The Closed-World Assumption (CWA) on databases expresses that an atom not in the database is false. A more appropriate assumption for databases that are sound but partially incomp...
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
Hemal Khatri, Jianchun Fan, Yi Chen, Subbarao Kamb...
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...
Abstract. In P2P data management systems, semantic interoperability between any two peers that do not share the same ontology relyes on ontology matching. The established correspon...
Anthony Ventresque, Sylvie Cazalens, Philippe Lama...