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AFRIGRAPH
2003
ACM
15 years 9 months ago
Efficient clustering and visibility calculation for global illumination
Using a radiosity method to estimate light inter-reflections within large scenes still remains a difficult task. The two main reasons are: (i) the computations entailed by the rad...
Daniel Meneveaux, Kadi Bouatouch, Gilles Subrenat,...
PODS
1995
ACM
139views Database» more  PODS 1995»
15 years 9 months ago
Normalizing Incomplete Databases
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
Leonid Libkin
ATAL
2008
Springer
15 years 7 months ago
Self-interested database managers playing the view maintenance game
A database view is a dynamic virtual table composed of the result set of a query, often executed over different underlying databases. The view maintenance problem concerns how a v...
Hala Mostafa, Victor R. Lesser, Gerome Miklau
DICTA
2003
15 years 7 months ago
Segmentation by Adaptive Prediction and Region Merging
Abstract This paper presents a segmentation technique based on prediction and adaptive region merging. While many techniques for segmentation exist, few of them are suited for the ...
Marc Van Droogenbroeck, Hugues Talbot
SBBD
2004
119views Database» more  SBBD 2004»
15 years 7 months ago
Computing the Dependency Basis for Nested List Attributes
Multi-valued dependencies (MVDs) are an important class of constraints that is fundamental for relational database design. Although modern applications increasingly require the su...
Sven Hartmann, Sebastian Link