Sciweavers

2043 search results - page 64 / 409
» The Limits of Querying Ontologies
Sort
View
CBMS
2009
IEEE
14 years 3 months ago
Ontology driven data integration for autism research
Autism Spectrum Disorder is an inherently complex phenomenon requiring large studies of many different types to further understanding of its causes. The National Database for Auti...
Lynn Young, Samson W. Tu, Lakshika Tennakoon, Davi...
SEMCO
2007
IEEE
14 years 3 months ago
Semantic annotation and retrieval of video events using multimedia ontologies
Effective usage of multimedia digital libraries has to deal with the problem of building efficient content annotation and retrieval tools. In this paper Multimedia Ontologies, th...
Andrew D. Bagdanov, Marco Bertini, Alberto Del Bim...
FOIS
2010
13 years 10 months ago
Ontologies for Distributed Command and Control Messaging
This paper presents the development of a set of ontologies for use in messaging systems within military and emergency first responder command and control applications. These ontolo...
Duc N. Nguyen, Joseph B. Kopena, Boon Thau Loo, Wi...
ICML
2008
IEEE
14 years 9 months ago
Reinforcement learning with limited reinforcement: using Bayes risk for active learning in POMDPs
Partially Observable Markov Decision Processes (POMDPs) have succeeded in planning domains that require balancing actions that increase an agent's knowledge and actions that ...
Finale Doshi, Joelle Pineau, Nicholas Roy
APPROX
2008
Springer
88views Algorithms» more  APPROX 2008»
13 years 10 months ago
Limitations of Hardness vs. Randomness under Uniform Reductions
We consider (uniform) reductions from computing a function f to the task of distinguishing the output of some pseudorandom generator G from uniform. Impagliazzo and Wigderson [IW]...
Dan Gutfreund, Salil P. Vadhan