In an environment in which SMEs increasingly search for opportunities abroad
and in which they have to face mounting competitive pressure on their home
markets, efficiency is vital. While there are little doubts on the benefits
that a more…

Ontologies are key components in the development of the SemanticWeb, as they
provide a shared understanding of a domain. However, acquiring the knowledge
needed to construct ontologies is a costly task that requires much time and
many resources. This…

This work describes a way to map complex and / or multivalued attributes from a visual query environment to relational databases, using XML. These attributes are usually produced after the application of integration methodologies, like ERC+, whenever exists in original…

In this work we propose a solution to the frame and ramification problems in terms of a dependence relation that points out the circumstances in which a certain action may change the truth value of a given literal. Such relation…