Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
Data warehouses (DWs) are complex computer systems whose main goal is to facilitate the decision making process of knowledge workers. ETL (Extraction-Transformation-Loading) proces...
Integrity constraints (ICs) play a key role in the definition of conceptual schemas. In the UML, ICs are usually specified as invariants written in the OCL. However, due to the hi...
— This paper presents a scalable and flexible system for explicit rate congestion control in Multi-Protocol Label Switched networks. Resource Reservation Protocol is used to sign...
The management and access of distributed informational resources has emerged as an important requirement for scientific simulations using high-performance computing facilities. Bot...