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SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
16 years 5 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
CSO
2009
IEEE
15 years 6 months ago
The Temporal-Spatial Modeling of Vocabulary for Language Monitoring
In order to extract catchwords, new words and other kinds of words for language monitoring, this paper propose the temporal-spatial modeling, which seemed the sort of words as the...
Wei He, Yu Zou, Yonglin Teng, Min Hou, Weibin Zhu
GISCIENCE
2010
Springer
171views GIS» more  GISCIENCE 2010»
15 years 6 months ago
A Visibility and Spatial Constraint-Based Approach for Geopositioning
Over the past decade, automated systems dedicated to geopositioning have been the object of considerable development. Despite the success of these systems for many applications, th...
Jean-Marie Le Yaouanc, Eric Saux, Christophe Clara...
ICDCS
2007
IEEE
15 years 12 months ago
Stabilizing Peer-to-Peer Spatial Filters
In this paper, we propose and prove correct a distributed stabilizing implementation of an overlay, called DR-tree, optimized for efficient selective dissemination of information...
Silvia Bianchi, Ajoy Kumar Datta, Pascal Felber, M...
PAMI
2008
121views more  PAMI 2008»
15 years 5 months ago
Theoretical Foundations of Spatially-Variant Mathematical Morphology Part II: Gray-Level Images
In this paper, we develop a spatially-variant (SV) mathematical morphology theory for gray-level signals and images in the euclidean space. The proposed theory preserves the geomet...
Nidhal Bouaynaya, Dan Schonfeld