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» A Data Transformation Method Based on Schema Mapping
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GRID
2007
Springer
15 years 4 months ago
Managing Role-Based Access Control Policies for Grid Databases in OGSA-DAI Using CAS
In this paper, we present a role-based access control method for accessing databases through the Open Grid Services Architecture – Data Access and Integration (OGSA-DAI) framewor...
Anil L. Pereira, Vineela Muppavarapu, Soon M. Chun...
120
Voted
ICRA
2000
IEEE
114views Robotics» more  ICRA 2000»
15 years 9 months ago
In-Situ Attitude Calibration for High Resolution Bathymetric Surveys with Underwater Robotic Vehicles
In this paper we present a methodology for high resolution acoustic bathymetric mapping from a robotic underwater vehicle. Based on data obtained from navigation, attitude, and ba...
Hanumant Singh, Oscar Pizarro, Louis L. Whitcomb, ...
SOCO
2008
Springer
15 years 4 months ago
A particular Gaussian mixture model for clustering and its application to image retrieval
We introduce a new method for data clustering based on a particular Gaussian mixture model (GMM). Each cluster of data, modeled as a GMM into an input space, is interpreted as a hy...
Hichem Sahbi
ESANN
2003
15 years 6 months ago
Locally Linear Embedding versus Isotop
Abstract. Recently, a new method intended to realize conformal mappings has been published. Called Locally Linear Embedding (LLE), this method can map high-dimensional data lying o...
John Aldo Lee, Cédric Archambeau, Michel Ve...
SSD
2009
Springer
193views Database» more  SSD 2009»
15 years 11 months ago
Query Integrity Assurance of Location-Based Services Accessing Outsourced Spatial Databases
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
Wei-Shinn Ku, Ling Hu, Cyrus Shahabi, Haixun Wang