Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
As a general framework, UNITY does not offer any specific facility for the design of distributed systems. For such systems, distribution aspects must be represented at a low level,...
Michel Charpentier, Mamoun Filali, Philippe Mauran...
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
Ladjel Bellatreche, Guy Pierra, Dung Nguyen Xuan, ...
In this paper, we describe a framework for an object-oriented modeling of meta information and its use for the integration of heterogeneous databases with the goal of their intero...
Daniel A. Keim, Hans-Peter Kriegel, Andreas Mieths...
Abstract. We address the general problem of automatically proving safety properties of reactive systems within the UNITY model. We take up a relational and set-based approach, and ...