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SEMWEB
2010
Springer
14 years 10 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
98
Voted
BTW
2009
Springer
133views Database» more  BTW 2009»
15 years 4 months ago
High-Dimensional Indexing for Multimedia Features
Abstract: Efficient content-based similarity search in large multimedia databases requires efficient query processing algorithms for many practical applications. Especially in hi...
Ira Assent, Stephan Günnemann, Hardy Kremer, ...
WWW
2010
ACM
15 years 25 days ago
Mining advertiser-specific user behavior using adfactors
Consider an online ad campaign run by an advertiser. The ad serving companies that handle such campaigns record users' behavior that leads to impressions of campaign ads, as ...
Nikolay Archak, Vahab S. Mirrokni, S. Muthukrishna...
CIDR
2011
401views Algorithms» more  CIDR 2011»
14 years 4 months ago
DBease: Making Databases User-Friendly and Easily Accessible
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...
Guoliang Li, Ju Fan, Hao Wu, Jiannan Wang, Jianhua...
GECCO
2008
Springer
129views Optimization» more  GECCO 2008»
15 years 1 months ago
Fitness calculation approach for the switch-case construct in evolutionary testing
A well-designed fitness function is essential to the effectiveness and efficiency of evolutionary testing. Fitness function design has been researched extensively. For fitness ...
Yan Wang, Zhiwen Bai, Miao Zhang, Wen Du, Ying Qin...