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TCS
2002
13 years 4 months ago
Operational and abstract semantics of the query language G-Log
Agostino Cortesi, Agostino Dovier, Elisa Quintarel...
VLDB
2006
ACM
203views Database» more  VLDB 2006»
14 years 5 months ago
The CQL continuous query language: semantic foundations and query execution
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
Arvind Arasu, Shivnath Babu, Jennifer Widom
BNCOD
2008
129views Database» more  BNCOD 2008»
13 years 6 months ago
A Semantics for a Query Language over Sensors, Streams and Relations
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...
PPSWR
2004
Springer
13 years 10 months ago
Towards a Multi-calendar Temporal Type System for (Semantic) Web Query Languages
Abstract. Time is omnipresent on the (Semantic) Web. However, formalism like XML, XML Schema, RDF, OWL and (Semantic) Web query languages have, if any, only very limited notions of...
François Bry, Stephanie Spranger
ICLP
2007
Springer
13 years 8 months ago
OnEQL: An Ontology Efficient Query Language Engine for the Semantic Web
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
Edna Ruckhaus, Maria-Esther Vidal, Eduardo Ruiz