Data Warehouses are decisional information artifacts that are embedded in the organizations that create/maintain them. Therefore, Data Warehouse Requirements Engineering must start...
: Information Technology (IT) has evolved over time from its traditional use as administrative support towards a more strategic role to enforce business processes (BP). But several...
Abstract—A growing number of applications start using Semantic Web technologies. The base concept in this technology is the use of ontologies, allowing first-order logic reasoni...
The paper presents the main results of the IST FP6 INFRAWEBS project. The project has developed an easy and effective way of constructing and using semantic descriptions for existi...
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...