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CPHYSICS
2006
204views more  CPHYSICS 2006»
13 years 10 months ago
Genetically controlled random search: a global optimization method for continuous multidimensional functions
A new stochastic method for locating the global minimum of a multidimensional function inside a rectangular hyperbox is presented. A sampling technique is employed that makes use ...
Ioannis G. Tsoulos, Isaac E. Lagaris
CSDA
2008
86views more  CSDA 2008»
13 years 10 months ago
Transformations for semi-continuous data
Semi-continuous data arise in many applications where naturally-continuous data become contaminated by the data generating mechanism. The resulting data contain several values tha...
Galit Shmueli, Wolfgang Jank, Valerie Hyde
TSMC
2008
189views more  TSMC 2008»
13 years 9 months ago
Automatic Clustering Using an Improved Differential Evolution Algorithm
Differential evolution (DE) has emerged as one of the fast, robust, and efficient global search heuristics of current interest. This paper describes an application of DE to the aut...
Swagatam Das, Ajith Abraham, Amit Konar
GIS
2008
ACM
14 years 11 months ago
Monitoring continuous queries over streaming locations
We report on our experience from design and implementation of a powerful map application for managing, querying and visualizing evolving locations of moving objects. Instead of bu...
Kostas Patroumpas, Evi Kefallinou, Timos K. Sellis
STOC
2010
ACM
618views Algorithms» more  STOC 2010»
14 years 7 months ago
Differential Privacy Under Continual Observation
We ask the question ? how can websites and data aggregators continually release updated statistics, and meanwhile preserve each individual user's privacy? We propose a differ...
Cynthia Dwork, Moni Naor, Toniann Pitassi and Guy ...