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» Data Warehouse Scenarios for Model Management
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EDBTW
2010
Springer
13 years 5 months ago
A decision support system to improve e-learning environments
Nowadays, due to the lack of face-to-face contact, distance course instructors have real difficulties knowing who their students are, how their students behave in the virtual cour...
Marta E. Zorrilla, Diego García, Elena &Aac...
DOLAP
1999
ACM
13 years 12 months ago
Updating OLAP Dimensions
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
VLDB
2007
ACM
160views Database» more  VLDB 2007»
14 years 1 months ago
Over-encryption: Management of Access Control Evolution on Outsourced Data
Data outsourcing is emerging today as a successful paradigm allowing users and organizations to exploit external services for the distribution of resources. A crucial problem to b...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
EDBT
2009
ACM
135views Database» more  EDBT 2009»
14 years 8 days ago
Provenance for nested subqueries
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
Boris Glavic, Gustavo Alonso
DAWAK
2006
Springer
13 years 9 months ago
Towards Multidimensional Requirement Design
Abstract. Data warehouses (DW) main objective is to facilitating decisionmaking. Thus their development has to take into account DW project actor requirements. While much recent re...
Estella Annoni, Franck Ravat, Olivier Teste, Gille...