Results 71 to 80 of about 327,421 (217)
Scripting Relational Database Engine Using Transducer [PDF]
We allow database user to script a parallel relational database engine with a procedural language. Procedural language code is executed as a user defined relational query operator called transducer. Transducer is tightly integrated with relation engine, including query optimizer, query executor and can be executed in parallel like other query operators.
arxiv
A recursive algebra and query optimization for nested relations [PDF]
Latha S. Colby
openalex +1 more source
A system for semantic query optimization [PDF]
Sreekumar T. Shenoy+1 more
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ROSIE: Runtime Optimization of SPARQL Queries Using Incremental Evaluation [PDF]
Relational databases are wildly adopted in RDF (Resource Description Framework) data management. For efficient SPARQL query evaluation, the legacy query optimizer needs reconsiderations. One vital problem is how to tackle the suboptimal query plan caused by error-prone cardinality estimation.
arxiv
Grammar-like functional rules for representing query optimization alternatives [PDF]
Guy M. Lohman
openalex +1 more source
Counting, enumerating, and sampling of execution plans in a cost-based query optimizer [PDF]
Florian Waas, César Galindo-Legaria
openalex +2 more sources
Logic-based approach to semantic query optimization [PDF]
Upen S. Chakravarthy+2 more
openalex +1 more source
Rule-based optimization and query processing in an extensible geometric database system [PDF]
Ludger Becker, Ralf Hartmut Güting
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On compile-time query optimization in deductive databases by means of static filtering [PDF]
Michael Kifer, Eliezer L. Lozinskii
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Query optimization in compressed database systems [PDF]
Zhiyuan Chen, Johannes Gehrke, Flip Korn
openalex +2 more sources