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GIS
2008
ACM
14 years 10 months ago
DRM policies for web map service
Open Digital Rights Language (ODRL) is an extensible language for specifying Rights Policy in the context of Digital Rights Management (DRM) applications. The OpenGIS® Web Map Se...
Alban Gabillon, Patrick Capolsini
GISCIENCE
2008
Springer
140views GIS» more  GISCIENCE 2008»
14 years 10 months ago
Modeling Herds and Their Evolvements from Trajectory Data
A trajectory is the time-stamped path of a moving entity through space. Given a set of trajectories, this paper proposes new conceptual definitions for a spatio-temporal pattern n...
Yan Huang, Cai Chen, Pinliang Dong
GIS
2010
ACM
14 years 8 months ago
Scalable shortest paths browsing on land surface
The growing popularity of online Earth visualization tools and geo-realistic games and the availability of high resolution terrain data have motivated a new class of queries to th...
Songhua Xing, Cyrus Shahabi
GIS
2010
ACM
14 years 8 months ago
INTACT: a spatial query integrity assurance framework for location-based services
It is cost-effective for data owners to publicize their spatial databases via database outsourcing; however, data privacy and query integrity are major challenges. In this demonst...
Chih-Jye Wang, Wei-Shinn Ku, Ling Hu, Cyrus Shahab...
GIS
2007
ACM
15 years 10 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang