This paper proposes a novel approach that draws upon the existing architecture and contractual relationships and compares the approach to the main existing techniques for securing BGP against prefix hijacking. We define prefix hijacking as usurping control of IP prefixes through the manipulation of BGP routing tables resulting in a redirection of network traffic away from a correct route to a p...

quad rotor is a renowned underactuated unmanned aerial vehicle (uav) with widespread military and civilian applications. despite its simple structure, the vehicle suffers from inherent instability. therefore, control designers always face formidable challenge in stabilization and control goal. in this paper fuzzy membership functions of the quad rotor’s fuzzy controllers are optimized using nat...

despite the often false impression that the analytic philosophy as an anti-metaphysical movement has nothing to do with metaphysics, there can be found good reasons to grant the metaphysical dispositions of analytic philosophers, and thereby, to minimize the anti-metaphysical nature of analytic philosophy in its all phases. since analytic philosophy is a historical movement the main nature of w...

Electronic institutions are software frameworks integrating normative environments where agents interact to create mutual commitments. Contracts are formalizations of business commitments among groups of agents, and comprise a set of applicable norms. An electronic institution acts as a trusted third-party that monitors contract compliance, by integrating in its normative environment the contra...

A red cell metabolic abnormality, which diminishes the maximum activity of the pentose phosphate shunt, occurs in some uremic patients, even those adequately dialyzed with fluids prepared from distilled or charcoal-filtered water. Within individual patients the severity of this abnormality does not change even after 9 mo of consecutive hemodialyses. However, between patients it does correlate i...