In this paper we analyze the effectiveness of dynamic artificial diversity, i.e., artificial diversity in which the subject of the diversity is re-randomized periodically. We refer to a mechanism that implements dynamic diversity as a Metamorphic Shield since this mechanism applies metamorphosis to the system’s attack surface to try to shield the system from certain attacks. Contrary to intuiti...

Background: The aim of this study was evaluation of developmental rate and Bax, Bcl-2 and ErbB4 genes expression following re-vitrification in compact and early blastocysts stages. Materials and Methods: 5-8 cell embryos were collected from female mature mice, 60-62 hours post hCG injection. The embryos were divided to five groups including: fresh, vitrified at 5-8 cells, vitrified at blastocys...

We describe a software library for dynamic load balancing of finite element codes. The application code has to provide the current distributed mesh and information on the calculation and communication requirements, and receives from the library all necessary information to re-allocate the application data. The library computes a new partitioning, either via direct mesh migration or via parallel...

In this work, we numerically study laminar flows in forced convection a U -shaped channel. Our was based on finite volume method by the fluent code carried out for Reynolds number varying range 100<Re<700, and Rayleigh Ra=105 Prandtl Pr=0.72. As function of number, results obtained are presented form thermal dynamic field, variation Nusselt speed average temperature at outlet channel as R...

A new algorithm for the generation of test sequences to detect dynamic errors due to re ection and crosstalk noise in combinational circuits is presented. Based on the circuit level a new approach for error modeling including the duration of re ection and crosstalk errors, is described. The presented algorithm takes the high in uence of error durations as well as gate and transmission line dela...

The principles of respiratory microbiology are being re-evaluated and re-written, starting with the debunked myth of lung sterility. The “terrain” of the respiratory ecosystem differs— anatomically and physiologically—from that of other mucosal sites, and changes dramatically in illness, when the dynamic homeostasis between host and microbiome is disrupted. Researchers are only just beginning t...

This paper presents a planning method of pushing manipulation by a mobile robot. It is sometimes very useful if the robot can take recovery action, namely, re-approaching and re-pushing, when it turns out to be ineffective to keep current pushing motion. The proposed planning framework is based on the idea of mode switching, where three modes; approaching, pushing and re-pushing, are considered...

Wall heat-flux effects on turbulence statistics and structures in supersonic turbulent boundary layers with the heated cooled wall are investigated. To study of semi-local Reynolds number (Re${}_{\ensuremath{\tau}}^{*}$), we conduct large eddy simulation constant Re${}_{\ensuremath{\tau}}^{*}$ by imposing a dynamic viscosity proportional to square root density comparing flows conventional given...

An efficient and modular numerical prediction model is presented to predict vibrations and re-radiated noise in buildings due to metro trains. The approach comprises of three weakly coupled problems: the dynamic vehicle-track-tunnel-soil interaction problem, the dynamic soil-structure interaction problem and the calculation of the acoustic response inside the rooms. The three-dimensional dynami...

Recently, traditional data mining algorithms are challenged by two problems: streaming data, and changes in the hidden context. These challenges emerged from real-world applications such as network intrusion detection, credit card fraud detection, etc. Online or incremental learning becomes more important than ever for dealing with these problems. This chapter investigates XCS, an evolutionary ...