Logic-based approach to semantic query optimization
ACM Transactions on Database Systems (TODS)
Semantic query optimization in Datalog programs (extended abstract)
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
Query caching and optimization in distributed mediator systems
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
Cost-based optimization for magic: algebra and implementation
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
Query optimization in the presence of limited access patterns
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
Query rewriting for semistructured data
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
An algorithm for ordering subgoals in NAIL?
Proceedings of the seventh ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
An Efficient Semantic Query Optimization Algorithm
Proceedings of the Seventh International Conference on Data Engineering
On Semantic Query Optimization in Deductive Databases
Proceedings of the Eighth International Conference on Data Engineering
Optimizing Queries Across Diverse Data Sources
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
The Case for Enhanced Abstract Data Types
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
Implementation of Two Semantic Query Optimization Techniques in DB2 Universal Database
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
Query Optimization in a Heterogeneous DBMS
VLDB '92 Proceedings of the 18th International Conference on Very Large Data Bases
Querying Heterogeneous Information Sources Using Source Descriptions
VLDB '96 Proceedings of the 22th International Conference on Very Large Data Bases
Leveraging Mediator Cost Models with Heterogeneous Data Sources
ICDE '98 Proceedings of the Fourteenth International Conference on Data Engineering
Scaling heterogeneous databases and the design of Disco
ICDCS '96 Proceedings of the 16th International Conference on Distributed Computing Systems (ICDCS '96)
Sensor Queries: Algebraic Optimization for Time and Energy
International Journal of Distributed Sensor Networks
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A logic-based specification for Capability-Based Rewriting (CBR) in web query processing is presented. Within this approach it is shown how Semantic Query Optimization (SQO) can be used to improve the performance of a web query optimizer. Our approach allows for the characterization of different CBR tools and their properties in a uniform and generic manner. It also reveals important optimization opportunities (based on SQO) which are commonly ignored in existing CBR tools.