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JMLR
2010
150views more  JMLR 2010»
13 years 3 months ago
Approximate parameter inference in a stochastic reaction-diffusion model
We present an approximate inference approach to parameter estimation in a spatio-temporal stochastic process of the reaction-diffusion type. The continuous space limit of an infer...
Andreas Ruttor, Manfred Opper
GIS
2005
ACM
14 years 9 months ago
Spatial queries in sensor networks
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
Amir Soheili, Vana Kalogeraki, Dimitrios Gunopulos
SIGMOD
2006
ACM
162views Database» more  SIGMOD 2006»
14 years 8 months ago
Efficient query processing in geographic web search engines
Geographic web search engines allow users to constrain and order search results in an intuitive manner by focusing a query on a particular geographic region. Geographic search tec...
Yen-Yu Chen, Torsten Suel, Alexander Markowetz
ICDE
2008
IEEE
139views Database» more  ICDE 2008»
14 years 9 months ago
Simultaneous Equation Systems for Query Processing on Continuous-Time Data Streams
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
Jennie Rogers, Olga Papaemmanouil, Ugur Çet...
CVPR
2009
IEEE
1216views Computer Vision» more  CVPR 2009»
15 years 3 months ago
Marked Point Processes for Crowd Counting
A Bayesian marked point process (MPP) model is developed to detect and count people in crowded scenes. The model couples a spatial stochastic process governing number and placem...
Robert T. Collins, Weina Ge