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» Analyzing Plan Diagrams of Database Query Optimizers
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DLOG
2008
13 years 10 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer
EDBT
2010
ACM
189views Database» more  EDBT 2010»
14 years 25 days ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
DASFAA
2009
IEEE
191views Database» more  DASFAA 2009»
14 years 2 months ago
Benchmarking Performance-Critical Components in a Native XML Database System
The rapidly increasing number of XML-related applications indicates a growing need for efficient, dynamic, and native XML support in database management systems (XDBMS). So far, bo...
Karsten Schmidt 0002, Sebastian Bächle, Theo ...
ICDE
2012
IEEE
240views Database» more  ICDE 2012»
11 years 10 months ago
Approximate Shortest Distance Computing: A Query-Dependent Local Landmark Scheme
—Shortest distance query between two nodes is a fundamental operation in large-scale networks. Most existing methods in the literature take a landmark embedding approach, which s...
Miao Qiao, Hong Cheng, Lijun Chang, Jeffrey Xu Yu
EDBT
2010
ACM
180views Database» more  EDBT 2010»
14 years 2 months ago
BSkyTree: scalable skyline computation using a balanced pivot selection
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...
Jongwuk Lee, Seung-won Hwang