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—In this paper, we propose a novel on-demand quality-of-service (QoS) routing protocol, SBR [signal-to-interference (SIR) and bandwidth routing], which explicitly fulfills both SIR and bandwidth requirements from different multimedia users in ad hoc mobile networks. With SBR, bandwidth reservation is made by allocating time slots and SIR reservation is(More)
We propose a hierarchical nonparametric topic model, based on the hierarchical Dirichlet process (HDP), that accounts for dependencies among the data. The HDP mixture models are useful for discovering an unknown semantic structure (i.e., topics) from a set of unstructured data such as a corpus of documents. For simplicity, HDP makes an exchangeability(More)
In the present study, we studied the neuroprotective effects of berberry extract (BE) against ischemic damage and the temporal and spatial alterations of N-methyl-D-aspartate receptor type 1 (NR1) and NR2A/2B immunoreactivities in the gerbil hippocampal CA1 region after transient ischemia to examine anti-ischemic effects and its role in transient forebrain(More)