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» Query Processing Using Ontologies
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ICDE
2010
IEEE
198views Database» more  ICDE 2010»
16 years 3 months ago
Q-Cop: Avoiding Bad Query Mixes to Minimize Client Timeouts Under Heavy Loads
In three-tiered web applications, some form of admission control is required to ensure that throughput and response times are not significantly harmed during periods of heavy load....
Sean Tozer, Tim Brecht, Ashraf Aboulnaga
108
Voted
WAIM
2004
Springer
15 years 9 months ago
Learning-Based Top-N Selection Query Evaluation over Relational Databases
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
Liang Zhu, Weiyi Meng
SIGMOD
2010
ACM
171views Database» more  SIGMOD 2010»
15 years 8 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
GPCE
2008
Springer
15 years 4 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»
15 years 3 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