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VLDB
2003
ACM
14 years 10 months ago
2003
ACM
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Correctly generating a structured query (e.g., an XQuery or a SQL query) requires the user to have a full understanding of the database schema, which can be a daunting task. Alter...
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
PODS
2002
ACM
14 years 10 months ago
2002
ACM
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...