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WWW
2006
ACM
16 years 4 months ago
A decentralized CF approach based on cooperative agents
In this paper, we propose a decentralized collaborative filtering (CF) approach based on P2P overlay network for the autonomous agents' environment. Experiments show that our...
Byeong Man Kim, Qing Li, Adele E. Howe
CIKM
2009
Springer
15 years 10 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
GECCO
2009
Springer
112views Optimization» more  GECCO 2009»
15 years 10 months ago
Approximating geometric crossover in semantic space
We propose a crossover operator that works with genetic programming trees and is approximately geometric crossover in the semantic space. By defining semantic as program’s eval...
Krzysztof Krawiec, Pawel Lichocki
SIGIR
2005
ACM
15 years 9 months ago
Publish/subscribe functionality in IR environments using structured overlay networks
We study the problem of offering publish/subscribe functionality on top of structured overlay networks using data models and languages from IR. We show how to achieve this by ext...
Christos Tryfonopoulos, Stratos Idreos, Manolis Ko...
140
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ATAL
2005
Springer
15 years 9 months ago
Multiagent planning through plan repair
We present a novel approach to multiagent planning for self-interested agents. The main idea behind our approach is that multiagent planning systems should be built upon (single-a...
Roman van der Krogt, Nico Roos, Mathijs de Weerdt,...