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NCA
2006
IEEE
15 years 10 months ago
A Multipolicy Authorization Framework for Grid Security
A Grid system is a Virtual Organization that is composed of several autonomous domains. Authorization in such a system needs to be flexible and scalable to support multiple securi...
Bo Lang, Ian T. Foster, Frank Siebenlist, Rachana ...
GCC
2005
Springer
15 years 9 months ago
BlogGrid: Towards an Efficient Information Pushing Service on Blogspace
With increasing concerns about the personalized information space, users have been posting various types of information on their own blogs. Due to the domain-specific properties of...
Jason J. Jung, Inay Ha, GeunSik Jo
ER
2004
Springer
111views Database» more  ER 2004»
15 years 9 months ago
Link Patterns for Modeling Information Grids and P2P Networks
Collaborative work requires, more than ever, access to data located on multiple autonomous and heterogeneous data sources. The development of these novel information platforms, ref...
Christopher Popfinger, Cristian Pérez de La...
SIBGRAPI
2002
IEEE
15 years 9 months ago
Dynamic Scene Occlusion Culling Using a Regular Grid
We present an output-sensitive occlusion culling algorithm for densely occluded dynamic scenes where both the viewpoint and objects move arbitrarily. Our method works on a regular ...
Harlen Costa Batagelo, Shin-Ting Wu
FGCS
2002
138views more  FGCS 2002»
15 years 4 months ago
Armada: a parallel I/O framework for computational grids
High-performance computing increasingly occurs on "computational grids" composed of heterogeneous and geographically distributed systems of computers, networks, and stor...
Ron Oldfield, David Kotz