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ICCSA
2009
Springer
15 years 12 months ago
Designing Data Warehouses for Geographic OLAP Querying by Using MDA
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...
Octavio Glorio, Juan Trujillo
201
Voted
ER
2003
Springer
550views Database» more  ER 2003»
15 years 10 months ago
A UML Based Approach for Modeling ETL Processes in Data Warehouses
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...
Juan Trujillo, Sergio Luján-Mora
167
Voted
SAC
2006
ACM
15 years 5 months ago
Transforming OCL constraints: a context change approach
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...
Jordi Cabot, Ernest Teniente
162
Voted
INFOCOM
2006
IEEE
15 years 11 months ago
An Integrated Framework for Managing Best Effort Traffic in MPLS Networks
— 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...
Christopher Marty, Mohamed A. Ali
PDPTA
2004
15 years 6 months ago
An Integrated Global Service for File Transfer and Management in a Network (FTM)
The management and access of distributed informational resources has emerged as an important requirement for scientific simulations using high-performance computing facilities. Bot...
Jim Almond, Peggy Lindner