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PPSN
2000
Springer
13 years 11 months ago
Optimizing through Co-evolutionary Avalanches
Abstract. We explore a new general-purpose heuristic for nding highquality solutions to hard optimization problems. The method, called extremal optimization, is inspired by self-or...
Stefan Boettcher, Allon G. Percus, Michelangelo Gr...
EDBT
2009
ACM
207views Database» more  EDBT 2009»
13 years 10 months ago
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
Reynold Cheng, Lei Chen 0002, Jinchuan Chen, Xike ...
MOBISYS
2010
ACM
13 years 9 months ago
Growing an organic indoor location system
Most current methods for 802.11-based indoor localization depend on surveys conducted by experts or skilled technicians. Some recent systems have incorporated surveying by users. ...
Jun-geun Park, Ben Charrow, Dorothy Curtis, Jonath...
AAAI
2008
13 years 9 months ago
Text Categorization with Knowledge Transfer from Heterogeneous Data Sources
Multi-category classification of short dialogues is a common task performed by humans. When assigning a question to an expert, a customer service operator tries to classify the cu...
Rakesh Gupta, Lev-Arie Ratinov
NSDI
2008
13 years 9 months ago
UsenetDHT: A Low-Overhead Design for Usenet
Usenet is a popular distributed messaging and file sharing service: servers in Usenet flood articles over an overlay network to fully replicate articles across all servers. Howeve...
Emil Sit, Robert Morris, M. Frans Kaashoek