Mediators – used in federated information systems – provide a homogeneous read-only access to a set of autonomous information sources. To achieve semantic integration of the h...
Abstract. This paper deals with updates of XML documents that satisfy a given schema, e.g., a DTD. In this context, when a given update violates the schema, it might be the case th...
In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general objectoriented model for sc...
The complexity, cost, and down-time currently created by the database schema evolution process is the source of incessant problems in the life of information systems and a major s...
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...