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APAL
2006
73views more  APAL 2006»
13 years 11 months ago
Compactness in locales and in formal topology
If a locale is presented by a "flat site", it is shown how its frame can be presented by generators and relations as a dcpo. A necessary and sufficient condition is deri...
Steven J. Vickers
APAL
2010
141views more  APAL 2010»
13 years 11 months ago
Locatedness and overt sublocales
Locatedness is one of the fundamental notions in constructive mathematics. The existence of a positivity predicate on a locale, i.e. the locale being overt, or open, has proved to ...
Bas Spitters
SPIESR
2000
104views Database» more  SPIESR 2000»
14 years 26 days ago
Feature localization and search by object model under illumination change
Color object recognition methods that are based on image retrieval algorithms can handle changes of illumination via image normalization, e.g. simple color-channel-normalization1 ...
Mark S. Drew, Zinovi Tauber, Ze-Nian Li
VR
2000
IEEE
103views Virtual Reality» more  VR 2000»
14 years 3 months ago
Extending Locales: Awareness Management in MASSIVE-3
Locales (as first embodied in the SPLINE system) are a very good approach to constructing and organising large virtual environments, especially for distributed and multiuser syste...
Jim Purbrick, Chris Greenhalgh
COOPIS
2003
IEEE
14 years 4 months ago
From Where to What: Metadata Sharing for Digital Photographs with Geographic Coordinates
Abstract. We describe LOCALE, a system that allows cooperating information systems to share labels for photographs. Participating photographs are enhanced with a geographic locatio...
Mor Naaman, Andreas Paepcke, Hector Garcia-Molina