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152
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ISCC
2008
IEEE
16 years 1 months ago
2008
IEEE
— This paper analyzes a trust model for mobile ad hoc networks. We provide nodes with a mechanism to build a trust relationship with its neighbors. The proposed model considers t...
191
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ANSS
2007
IEEE
16 years 1 months ago
2007
IEEE
— Delay tolerant networks (DTNs) are a class of networks that experience frequent and long-duration partitions due to sparse distribution of nodes. The topological impairments ex...
175
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DATE
2007
IEEE
16 years 1 months ago
2007
IEEE
This paper focuses on inductive invariants in unbounded model checking to improve efficiency and scalability. First of all, it introduces optimized techniques to speedup the comp...
176
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ICASSP
2007
IEEE
16 years 1 months ago
2007
IEEE
Query by example of multimedia signals aims at automatic retrieval of media samples from a database, which are similar to a userprovided example. This paper proposes a method for ...
158
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CLEF
2007
Springer
16 years 1 months ago
2007
Springer
We present two simple but effective smoothing techniqes for the standard language model (LM) approach to information retrieval [12]. First, we extend the unigram Dirichlet smoothi...