In this paper we describe a query paradigm based on ontologies, aggregate table-driven querying and expansion of QBE. It has two novel features: visually specifying aggregate table...
Among the new possibilities that the Semantic Web has enabled, the authoring task is considered as a key moment for semantic representation of knowledge to enhance publishing need...
Real-time scheduling theory has developed powerful tools for translating conditions on aggregate system utilization into per-task schedulability guarantees. The main breakthrough ...
Most database applications are designed according the ANSI/SPARC architecture. When it is used, a large amount of semantics of data may be lost during the transformation from the ...
This paper introduces a domain ontology to describe learning material that compose a course, capable of providing adaptive e-learning environments and reusable educational resourc...