A federated database system (FDBS) is a collection of cooperating database systems that
are autonomous and possibly heterogeneous. In this paper, we define a reference …

A complete framework for enumerating and classifying the types of multidatabase system
(MDBS) structural and representational discrepancies is developed. The framework is …

One step in interoperating among heterogeneous databases is semantic integration:
Identifying relationships between attributes or classes in different database schemas …

Interoperability is the most critical issue facing businesses that need to access information
from multiple information systems. Our objective in this research is to develop a …

This paper investigates the problems that arise when application requirements dictate that
autonomous spatial databases be integrated into a federated one. The paper focuses on the …

One important step in integrating heterogeneous databases is matching equivalent
attributes: Determining which fields in two databases refer to the same data. The meaning of …

Due to the proliferation of database applications, the integration of existing databases into a
distributed or federated system is one of the major challenges in responding to enterprises' …

Thanks to the development of the federated systems approach on the one hand and the
emphasis on user involvement in database design on the other, the interest in schema …

An approach to accommodating semantic heterogeneity in a federation of interoperable,
autonomous, heterogeneous databases is presented. A mechanism is described for …

The transformation of existing local databases to meet diverse application needs at the
global level is performed through a four-layered procedure that stresses total schema …