an Eclipse’s plugin • Developed new database for Photran refactoring engine, made it over 200% faster than the old one From May 2010 to August 2010 (4 months)

Master of Science (M.S.), Computer Science @ University of Illinois at Urbana-Champaign From 2012 to 2014 Bachelor's degree, Computer Science @ University of Illinois at Urbana-Champaign From 2009 to 2012 Beijing No 8 Middle Rui Wang is skilled in: Java, Python, Machine Learning, Hadoop, MapReduce, Hive, Data Mining, C, C++, Matlab, SQL, Distributed Systems, Algorithms, Computer Science, Databases, Artificial Intelligence