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COMGEO
2010
ACM
14 years 1 months ago
Access control systems for spatial data infrastructures and their administration
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...
Jan Herrmann
UCS
2007
Springer
14 years 3 months ago
RFID Privacy Using Spatially Distributed Shared Secrets
Many of today’s proposed RFID privacy schemes rely on the encryption of tag IDs with user-chosen keys. However, password management quickly becomes a bottleneck in such proposals...
Marc Langheinrich, Remo Marti
KI
1994
Springer
14 years 1 months ago
Combining Spatial and Terminological Reasoning
The paper presentsa method for terminological reasoningabout spatial objects on the basis of a KL-ONE-like framework (LOOM). We apply this method to the domain of deductive geograp...
Volker Haarslev, Ralf Möller, Carsten Schr&ou...
SEBD
2003
159views Database» more  SEBD 2003»
13 years 11 months ago
Spatial Tree Logics to reason about Semistructured Data
The Ambient Logic is a modal logic proposed to describe the structural and computational properties of distributed and mobile computations. The static part of the Ambient Logic is,...
Giovanni Conforti, Giorgio Ghelli
TMI
1998
175views more  TMI 1998»
13 years 9 months ago
A Harmonic Decomposition Reconstruction Algorithm for Spatially-Varying Focal Length Collimators
—Spatially varying focal length fan-beam collimators can be used in single photon emission computed tomography to improve detection efficiency and to reduce reconstruction artif...
Jiangsheng You, Zhengrong Liang, Shanglian Bao