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IS
2002
15 years 4 months ago
Pushing extrema aggregates to optimize logic queries
In this paper, we explore the possibility of transforming queries with minimum and maximum predicates into equivalent queries that can be computed more efficiently. The main contr...
Filippo Furfaro, Sergio Greco, Sumit Ganguly, Carl...
IVC
2002
97views more  IVC 2002»
15 years 4 months ago
A neural approach to zoom-lens camera calibration from data with outliers
Camera systems with zoom lenses are inherently more useful than those with passive lenses due to their flexibility and controllability. However, their calibration raises several c...
Moumen T. Ahmed, Aly A. Farag
IVC
2002
185views more  IVC 2002»
15 years 4 months ago
Path detection in video surveillance
This paper addresses the problem of automatically extracting frequently used pedestrian pathways from video sequences of natural outdoor scenes. Path models are learnt from the ac...
Dimitrios Makris, Tim Ellis
IWC
2002
207views more  IWC 2002»
15 years 4 months ago
Developing adaptable user interfaces for component-based systems
Software components are becoming increasingly popular design and implementation technologies that can be plugged and played to provide user-enhanceable software. However, developi...
John C. Grundy, John G. Hosking
JAIR
2002
182views more  JAIR 2002»
15 years 4 months ago
An Analysis of Phase Transition in NK Landscapes
In this paper, we analyze the decision version of the NK landscape model from the perspective of threshold phenomena and phase transitions under two random distributions, the unif...
Yong Gao, Joseph C. Culberson