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Big Data analytics for privacy through nd-homomorphic encryption

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Journal of Control and Decision 2023年第1期10卷 64-71页

作者： s.saravanan N.Poornima Department of CsE SRM Institute of Science and TechnologyChennaiIndia Department of Data science and Business systems School of ComputingSRM Institute of Science and TechnologyKattankulathurIndia

Rapidly rising the quantity of Big Data is an opportunity to flout the privacy of people. Whenhigh processing capacity and massive storage are required for Big Data, distributed networkshave been used. There are several people involved in these activities, the system may contributeto privacy infringements frameworks have been developed for the preservation of privacy atvarious levels (e.g. information age, information the executives and information preparing) asfor the existing pattern of huge information. We plan to frame this paper as a literature surveyof these classifications, including the Privacy Processes in Big Data and the presentation of theAssociate Challenges. Homomorphic encryption is particularised aimed at solitary single actionon the ciphered information. Homomorphic enciphering is restrained to an honest operation onthe encoded data. The reference to encryption project fulfils many accurate trading operationson coded numerical data;therefore, it protects the written in code-sensible information evenmore.

关键词： security and confidentiality vast statistics data encryption nondeterministic fully homomorphic encryption

Combined Linear Multi-Model for Reliable Route Recommender in Next generation Network

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Intelligent Automation & soft Computing 2023年第4期36卷 39-56页

作者： s.Kalavathi R.Nedunchelian Department of Information Technology Sri Venkateswara College of EngineeringSriperumbudurChennai602117India Department of Computer science&Engineering Excel Engineering CollegeKomarapalayamNamakkal638183India

Network analysis is a promisingﬁeld in the area of network applications as different types of trafﬁc grow enormously and *** route prediction is a challenging task in the Large scale Networks(LsN).Various non-self-learning and self-learning approaches have been adopted to predict reliable *** protocols decide how to s.nd.all the packets from source to the destination addresses across the network through their *** the current era,dynamic protocols are preferred as they network self-learning internally using an algorithm and may not entail being updated physically more than the static protocols.A novel method named Reliable Route Prediction Model(RRPM)is proposed toﬁnd the best routes in the given hefty gage network to balance the load of the entire network to advance the network *** task is carried out in two *** theﬁrst phase,Network Embedding(NE)based node classiﬁcation is carried *** second phase involves the network analysis to predict the route of the *** experiment is carried out for average data transmission and rerouting time is measured between RRPM and Routing Information Protocol(RIP)protocol models with before and after failure *** was observed that average transmission time for RIP protocol has measured as 18.5 ms and RRPM protocol has measured as 18.2 *** the proposed RRPM model outperforms well than the traditional routeﬁnding protocols such as RIP and Open shortest Path First(OsPF).

关键词： Network embedding node classiﬁcation link prediction routing protocols novel RRPM

generating of Test Data by Harmony search Against genetic Algorithms

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Intelligent Automation & soft Computing 2023年第4期36卷 647-665页

作者： Ahmed s.ghiduk Abdullah Alharbi Department of Information Technology College of Computers and Information TechnologyTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Mathematics and Computer science Faculty of ScienceBeni-Suef UniversityBeni-Suef62521Egypt

Many search-based algorithms have been successfully applied in sev-eral software engineering *** algorithms(gAs)are the most used in the scientiﬁc domains by scholars to solve software testing *** imi-tate the theory of natural selection and *** harmony search algorithm(HsA)is one of the most recent search algorithms in the last *** imitates the behavior of a musician toﬁnd the best *** have estimated the simi-larities and the differences between genetic algorithms and the harmony search algorithm in diverse research *** test data generation process represents a critical task in software ***,there is no work comparing the performance of genetic algorithms and the harmony search algorithm in the test data generation *** paper studies the similarities and the differences between genetic algorithms and the harmony search algorithm based on the ability and speed ofﬁnding the required test *** current research performs an empirical comparison of the HsA and the gAs,and then the signiﬁcance of the results is estimated using the *** study investigates the efﬁciency of the harmony search algorithm and the genetic algorithms according to(1)the time performance,(2)the signiﬁcance of the generated test data,and(3)the adequacy of the generated test data to satisfy a given testing *** results showed that the harmony search algorithm is signiﬁcantly faster than the genetic algo-rithms because the t-Test showed that the p-value of the time values is 0.026s the signiﬁcance level=0.05 at 95%conﬁdence level).In contrast,there is no signiﬁcant difference between the two algorithms in generating the adequate test data because the t-Test showed that the p-value of theﬁtness values is 0.25>α.

关键词： Harmony search algorithm genetic algorithms test data generation

Passivation kinetics of Mg-nd-gd-Zn-Zr(EV31A)and Mg-Y-nd-gd-Zr(WE43C)in NaOH solutions

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Journal of Magnesium and Alloys 2017年第3期5卷 254-270页

作者： Jakraphan Ninlachart Krishnan s.Raja Chemical and Materials Engineering University of IdahoMoscowID 83844-1021USA

Passivation kinetics of two Mg-RE alloys,such as Mg-nd-gd-Zn-Zr(EV31A),and Mg-Y-nd-gd-Zr(WE43C)were investigated in two different heat treated conditions(solution treated and overaged)in 0.01-1.0 M NaOH solutions under potentiostatic *** reaction order was observed in dilute NaOH which transitioned to positive values as the passivation time increased and in the 1 M NaOH as *** passive layers showed platelet morphology and the size of the platelets decreased with increase in the NaOH *** hydrogen evolution reaction(HER)kinetics was not improved on the passive layer covered surface of the Mg-RE alloys in contrast to the improvements reported on the hydroxide covered pure *** electrochemical impedance increased with increase in the NaOH concentration in the solution treated condition of both Mg-RE alloys,whereas the overaged EV31A alloy showed a reverse *** passive layer of EV31A showed almost 100%higher charge carrier density than the film formed on the WE43C in the overaged condition.A better passivation behavior was observed in the solution treated condition than that in the overaged condition which could be attributed to the uniform distribution of the RE elements in the solution treated *** WE43C alloy revealed better corrosion resistance in the alkaline solution than the EV31A alloy.

关键词： Magnesium rare earth alloy Passivation Alkaline solution Hydrogen evolution

Improvements in the microstructure and fatigue behavior of pure copper using equal channel angular extrusion

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International Journal of Minerals,Metallurgy and Materials 2014年第6期21卷 569-576页

作者： J.Nemati g.H.Majzoobi s.sulaiman B.T.H.T.Baharudin M.A.Azmah Hanim Department of Mechanical and Manufacturing Engineering Universiti Putra Malaysia school of Mechanics Islamic Azad UniversityTakestan Branch348194 9479 Takestan Iran

In this study, annealed pure copper was extruded using equal channel angular extrusion （ECAE） for a maximum of eight passes. The fatigue resistance of extruded specimens was evaluated for different passes and applied stresses using fatigue tests, fractography, and metallography. The mechanical properties of the extruded material were obtained at a tensile test velocity of 0.5 mm/min. It was found that the maximum increase in strength occurred after the 2nd pass. The total increase in ultimate strength after eight passes was 94%. The results of fatigue tests indicated that a significant improvement in fatigue life occurred after the 2nd pass. In subsequent passes, the fatigue life con-tinued to improve but at a considerably lower rate. The improved fatigue life was dependent on the number of passes and applied stresses. For low stresses （or high-cycle fatigue）, a maximum increase in fatigue resistance of approximately 500%was observed for the extruded material after eight passes, whereas a maximum fatigue resistance of 5000%was obtained for high-applied stresses （or low-cycle fatigue）. Optical microscopic examinations revealed grain refinements in the range of 32 to 4 μm. A maximum increase in impact energy absorption of 100%was achieved after eight passes. Consistent results were obtained from fractography and metallography examinations of the ex-truded material during fatigue tests.

关键词： copper equal channel angular extrusion fatigue of materials grain size grain refinement fracture toughness

Fabrication of ultrafine nd-Fe-B powder by a modified reduction-diffusion process

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Rare Metals 2006年第z2期25卷 223-226页

作者： JANg T.s. LEE D.H. CHOI C.J. sEO W.s. LEE Y.H. Department of Electronic Materials Engineering Sunmoon University Korea Powder Materials Research Center Korea Institute of Machinery and Materials Korea Advanced Materials Analysis & Evaluation Center Korea Institute of Ceramic Engineering and Technology Korea

In order to obtain ultrafine nd-Fe-B powder, a spray-dried precursor was treated by reduction-diffusion (R/D) process. And, unlike the conventional R/D process, calcium reduction that is a crucial step for the formation of nd2Fe14B was performed without conglomerating the precursor with Ca powder. By adopting this modified process, it is possible to synthesize the hard magnetic nd2Fe14B at the reaction temperature as low as 850 ℃. The average size of nd2Fe14B particles that are uniformly distributed in the optimally treated powder was st nd2Fe14B particles were enclosed with thin layers of nd-rich phase. Typical magnetic properties of such powder without eliminating impurity CaO were iHc=～5.9 kOe, Br=～5.5 kg, and (BH)max=～6 MgOe.

关键词： ndFeB powder spray drying reduction-diffusion process nd2Fe14B magnetic powder

Application of statistical Design of Experiments to Performance Analysis of Charcoal Cooks stoves

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International Journal of Clean Coal and Energy 2018年第3期7卷 39-57页

作者： André ndécky sébastien gamache Fabé I. Barro Issakha Youm Centre d’Etudes et de Recherches sur les Energies Renouvelables (CERER) Dakar Sénégal Laboratoire des semi-Conducteurs et d’Energie solaire (LAsEs) Département de Physique Faculté des Sciences et Techniques Université Cheikh Anta Diop de Dakar Dakar Sénégal

The Design of Experiments (DOE) and the Analysis of Variance (ANOVA) are used to determine the effect of fuel type, fuel initial load, secondary air inlet and ventilation on thermal efficiency and CO emission of two biomass fire cookstoves during boiling or simmering. Analysis of variance with Fischer’s statistical test (F-test) and Newman-Keuls test were applied to establish the influence of the independent parameters on the studied responses. The results of this study are useful to application of charcoal cooks stoves.

关键词： Biomass Combustion Charcoal stove Thermal Efficiency Water Boiling Test Carbon Monoxide Emission ANOVA

Cumulative sum analysis score and phacoemulsification competency learning curve

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International Journal of Ophthalmology(English edition) 2017年第7期10卷 1088-1093页

作者： gustavo Vedana Filipe g.Cardoso Alexandre s.Marcon Licio E.K.Araújo Matheus Zanon Daniella C.Birriel guilherme Watte Albert s.Jun Wilmer Eye Institute Johns Hopkins Medical Institutions Irmandade santa Casa Misericórdia Federal University of Rio grande do sul

AIM： To use the cumulative sum analysis score（CUsUM） to construct objectively the learning curve of phacoemulsification ***： Three second-year residents and an experienced consultant were monitored for a series of 70 phacoemulsification cases each and had their series analysed by CUsUM regarding posterior capsule rupture（PCR） and best-corrected visual acuity. The acceptable rate for PCR was 〈5%（lower limit h） and the unacceptable rate was 〉10%（upper limit h）. The acceptable rate for bestcorrected visual acuity worse than 20/40 was 〈10%（lower limit h） and the unacceptable rate was 〉20%（upper limit h）. The area between lower limit h and upper limit h is called the decision interval. REsULTs： There was no statistically significant difference in the mean age, sex or cataract grades between groups. The first trainee achieved PCR CUsUM competency at his 22 nd case. His best-corrected visual acuity CUsUM was in the decision interval from his third case and stayed there until the end, never reaching competency. The second trainee achieved PCR CUsUM competency at his 39^ th case. He could reach best-corrected visual acuity CUsUM competency at his 22 ^nd case. The third trainee achieved PCR CUsUM competency at his 41 st case. He reached bestcorrected visual acuity CUsUM competency at his 14 ^th ***： The learning curve of competency in phacoemulsification is constructed by CUsUM and in average took 38 cases for each trainee to achieve it.

关键词： phacoemulsification learning curve cumulative sum analysis score posterior capsule rupture best corrected visual acuity cataract surgery

MAgNETIC PROPERTIEs OF HEAT TREATED nd_(3)Fe_(81)B_(16) ALLOY

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Chinese Physics Letters 1989年第5期6卷 221-224页

作者： gU Benxi ZHAI Hongru sHEN Baogen s.Methfessel Department of Physics Nanjing UniversityNanjing Institute of Physics Academia SinicaBeijing Institut fiir Experimentalphysik IV Ruhr-UniversitatBochumWest Germany

The hysteresis loop and Mdssbauer spectrum of the heat treated nd_(3)Fe_(81)B_(16) alloy ribbons annealing at 660℃ for *** been measured.A coercive field of about 2kOe and an energy product of about 8MgOe are obtained at room temperature.X-ray diffraction and Mdssbauer spectrum analyses show that the high coercivity may originate from the Fe_(3)B phase containing *** value of remanence and energy product in this alloy are much higher than those of anisotropic BaFe_(12)O_(19) *** may be used as a cheap permanent magnet.

关键词： temperature alloy