Sciweavers

4843 search results - page 848 / 969
» The Shortcut Problem - Complexity and Approximation
Sort
View
DIM
2008
ACM
15 years 4 months ago
Quantifying the security of preference-based authentication
We describe a technique aimed at addressing longstanding problems for password reset: security and cost. In our approach, users are authenticated using their preferences. Experime...
Markus Jakobsson, Liu Yang, Susanne Wetzel
ECRTS
2008
IEEE
15 years 4 months ago
Dynamic Reconfiguration for Adaptive Multiversion Real-Time Systems
Modern real-time systems must be designed to be highly adaptable, reacting to aperiodic events in a predictable manner and exhibiting graceful degradation in overload scenarios wh...
George Lima, Eduardo Camponogara, Ana Carolina Sok...
ICC
2007
IEEE
186views Communications» more  ICC 2007»
15 years 4 months ago
On Channel Coding Selection in Time-Slotted ALOHA Packetized Multiple-Access Systems Over Rayleigh Fading Channels
— In this paper, we consider the time-slotted ALOHA packetized multiple-access system where the transmission channels obey i.i.d (independent identically distributed) Rayleigh fa...
Chen Wei, Pingyi Fan, Khaled Ben Letaief
ESWS
2008
Springer
15 years 4 months ago
Enriching an Ontology with Multilingual Information
Organizations working in a multilingual environment demand multilingual ontologies. To solve this problem we propose LabelTranslator, a system that automatically localizes ontologi...
Mauricio Espinoza, Asunción Gómez-P&...
ICDIM
2007
IEEE
15 years 4 months ago
Predicting durability in DHTs using Markov chains
We consider the problem of data durability in lowbandwidth large-scale distributed storage systems. Given the limited bandwidth between replicas, these systems suffer from long re...
Fabio Picconi, Bruno Baynat, Pierre Sens