ROSIE: Runtime Optimization of SPARQL Queries over RDF Using Incremental Evaluation

Author(s):  
Lei Gai ◽  
Xiaoming Wang ◽  
Tengjiao Wang
2021 ◽  
pp. 108140
Author(s):  
Chiara Caiazza ◽  
Claudio Cicconetti ◽  
Valerio Luconi ◽  
Alessio Vecchio

2009 ◽  
pp. 212-220 ◽  
Author(s):  
Hendrik Decker ◽  
Davide Martinenghi

Integrity constraints (or simply “constraints”) are formal representations of invariant conditions for the semantic correctness of database records. Constraints can be expressed in declarative languages such as datalog, predicate logic, or SQL. This article highlights the historical background of integrity constraints and the essential features of their simplified incremental evaluation. It concludes with an outlook on future trends.


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