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TWC
2008
147views more  TWC 2008»
13 years 7 months ago
On antijamming in general CDMA systems-part I: multiuser capacity analysis
Abstract--The capacity of a general multiuser CDMA jamming channel is analyzed when the receiver has or lacks jammer state information. Analyses are carried out for noncooperative ...
Reza Nikjah, Norman C. Beaulieu
IR
2010
13 years 6 months ago
Adapting boosting for information retrieval measures
Abstract We present a new ranking algorithm that combines the strengths of two previous methods: boosted tree classification, and LambdaRank, which has been shown to be empiricall...
Qiang Wu, Christopher J. C. Burges, Krysta Marie S...
EWC
2011
52views more  EWC 2011»
13 years 2 months ago
Localized coarsening of conforming all-hexahedral meshes
Abstract. Finite element mesh adaptation methods can be used to improve the efficiency and accuracy of solutions to computational modeling problems. In many applications involving ...
Adam C. Woodbury, Jason F. Shepherd, Matthew L. St...
TWC
2010
13 years 2 months ago
On the Efficacy of Frequency Hopping in Coping with Jamming Attacks in 802.11 Networks
Abstract--Frequency hopping (FH) has been the most popularly considered approach for alleviating the effects of jamming attacks. We re-examine, the efficacy of FH based on both exp...
Konstantinos Pelechrinis, Christos Koufogiannakis,...
SEMWEB
2009
Springer
14 years 2 months ago
A Database Backend for OWL
Abstract. Most Semantic Web applications are build on top of technology based on the Semantic Web layer cake and the W3C ontology languages RDF(S) and OWL. However RDF(S) embodies ...
Jörg Henss, Joachim Kleb, Stephan Grimm