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CIKM
2009
Springer
16 years 1 months ago
Pure spreading activation is pointless
Almost every application of spreading activation is accompanied by its own set of often heuristic restrictions on the dynamics. We show that in constraint-free scenarios spreading...
Michael R. Berthold, Ulrik Brandes, Tobias Kö...
HT
2006
ACM
16 years 16 days ago
Harvesting social knowledge from folksonomies
Collaborative tagging systems, or folksonomies, have the potential of becoming technological infrastructure to support knowledge management activities in an organization or a soci...
Harris Wu, Mohammad Zubair, Kurt Maly
TMRA
2005
Springer
16 years 1 days ago
Real-Time Generation of Topic Maps from Speech Streams
Topic Maps are means for representing sophisticated, conceptual indexes of any information collection for the purpose of semantic information integration. To properly fulfil this p...
Karsten Böhm, Lutz Maicher
SIGIR
2004
ACM
15 years 12 months ago
Cluster-based retrieval using language models
Previous research on cluster-based retrieval has been inconclusive as to whether it does bring improved retrieval effectiveness over document-based retrieval. Recent developments ...
Xiaoyong Liu, W. Bruce Croft
IAT
2003
IEEE
15 years 12 months ago
Asymmetric Multiagent Reinforcement Learning
A gradient-based method for both symmetric and asymmetric multiagent reinforcement learning is introduced in this paper. Symmetric multiagent reinforcement learning addresses the ...
Ville Könönen