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ICCSA
2009
Springer
14 years 2 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
IV
2003
IEEE
98views Visualization» more  IV 2003»
14 years 1 months ago
A new approach to virtual design for spatial configuration problems
In this paper, we present a new framework for the use of Virtual Reality (VR) in engineering design for configuration applications. Traditional VR systems support the visual explo...
Carlos Calderon, Marc Cavazza, Daniel Diaz
XSYM
2009
Springer
264views Database» more  XSYM 2009»
14 years 2 months ago
From Entity Relationship to XML Schema: A Graph-Theoretic Approach
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
Massimo Franceschet, Donatella Gubiani, Angelo Mon...
ICDT
2012
ACM
251views Database» more  ICDT 2012»
11 years 10 months ago
Computing universal models under guarded TGDs
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
André Hernich
ICIP
2005
IEEE
14 years 9 months ago
A dynamic Bezier curve model
Bezier curves (BC) are fundamental to a wide range of applications from computer-aided design through to object shape descriptions and surface mapping. Since BC only consider glob...
Ferdous Ahmed Sohel, Laurence S. Dooley, Gour C. K...