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Wireless Sensor Networks (WSNs) have undergone tremendous technological advances over the last few years, and a broad range of ubiquitous computing applications have been enabled in the area of distributed sensing and control areas. To fully achieve the potentials of WSNs, designing a reliable and secure routing mechanism becomes critical. The intent of this work is to incorporate theories of trust...
In this paper we present an efficient trust-aware in-network aggregation approach for resilient wireless sensor networks. The work is motivated from the well studied reputation and trust relations in the field of social sciences. In our approach, the trust evaluation mechanism is applied to identify trustworthiness of sensor nodes, distinguish illegal/misbehaving nodes, and filter out bogus data in...
Existing commercial database security products cannot guarantee to provide the same level database security in Mobile Ad-Hoc Networks (MANET) as in wired networks. In this paper, we presented a secure MANET database system that uses metadata and context information for database access control. First, we designed and implemented a context-based security model that uses context factors, such as location...
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