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In this paper we describe a behavioral state classifier employing a three-factor node reliability measure based upon inferred Ability, Integrity, and Benevolence (AIB) to assess node reliability. In contrast to typical scalar measures, this multi-metric index creates a reliability space that is more descriptive and in which distinctions can be drawn between node behaviors ranging from small deviations...
We present the M.In.E.R.Va. project, an online tool to help students (both attending Secondary Schools and Universities) recovering their deficiencies in Mathematics. We also present an analysis of the answers given by the students, performed using the Rasch model, which allows to investigate both students' results and the validity of the items.
Since embedded systems design involves stringent design constraints, designing a system for reliability requires optimization under tolerable overhead constraints. This paper presents a novel reliability-driven compilation scheme for software program reliability optimization under tolerable overhead constraints. Our scheme exploits program-level error masking and propagation properties to perform...
A Transient Stability Analysis & Control (TSA&C) system has been developed and installed at PJM Interconnection several years ago, to perform on-line Dynamic Security Assessment (DSA) for the PJM power system. TSA&C was successfully applied to investigate an event that took place recently in the PJM system. This paper presents this application example to illustrate value and benefit of...
The modeling and dependability analysis of virtualization system is always challenging due to the particular characteristic and mechanism of virtualization, in this paper we attempt to modeling virtual clusters using a hierarchical method combining a upper-layer Reliability Block Diagram (RBD) model and a lower-layer Markov model. Taking into account both the failure of physical servers and the virtual...
Bayesian network can represent probabilistic information flexibly, and to make inference on it . With the time sequential simulation Technique, the Bayesian topological structure and the Bayesian bidirectional inference method used in the distribution systems for the reliability assessment, the influence of each element or several elements to the reliability of the whole system can be gained conveniently,...
This paper deals with our investigations into improving the performance of orthogonal frequency division multiple access (OFDMA) system with low computational complexity. In the proposed scheme, by taking attribute of a user channel like channel capacity decrease rate, subcarriers are allocated depending on the individual users' priority. This scheme is high reliable technique by ordering the capacity...
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