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Operator placement plays a key role in reducing the aggregate network overhead within a wireless sensor network (WSN) to extend battery life and the longevity of the network. Consequently, optimal algorithms for the operator placement problem (OPP) are of paramount importance to WSN performance. Unfortunately, the OPP becomes NP-complete when capacity constraints on the WSN nodes are taken into account...
With the development of mobile code frameworks for embedded systems, an application can be structured as a set of cooperating components (agents) that are placed on the nodes of the system in a flexible way. Reducing the network traffic caused by the application components is a crucial issue for the increase in the lifetime of wireless embedded systems, since it is widely known that the communication...
The influence of Cu2O and CuO to Pd/C electrocatalytic activities on ethanol electrooxidation in KOH solution was investigated. Pd/C, Pd-Cu2O/C and Pd-CuO/C were synthesized and characterized by powder X-ray diffraction. The electrocatalytic activities were studied by Cyclic Voltammetry. The results show that catalytic activity of Pd/C for ethanol in KOH solution can be improved by Cu2O and CuO. When...
Resource discovery is critical to the usability and accessibility of grid computing systems. Distributed hash table (DHT) has been applied to grid systems as a distributed mechanism for providing scalable range-query and multiattribute resource discovery. Multi-DHT-based approaches depend on multiple DHT networks with each network responsible for a single attribute. Single-DHT-based approaches keep...
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