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VLDB
1992
ACM
151views Database» more  VLDB 1992»
13 years 12 months ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu
PVLDB
2008
121views more  PVLDB 2008»
13 years 7 months ago
QueryScope: visualizing queries for repeatable database tuning
Reading and perceiving complex SQL queries has been a time consuming task in traditional database applications for decades. When it comes to decision support systems with automati...
Ling Hu, Kenneth A. Ross, Yuan-Chi Chang, Christia...
ADC
2009
Springer
123views Database» more  ADC 2009»
14 years 2 months ago
S.E.A.L. - A Query Language for Entity-Association Queries
The paper presents the S.E.A.L. query language and interpreter for entity-association queries that allows such queries to be expressed in a much simpler way than in SQL. S.E.A.L (...
Edward Stanley, Pavle Mogin, Peter Andreae
VLDB
2007
ACM
147views Database» more  VLDB 2007»
14 years 8 months ago
A General Framework for Modeling and Processing Optimization Queries
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
Michael Gibas, Ning Zheng, Hakan Ferhatosmanoglu
DASFAA
2008
IEEE
168views Database» more  DASFAA 2008»
14 years 2 months ago
SemanticTwig: A Semantic Approach to Optimize XML Query Processing
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
Zhifeng Bao, Tok Wang Ling, Jiaheng Lu, Bo Chen