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GIS
2005
ACM
14 years 10 months ago
Two ellipse-based pruning methods for group nearest neighbor queries
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
Hongga Li, Hua Lu, Bo Huang, Zhiyong Huang
DAC
2008
ACM
14 years 10 months ago
Control theory-based DVS for interactive 3D games
We propose a control theory-based dynamic voltage scaling (DVS) algorithm for interactive 3D game applications running on batterypowered portable devices. Using this scheme, we pe...
Yan Gu, Samarjit Chakraborty
GIS
2009
ACM
14 years 4 months ago
Topological relations from metric refinements
Naive Geography’s premise “Topology matters, metric refines” calls for metric properties that provide opportunities for finergrained distinctions than the purely qualitative...
Max J. Egenhofer, Matthew P. Dube
DASFAA
2007
IEEE
143views Database» more  DASFAA 2007»
14 years 3 months ago
Using Redundant Bit Vectors for Near-Duplicate Image Detection
Images are amongst the most widely proliferated form of digital information due to affordable imaging technologies and the Web. In such an environment, the use of digital watermar...
Jun Jie Foo, Ranjan Sinha
EEE
2004
IEEE
14 years 29 days ago
An Encoding Scheme for Indexing XML Data
E-Services are becoming as promising technology for the effective automation of application integration across Web. They build upon XML, as data format for exchanging messages bet...
Wansong Zhang, Daxin Liu, Jian Li