Sciweavers

2900 search results - page 371 / 580
» On the Convergence of Immune Algorithms
Sort
View
DLT
2008
15 years 7 months ago
Derivation Tree Analysis for Accelerated Fixed-Point Computation
We show that for several classes of idempotent semirings the least fixed-point of a polynomial system of equations X = f(X) is equal to the least fixed-point of a linear system obt...
Javier Esparza, Stefan Kiefer, Michael Luttenberge...
ECIR
2003
Springer
15 years 7 months ago
A Hybrid Relevance-Feedback Approach to Text Retrieval
Abstract. Relevance feedback (RF) has been an effective query modification approach to improving the performance of information retrieval (IR) by interactively asking a user whet...
Zhao Xu, Xiaowei Xu, Kai Yu, Volker Tresp
OPODIS
2004
15 years 7 months ago
Optimal Resilience Asynchronous Approximate Agreement
Consider an asynchronous system where each process begins with an arbitrary real value. Given some fixed > 0, an approximate agreement algorithm must have all non-faulty process...
Ittai Abraham, Yonatan Amit, Danny Dolev
OPODIS
2003
15 years 7 months ago
Linear Time Byzantine Self-Stabilizing Clock Synchronization
Awareness of the need for robustness in distributed systems increases as distributed systems become an integral part of day-to-day systems. Tolerating Byzantine faults and possessi...
Ariel Daliot, Danny Dolev, Hanna Parnas
UAI
2003
15 years 7 months ago
Approximate Inference and Constrained Optimization
Loopy and generalized belief propagation are popular algorithms for approximate inference in Markov random fields and Bayesian networks. Fixed points of these algorithms correspo...
Tom Heskes, Kees Albers, Bert Kappen