xhyu


Xiaohui Yu

Photo of Xiaohui Yu

School of Information Technology

Associate Professor

Office: 3050 Victor Phillip Dahdaleh Building (DB)
(Formerly known as Technology Enhanced
Learning Building)
Phone: 416-736-2100 Ext:  33887
Email: xhyu@yorku.ca
Primary website: http://www.yorku.ca/xhyu


Xiaohui Yu joined York University in 2006, where he is currently an assistant professor. He did his PhD in Computer Science at the University of Toronto under the supervision of the late Professor Kenneth Sevcik and later Professor Nick Koudas.

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Xiaohui Yu joined York University in 2006, where he is currently an assistant professor. He did his PhD in Computer Science at the University of Toronto under the supervision of the late Professor Kenneth Sevcik and later Professor Nick Koudas. He holds a MPhil in Computer Science & Engineering from the Chinese University of Hong Kong (2001), and a BSc in Computer Science from Nanjing University, China (1999). His research intertests lie in the areas of information systems, data mining, and the Web.

Degrees

PhD, University of Toronto
Mphil, Chinese University of Hong Kong
BSc, Nanjing University, China

Research Interests

, Database SystemsQuery processing and optimization in relational database systems, Keyword search as an enabling technology for user navigation and information integration in information systems, Data mining (in particular, sentiment analysis) for business intelligence

Current Research Projects


    See more
    Funders:
    Minor Research Grant (York University)

    See more
    Funders:
    ATK Fellowship (York University)

    See more
    Funders:
    Minor Research Grant (York University)
Conference Papers

Publication
Year

J. Dong, X. Yu. CSR+-tree: Cache-conscious Indexing for High-dimensional Similarity Search, in Proceedings of the 19th International Conference on Scientific and Statistical Database Management (SSDBM 2007), Banff, Canada, July 2007. (pdf)

2007

Conference Proceedings

Publication
Year

K. Pu, X. Yu. Keyword Query Cleaning, to appear in Proceedings of the 34th International Conference on Very Large Data Bases (VLDB 2008), Auckland, New Zealand, August 2008.

2008

X. Yu, Y. Liu. Reasoning about Similarity Queries in Text Retrieval Tasks, in Proceedings of the 17th International World Wide Web Conference (WWW 2008), Beijing, April 2008.

2008

M. Hadjieleftheriou, X. Yu, N. Koudas, D. Srivastava. Selectivity Estimation of Set Similarity Selection Queries, to appear in Proceedings of the 34th International Conference on Very Large Data Bases (VLDB 2008), Auckland, New Zealand, August 2008.

2008

Y. Liu, J. Huang, A. An, X. Yu. ARSA: A Sentiment-Aware Model for Predicting Sales Performance Using Blogs, in Proceedings of the 30th Annual International ACM SIGIR Conference (SIGIR 2007), Amsterdam, July 2007. Acceptance rate:18%. (pdf)

2007

C. Zuzarte, X. Yu. Fast Approximate Computation of Statistics on Views. In Proceedings of the ACM SIGMOD Conference (SIGMOD 2006), Chicago, IL, June 2006. (industry talk)

2006

X. Yu, N. Koudas, C. Zuzarte. HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates. In Proceedings of the 10th International Conference on Extending Database Technology (EDBT 2006), Munich, Germany, March 2006. Acceptance rate: 16%. (ps, pdf, ppt)

2006

S. Guha, N. Koudas, D. Srivastava, X. Yu. Reasoning About Approximate Match Query Results. In Proceedings of the 22nd International Conference on Data Engineering (ICDE 2006), Atlanta, USA, April 2006. Acceptance rate (full paper): 12.9%. (ps, pdf, ppt)

2006

X. Yu, K. Q. Pu, N. Koudas. Monitoring k-Nearest Neighbor Queries over Moving Objects. In Proceedings of the 21st International Conference on Data Engineering (ICDE 2005), Tokyo, Japan, April 2005. Acceptance rate: 12.9%. (ps, pdf, ppt)

2005

X. Yu, C. Zuzarte, K. Sevcik. Towards Estimating the Number of Distinct Value Combinations for a Set of Attributes. In Proceedings of the ACM 14th Conference on Information and Knowledge Management (CIKM 2005), Bremen, Germany, November 2005. Acceptance rate: 18%. (ps, pdf, ppt)

2005


Xiaohui Yu joined York University in 2006, where he is currently an assistant professor. He did his PhD in Computer Science at the University of Toronto under the supervision of the late Professor Kenneth Sevcik and later Professor Nick Koudas.

Xiaohui Yu joined York University in 2006, where he is currently an assistant professor. He did his PhD in Computer Science at the University of Toronto under the supervision of the late Professor Kenneth Sevcik and later Professor Nick Koudas. He holds a MPhil in Computer Science & Engineering from the Chinese University of Hong Kong (2001), and a BSc in Computer Science from Nanjing University, China (1999). His research intertests lie in the areas of information systems, data mining, and the Web.

Degrees

PhD, University of Toronto
Mphil, Chinese University of Hong Kong
BSc, Nanjing University, China

Research Interests

,Database SystemsQuery processing and optimization in relational database systems,Keyword search as an enabling technology for user navigation and information integration in information systems,Data mining (in particular, sentiment analysis) for business intelligence

Current Research Projects


    Project Type: Funded
    Funders:
    Minor Research Grant (York University)

    Project Type: Funded
    Funders:
    ATK Fellowship (York University)

    Project Type: Funded
    Funders:
    Minor Research Grant (York University)

All Publications


Conference Papers

Publication
Year

J. Dong, X. Yu. CSR+-tree: Cache-conscious Indexing for High-dimensional Similarity Search, in Proceedings of the 19th International Conference on Scientific and Statistical Database Management (SSDBM 2007), Banff, Canada, July 2007. (pdf)

2007

Conference Proceedings

Publication
Year

K. Pu, X. Yu. Keyword Query Cleaning, to appear in Proceedings of the 34th International Conference on Very Large Data Bases (VLDB 2008), Auckland, New Zealand, August 2008.

2008

X. Yu, Y. Liu. Reasoning about Similarity Queries in Text Retrieval Tasks, in Proceedings of the 17th International World Wide Web Conference (WWW 2008), Beijing, April 2008.

2008

M. Hadjieleftheriou, X. Yu, N. Koudas, D. Srivastava. Selectivity Estimation of Set Similarity Selection Queries, to appear in Proceedings of the 34th International Conference on Very Large Data Bases (VLDB 2008), Auckland, New Zealand, August 2008.

2008

Y. Liu, J. Huang, A. An, X. Yu. ARSA: A Sentiment-Aware Model for Predicting Sales Performance Using Blogs, in Proceedings of the 30th Annual International ACM SIGIR Conference (SIGIR 2007), Amsterdam, July 2007. Acceptance rate:18%. (pdf)

2007

C. Zuzarte, X. Yu. Fast Approximate Computation of Statistics on Views. In Proceedings of the ACM SIGMOD Conference (SIGMOD 2006), Chicago, IL, June 2006. (industry talk)

2006

X. Yu, N. Koudas, C. Zuzarte. HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates. In Proceedings of the 10th International Conference on Extending Database Technology (EDBT 2006), Munich, Germany, March 2006. Acceptance rate: 16%. (ps, pdf, ppt)

2006

S. Guha, N. Koudas, D. Srivastava, X. Yu. Reasoning About Approximate Match Query Results. In Proceedings of the 22nd International Conference on Data Engineering (ICDE 2006), Atlanta, USA, April 2006. Acceptance rate (full paper): 12.9%. (ps, pdf, ppt)

2006

X. Yu, K. Q. Pu, N. Koudas. Monitoring k-Nearest Neighbor Queries over Moving Objects. In Proceedings of the 21st International Conference on Data Engineering (ICDE 2005), Tokyo, Japan, April 2005. Acceptance rate: 12.9%. (ps, pdf, ppt)

2005

X. Yu, C. Zuzarte, K. Sevcik. Towards Estimating the Number of Distinct Value Combinations for a Set of Attributes. In Proceedings of the ACM 14th Conference on Information and Knowledge Management (CIKM 2005), Bremen, Germany, November 2005. Acceptance rate: 18%. (ps, pdf, ppt)

2005