Optimizing Query Answering under Ontological Constraints

Ontological queries are evaluated against a database combined with ontological constraints. Answering such queries is a challenging new problem for database research. For many ontological modelling languages, query answering can be solved via query rewriting: given a conjunctive query and an ontolog...

Descrizione completa

Dettagli Bibliografici
Autori principali: Orsi, G, Pieris, A
Natura: Journal article
Pubblicazione: 2011