This paper presents a semantic foundation of temporal conceptual models used to design temporal information systems. We consider a modeling language able to express both timestampi...
History based models, introduced by Parikh and Ramanujam, provide a natural mathematical model of social interactive situations. These models offer a ”low level” description ...
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
—This paper introduces YARRA, a conservative extension to C to protect applications from non-control data attacks. YARRA programmers specify their data integrity requirements by ...