18 search results - page 3 / 4 » A central approach to bound the number of crossings in a gen... |
MOBIHOC
2007
ACM
14 years 6 months ago
2007
ACM
Several centralized and distributed algorithms have been recently proposed to maximize the multicast lifetime for directional communications in wireless ad-hoc networks. Their per...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
CGF
2008
13 years 7 months ago
2008
We present a new algorithm for the efficient and reliable generation of offset surfaces for polygonal meshes. The algorithm is robust with respect to degenerate configurations and...
GIS
2009
ACM
14 years 1 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
TASE
2011
IEEE
12 years 10 months ago
2011
IEEE
Abstract—A fast offset surface generation approach is presented in this paper to construct intersection-free offset surfaces, which preserve sharp features, from freeform triangu...