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CIKM
2011
Springer
14 years 6 months ago
Estimating selectivity for joined RDF triple patterns
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
Hai Huang 0003, Chengfei Liu
CODASPY
2012
14 years 2 months ago
Deriving implementation-level policies for usage control enforcement
Usage control is concerned with how data is used after access to it has been granted. As such, it is particularly relevant to end users who own the data. System implementations of...
Prachi Kumari, Alexander Pretschner
ICDE
2012
IEEE
202views Database» more  ICDE 2012»
13 years 9 months ago
Recomputing Materialized Instances after Changes to Mappings and Data
—A major challenge faced by today’s information systems is that of evolution as data usage evolves or new data resources become available. Modern organizations sometimes exchan...
Todd J. Green, Zachary G. Ives
INFOCOM
2012
IEEE
13 years 9 months ago
MobiShare: Flexible privacy-preserving location sharing in mobile online social networks
—Location sharing is a fundamental component of mobile online social networks (mOSNs), which also raises significant privacy concerns. The mOSNs collect a large amount of locati...
Wei Wei, Fengyuan Xu, Qun Li
ECCV
1994
Springer
16 years 8 months ago
Using 3-Dimensional Meshes To Combine Image-Based and Geometry-Based Constraints
A uni ed framework for 3 D shape reconstruction allows us to combine image-based and geometry-based information sources. The image information is akin to stereo and shape-fromshad...
Pascal Fua, Yvan G. Leclerc