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In this work, we apply the probabilistic multihypothesis tracker (PMHT) for the problem of underwater bearing-only multisensor–multitarget tracking in clutter. The PMHT is a batch tracking algorithm that can efficiently process a large number of measurements from multiple sensors. We investigate both the extended Kalman filter (EKF) and the unscented Kalman filter (UKF) for dealing with the high degree...
The caching has been developed for shortest path queries. At present, existing methods for the shortest path caching include the dynamic cache method Least-Recently-Used (LRU), the static cache method Highest-Query-Frequency (HQF), as well as a recently proposed method Shortest "Path" Cache (SPC). It is commonly known that LRU and HQF are not efficient enough for the shortest path caching...
An important challenge regarding peer's trust valuation in peer-to-peer (P2P) networks is how to cope with such problems as dishonest feedbacks from malicious peers, collusions and complex strategic frauds, which cannot be effectively tackled by the existing solutions. Thus, a reputation-based distributed trust management model for P2P networks, named RATM for short, is proposed to quantify and evaluate...
An important challenge regarding peer's trust valuation in peer-to-peer (P2P) networks is how to cope with such problems as dishonest feedbacks of malicious peers and attacks from strategic malicious peers, which cannot be effectively tackled by the existing solutions. So a feedback confidence (FC)-based distributed trust management model for P2P networks, named FCTM for short, is proposed to quantify...
The open, sharing and anonymous nature of peer-to-peer (P2P) network has offered opportunities and threats for the development of distributed computing technology. One feasible way to minimize threats is to establish the reputation-based global trust model. Previous work about the global trust model is almost based on the assumption that the peer with higher trust value will provide more honest feedbacks,...
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