Sciweavers

1196 search results - page 141 / 240
» Keyword Search on Spatial Databases
Sort
View
WIDM
2006
ACM
14 years 1 months ago
The GEON portal: accelerating knowledge discovery in the geosciences
Geoscience studies produce data from various observations, experiments, and simulations at an enormous rate. With proliferation of applications and data formats, the geoscience re...
Ullas Nambiar, Bertram Ludäscher, Kai Lin, Ch...
WWW
2008
ACM
14 years 8 months ago
Supporting anonymous location queries in mobile environments with privacygrid
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
Bhuvan Bamba, Ling Liu, Péter Pesti, Ting W...
EDBT
2011
ACM
225views Database» more  EDBT 2011»
12 years 11 months ago
SeMiTri: a framework for semantic annotation of heterogeneous trajectories
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
Zhixian Yan, Dipanjan Chakraborty, Christine Paren...
CCS
2010
ACM
13 years 12 months ago
Data protection in outsourcing scenarios: issues and directions
Data outsourcing is an emerging paradigm that allows users and companies to give their (potentially sensitive) data to external servers that then become responsible for their stor...
Pierangela Samarati, Sabrina De Capitani di Vimerc...
CIVR
2007
Springer
178views Image Analysis» more  CIVR 2007»
14 years 2 months ago
Layout indexing of trademark images
Ensuring the uniqueness of trademark images and protecting their identities are the most important objectives for the trademark registration process. To prevent trademark infringe...
Reinier H. van Leuken, M. Fatih Demirci, Victoria ...