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[ACM Press the 15th International Conference - Berlin, Germany (2012.03.27-2012.03.30)] Proceedings of the 15th International Conference on Extending Database Technology - EDBT '12 - Heuristics-based query optimisation for SPARQL

โœ Scribed by Tsialiamanis, Petros; Sidirourgos, Lefteris; Fundulaki, Irini; Christophides, Vassilis; Boncz, Peter

Book ID
117996783
Publisher
ACM Press
Year
2012
Weight
242 KB
Category
Article
ISBN
1450307906

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[ACM Press the 15th International Confer
[ACM Press the 15th International Conference - Berlin, Germany (2012.03.27-2012.03.30)] Proceedings of the 15th International Conference on Extending Database Technology - EDBT '12 - Heuristics-based query optimisation for SPARQL
โœ Tsialiamanis, Petros; Sidirourgos, Lefteris; Fundulaki, Irini; Christophides, Va ๐Ÿ“‚ Article ๐Ÿ“… 2012 ๐Ÿ› ACM Press ๐ŸŒ English โš– 242 KB

Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join order search space. In such cases, cost-based query optimization often is not possible. One practical reason for this is that