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PODS
2010
ACM
249views Database» more  PODS 2010»
14 years 3 months ago
Semantic query optimization in the presence of types
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
Michael Meier 0002, Michael Schmidt, Fang Wei, Geo...
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
14 years 3 months ago
Variance aware optimization of parameterized queries
Parameterized queries are commonly used in database applications. In a parameterized query, the same SQL statement is potentially executed multiple times with different parameter ...
Surajit Chaudhuri, Hongrae Lee, Vivek R. Narasayya
DOOD
1995
Springer
93views Database» more  DOOD 1995»
14 years 2 months ago
A Query Translation Scheme for Rapid Implementation of Wrappers
Wrappers provide access to heterogeneous information sources by converting application queries into source speci c queries or commands. In this paper we present a wrapper implemen...
Yannis Papakonstantinou, Ashish Gupta, Hector Garc...
GPCE
2008
Springer
13 years 11 months ago
Generating incremental implementations of object-set queries
High-level query constructs help greatly improve the clarity of programs and the productivity of programmers, and are being introduced to increasingly more languages. However, the...
Tom Rothamel, Yanhong A. Liu
INFFUS
2007
88views more  INFFUS 2007»
13 years 10 months ago
A progressive query language and interactive reasoner for information fusion support
Previous approaches in query processing do not consider queries to automatically combine results obtained from different information sources, i.e. they do not support information...
Shi-Kuo Chang, Erland Jungert, Xin Li