18 search results - page 4 / 4 » Circular Chromatic Numbers of Distance Graphs with Distance ... |
WDAG
2009
Springer
13 years 10 months ago
2009
Springer
Abstract. An (α, β)-spanner of a graph G is a subgraph H that approximates distances in G within a multiplicative factor α and an additive error β, ensuring that for any two no...
ICDE
2010
IEEE
13 years 10 months ago
2010
IEEE
— In recent years, the research community introduced various methods for processing skyline queries in multidimensional databases. The skyline operator retrieves all objects bein...
AFRIGRAPH
2003
ACM
13 years 9 months ago
2003
ACM
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...