Exploració per tema "Query processing"
Ara es mostren els items 1-4 de 4
(Institute of Electrical and Electronics Engineers, 2006)
Text en actes de congrés
Accés obertThe use of evolutionary algorithms has been proposed as a powerful random search strategy to solve the join order problem. Specifically, genetic programming used in query optimization has been proposed as an alternative ...
Accés restringit per política de l'editorialIn this paper we try to understand the heuristics that underlie the decisions made by the Horn query learning algorithm proposed in . We take advantage of our explicit representation of such heuristics in order to ...
Comunicació de congrés
Accés restringit per política de l'editorialWe describe a software architecture we have developed for a constructive containment checker of Entity SQL queries defined over extended ER schemas expressed in Microsoft's Entity Data Model. Our application of interest ...
Report de recerca
Accés obertMappings between schemas are key elements in several contexts such as data exchange, data integration, peer data management systems, etc. In all these contexts, the process of designing a mapping requires the participation ...