Sciweavers

981 search results - page 46 / 197
» Negation in Spatial Reasoning
Sort
View
EUROGRAPHICS
2010
Eurographics
14 years 7 months ago
Global Illumination Compensation for Spatially Augmented Reality
When projectors are used to display images on complex, non-planar surface geometry, indirect illumination between the surfaces will disrupt the final appearance of this imagery, ...
Yu Sheng, Theodore C. Yapo, Barbara Cutler
GIS
1999
ACM
14 years 2 months ago
Spatial Data Integrity Constraints in Object Oriented Geographic Data Modeling
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...
GIS
2000
ACM
13 years 9 months ago
Modeling part-whole relationships for spatial data
Spatialapplications must managepartwhole (PW) relationships between spatial objects, for example, the division of an administrative region into zones based on land use. Support fo...
Rosanne Price, Nectaria Tryfona, Christian S. Jens...
IJVR
2007
124views more  IJVR 2007»
13 years 9 months ago
The Effect of Gaps Between Displays on Spatial Perception and Cognition Tasks in Virtual Environments
—We propose the concept of Gap Between Displays (GBD) as a component of immersion in virtual environment systems. We hypothesized that GBD may reduce users’ task performance in...
Yi Wang, Kunmi Otitoju, Tong Liu, Sijung Kim, Doug...
DEON
2008
Springer
13 years 11 months ago
Changing Legal Systems: Abrogation and Annulment Part I: Revision of Defeasible Theories
Abstract. In this paper we investigate how to model legal abrogation and annulment in Defeasible Logic. We examine some options that embed in this setting, and similar rule-based s...
Guido Governatori, Antonino Rotolo