1 citations · 1 across the 2 of their papers we have counts for
2 papers
cs.AI2026
Abstractions of Queries in Ontology-Based Data Access
Michel Leclère, Marie-Laure Mugnier, Guillaume Pérution-Kihli
In ontology-based data access (OBDA), multiple data sources are integrated via mappings to an ontology. We consider an OBDA setting based on existential rules and the certain answe…
cs.DB2023★ 1 cited
Query Rewriting with Disjunctive Existential Rules and Mappings
Michel Leclère, Marie-Laure Mugnier, Guillaume Pérution-Kihli
We consider the issue of answering unions of conjunctive queries (UCQs) with disjunctive existential rules and mappings. While this issue has already been well studied from a chase…