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» Using topology for spatial reasoning
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GEOINFO
2004
14 years 11 months ago
Approximate Spatial Query Processing using Raster Signatures
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
Leonardo Guerreiro Azevedo, Rodrigo Salvador Monte...
SIGMOD
2010
ACM
323views Database» more  SIGMOD 2010»
15 years 2 months ago
Boosting spatial pruning: on optimal pruning of MBRs
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
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...
ICIP
2009
IEEE
14 years 7 months ago
Computational primitives of visual perception
Great stride has been made in psychological research about primitives of visual perception, which is important to computer vision and image processing. In this paper, we propose a...
Yongzhen Huang, Kaiqi Huang, Tieniu Tan
GEOINFO
2003
14 years 11 months ago
Modelling Spatial Relations by Generalized Proximity Matrices
One of the main challenges for the development of spatial information theory is the formalization of the concepts of space and spatial relations. Currently, most spatial data struc...
Ana Paula Dutra de Aguiar, Gilberto Câmara, ...