Sciweavers

196 search results - page 4 / 40
» The GMD Data Model and Algebra for Multidimensional Informat...
Sort
View
VLDB
1998
ACM
180views Database» more  VLDB 1998»
13 years 11 months ago
nD-SQL: A Multi-Dimensional Language for Interoperability and OLAP
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
Frédéric Gingras, Laks V. S. Lakshma...
GIS
2004
ACM
14 years 8 months ago
Capturing complex multidimensional data in location-based data warehouses
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
Igor Timko, Torben Bach Pedersen
IACR
2011
129views more  IACR 2011»
12 years 7 months ago
Bounded Vector Signatures and their Applications
Although malleability is undesirable in traditional digital signatures, schemes with limited malleability properties enable interesting functionalities that may be impossible to o...
Lei Wei, Scott E. Coull, Michael K. Reiter
DSS
2006
140views more  DSS 2006»
13 years 7 months ago
Access control and audit model for the multidimensional modeling of data warehouses
Due to the sensitive data contained in Data Warehouses (DW), it is essential to specify security measures from the early stages of the DW design and enforce them. Traditional acce...
Eduardo Fernández-Medina, Juan Trujillo, Ro...
CORR
2010
Springer
173views Education» more  CORR 2010»
13 years 7 months ago
Towards Conceptual Multidimensional Design in Decision Support Systems
Multidimensional databases support efficiently on-line analytical processing (OLAP). In this paper, we depict a model dedicated to multidimensional databases. The approach we prese...
Olivier Teste