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Orbit Weig.ting.Scheme in the Context of Vector Space Information Retrieval

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Computers, Materials & Continua 2024年第7期80卷 1347-1379页

作者： Ahmad Ababneh Yousef Sanjalawe salam Fraihat salam Al-E’mari Hamzah Alqudah Department of Computer Science Faculty of Information TechnologyAmerican University of MadabaAmman11821Jordan Department of Cybersecurity Faculty of Information TechnologyAmerican University of MadabaAmman11821Jordan Artificial Intellig.nce Research Center(AIRC) College of Engineering and Information TechnologyAjman UniversityP.O.Box 346Ajman13306United Arab Emirates Information Security Department Faculty of Information TechnologyUniversity of PetraAmman11196Jordan Department of Data Science and Artificial Intellig.nce Faculty of Information TechnologyAmerican University of MadabaAmman11821Jordan

This study introduces the Orbit Weig.ting.Scheme(OWS),a novel approach aimed at enhancing.the precision and efficiency of Vector Space information retrieval(IR)models,which have traditionally relied on weig.ting.schemes like tf-idf and *** conventional methods often strug.le with accurately capturing.document relevance,leading.to inefficiencies in both retrieval performance and index size *** proposes a dynamic weig.ting.mechanism that evaluates the sig.ificance of terms based on their orbital position within the vector space,emphasizing.term relationships and distribution patterns overlooked by existing.*** research focuses on evaluating.OWS’s impact on model accuracy using.Information Retrieval metrics like Recall,Precision,InterpolatedAverag. Precision(IAP),andMeanAverag. Precision(MAP).Additionally,we assessOWS’s effectiveness in reducing.the inverted index size,crucial for model *** compare OWS-based retrieval models ag.inst others using.different schemes,including.tf-idf variations and *** reveal OWS’s superiority,achieving.a 54%Recall and 81%MAP,and a notable 38%reduction in the inverted index *** hig.lig.ts OWS’s potential in optimizing.retrieval processes and underscores the need for further research in this underrepresented area to fully leverag. OWS’s capabilities in information retrieval methodolog.es.

关键词： Information retrieval orbit weig.ting.scheme semantic text analysis Tf-Idf weig.ting.scheme vector space model

Calculation of ship motions in steep waves with restoring.and Froude-Krylov forces on an adaptive panel mesh with g.uss and analytic integ.ation methods

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Journal of Hydrodynamics 2024年第2期36卷 275-289页

作者： Malwin Wermbter Moustafa abdel-Maksoud Institute for Fluid Dynamics and Ship Theory Hamburg University of TechnologyHamburgGermany

The impulse response method is a frequently used method to calculate ship seakeeping.*** this paper,the restoring.and Froude-Krylov calculation is conducted with constant evaluation of panel pressures as well as g.uss quadrature and an analytical *** applied panel g.id is coarsened by an adaptive alg.rithm which is based on a normal vector *** comparison of methods is based on g.id converg.nce studies which are followed by a verification of forces with computational fluid dynamics(CFD)results on the fixed duisburg.test case in *** with experimental results in head,oblique and following.waves show that all integ.ation methods are *** exact integ.ation is numerically sensitive in some *** quadrature is hig.ly accurate;however,the additional effort is not beneficial since the g.ometrical accuracy has-strong.r influence on the force amplitudes than the integ.ation *** g.id coarsening.reduces the simulation time and is accurate up to a level,where the panel leng.h comes close the *** added resistance at the investig.ted Froude number of 0.05 shows hig.er uncertainty levels,this applies to the results of both the numerical methods and model tests.

关键词： Ship hydrodynamics seakeeping impulse response method added resistance wave loads

Entrepreneurship training.its influences on innovation potentials among.nursing.students

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Frontiers of Nursing 2024年第1期11卷 85-98页

作者： Asmaa abdel Rahman abdel Rahman Dalia Abdallah abdelatief Medical Surg.cal Nursing.Department Faculty of NursingAin Shams UniversityCairoEgypt

Objective:To evaluate the influences of entrepreneurship training.on the innovation potential among.nursing.***:A quasi-experimental desig. was utilized to conduct this *** study was conducted in the classroom at the faculty of nursing.and the“i Hub”center at Ain Shams University(ASU)in Cairo,Eg.pt.A purposive sample of 42 nursing.students who participated in the“Ain Shams University-innovate”competition from the Faculty of Nursing.of ASU were included in this *** collection tools included(1)Nursing.students'innovation skills assessment questionnaire and(2)Innovative projects evaluation ***:There was a statistically sig.ificant difference between the mean scores of nursing.students'total innovation skills pre-and post-implementation of entrepreneurship training.where P-valueg.positively affects nursing.students'innovation *** entrepreneurship education in nursing.and integ.ating.it into nursing.prog.ams will stimulate creativity,innovation,and entrepreneurship among.nursing.students and health care services.

关键词： entrepreneurship training innovation potentials nursing.students creative skills energ./motivation

Novel desig. of a compact tunable dual band wireless power transfer(TDB-WPT)system for multiple WPT applications

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Frontiers of Information Technolog. & Electronic Eng.neering 2024年第4期25卷 616-628页

作者： Hany A.ATALLAH Rasha Hussein AHMED Adel B.abdel-RAHMAN Department of Communications and Electronics Faculty of EngineeringSouth Valley UniversityQena 83523Egypt Eg.pt-Japan University of Science and Technolog. Alexandria 21934Egypt

In this study we present the desig. and realization of a tunable dual band wireless power transfer(TDB-WPT)coupled resonator *** frequency response of the tunable band can be controlled using.a surface-mounted *** transmitter(Tx)and the receiver(Rx)circuits are *** top layer contains a feed line with an impedance of 50Ω.Two identical half ring. defected g.ound structures(HR-Dg.s)are loaded on the bottom using.a varactor *** propose a solution for restricted WPT systems working.at a sing.e band application according.to the operating.*** effects of g.ometry,orientation,relative distance,and misalig.ments on the coupling.coefficients were *** validate the simulation results,the proposed TDB-WPT system was fabricated and *** system occupied a space of 40 mm×40 *** can deliver power to the receiver with an averag. coupling.efficiency of 98%at the tuned band from 817 to 1018 MHz and an efficiency of 95%at a fixed band of 1.6 g.z at a sig.ificant transmission distance of 22 *** results of the measurements accorded well with those of an equivalent model and the simulation.

关键词： Defected g.ound structure(Dg.) Surface-mounted Tunable dual band wireless power transfer(TDB-WPT) Varactor

Cloud Datacenter Selection Using.Service Broker Policies:A Survey

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Computer Modeling.in Eng.neering.& Sciences 2024年第4期139卷 1-41页

作者： salam Al-E’mari Yousef Sanjalawe Ahmad Al-Daraiseh Mohammad Bany Taha Mohammad Aladaileh Department of Information Security Faculty of ITUniversity of PetraAmman11196Jordan Department of Cybersecurity School of ITAmerican University of Madaba(AUM)Amman11821Jordan Department of Computer Science School of ITAmerican University of Madaba(AUM)Amman11821Jordan Department of Data Science and Artificial Intellig.nce School of ITAmerican University of Madaba(AUM)Amman11821Jordan

Amid the landscape of Cloud Computing.CC),the Cloud Datacenter(DC)stands as a cong.omerate of physical servers,whose performance can be hindered by bottlenecks within the realm of proliferating.CC services.A linchpin in CC’s performance,the Cloud Service Broker(CSB),orchestrates DC *** to adroitly route user requests with suitable DCs transforms the CSB into a bottleneck,endang.ring.service *** tackle this,deploying.an efficient CSB policy becomes imperative,optimizing.DC selection to meet string.nt Qualityof-Service(QoS)*** numerous CSB policies,their implementation g.apples with challeng.s like costs and *** article undertakes a holistic review of diverse CSB policies,concurrently surveying.the predicaments confronted by current *** foremost objective is to pinpoint research g.ps and remedies to invig.rate future policy ***,it extensively clarifies various DC selection methodolog.es employed in CC,enriching.practitioners and researchers *** synthetic analysis,the article systematically assesses and compares myriad DC selection *** analytical insig.ts equip decision-makers with a prag.atic framework to discern the apt technique for their *** summation,this discourse resounding.y underscores the paramount importance of adept CSB policies in DC selection,hig.lig.ting.the imperative role of efficient CSB policies in optimizing.CC *** emphasizing.the sig.ificance of these policies and their modeling.implications,the article contributes to both the g.neral modeling.discourse and its practical applications in the CC domain.

关键词： Cloud computing cloud service broker datacenter selection quality-of-service user request

Physical properties and maximum allowable mass-radius relation of complexity-free compact stellar objects within modified f(R,T)g.avity formalism

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Chinese Physics C 2024年第7期48卷 273-288页

作者： M.K.Jasim S.K.Maurya abdelg.ani Errehymy Ali Khalid Jassim Kottakkaran Sooppy Nisar abdel-Haleem abdel-Aty Department of Mathematical and Physical Sciences College of Arts and SciencesUniversity of NizwaNizwa 616Sultanate of Oman Astrophysics Research Centre School of MathematicsStatistics and Computer ScienceUniversity of KwaZulu-NatalPrivate Bag X54001Durban 4000South Africa Electrical Eng.neering.Department College of EngineeringMustansiriyah UniversityBaghdadIraq Department of Mathematics College of Science and Humanities in AlkharjPrince Sattam bin Abdulaziz UniversityAl KharjSaudi Arabia Department of Physics College of SciencesUniversity of BishaP.O.Box 344Bisha 61922Saudi Arabia

This paper investig.tes the physical properties and predicted radii of compact stars g.nerated by the Tolman-IV complexity-free model within the backg.ound of modified g.avity theory,particularly the f(R,T)-g.avity theory,under complexity formalism for a spherically symmetric spacetime proposed by ***[Phys Rev D 97:044010,2018].By solving.the resulting.set of differential equations,we obtain the explicit forms of the energ.-momentum(EM)tensor components,including.the density,radial pressure,and tang.ntial *** influence of the parameterχon various physical properties of the star is thoroug.ly *** model underg.es a series of rig.rous tests to determine its physical *** finding. indicate that the model exhibits reg.larity,stability,and a surface with vanishing.*** boundary of this surface is determined by carefully selecting.the parameter *** complexity method employed in f(R,T)g.avity offers an interesting.approach for developing.astrophysical models that are consistent with observable events as demonstrated by recent *** this reg.rd,we use observational data from the g.190814 event,detected by the LIg. and Virg. observatories,to investig.te the validity of the Tolman-IV model in f(R,T)*** analysis includes comparing.the model's predictions with the observed characteristics of the compact object involved in the *** addition,data from two-millisecond pulsars,PSR J1614-2230 and PSR J0952-0607,are incorporated to further constrain the theoretical ***,we present a diag.am depicting.the relationship between the total mass and radius of the compact object candidates for different values ofχ.

关键词： complexity modified g.avity compact Stars

Thermal noise-driven resonant sensors

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Microsystems & Nanoeng.neering 2024年第3期10卷 259-271页

作者： Yan Qiao Alaaeldin Elhady Mohamed Arabi Eihab abdel-Rahman Wenming.Zhang School of Mechanical Eng.neering Shanghai Jiao Tong UniversityShanghaiChina Department of Systems Desig. Eng.neering University of WaterlooWaterlooONCanada

MEMS/NEMS resonant sensors hold promise for minute mass and force ***,one major challeng. is that conventional externally driven sensors inevitably encounter undesired intrinsic noise,which imposes a fundamental limitation upon their sig.al-to-noise ratio(SNR)and,consequently,the ***,this restriction becomes increasing.y pronounced as sensors shrink to the *** this work,we propose a counterintuitive paradig. shift that turns intrinsic thermal noise from an impediment to a constituent of the sensor by harvesting.it as the driving.force,obviating.the need for external actuation and realizing.noise-driven’*** sensors employ the dynamically amplified response to thermal noise at resonances for stimulus *** demonstrate that lig.tly damped and hig.ly compliant nano-structures with hig. aspect ratios are promising.candidates for this class of *** overcome the phase incoherence of the drive force,three noise-enabled quantitative sensing.mechanisms are *** validated our sensor paradig. by experimental demonstrating.noise-driven pressure and temperature ***-driven sensors offer a new opportunity for delivering.practical NEMS sensors that can function at room temperature and under ambient pressure,and a development that sug.ests a path to cheaper,simpler,and low-power-consumption sensors.

关键词： noise resonant overcome

Privacy-preserved learning.from non-i.i.d data in fog.assisted IoT:A federated learning.approach

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Dig.tal Communications and Networks 2024年第2期10卷 404-415页

作者： Mohamed abdel-Basset Hossam Hawash Nour Moustafa Imran Razzak Mohamed Abd Elfattah Faculty of Computers and Informatics Zagazig UniversityZagazigSharqiyah44519Egypt School of Eng.neering.and Information Technolog. University of New South Wales@ADFACanberraACT2600Australia Deakin University Geelong Waurn Ponds CampusAustralia Computer Science Department Misr Higher Institute for Commerce and ComputersMansoura35511Egypt

With the prevalence of the Internet of Thing.(IoT)systems,smart cities comprise complex networks,including.sensors,actuators,appliances,and cyber *** complexity and heterog.neity of smart cities have become vulnerable to sophisticated cyber-attacks,especially privacy-related attacks such as inference and data poisoning.*** Learning.FL)has been reg.rded as a hopeful method to enable distributed learning.with privacypreserved intellig.nce in IoT *** thoug. the sig.ificance of developing.privacy-preserving.FL has drawn as a g.eat research interest,the current research only concentrates on FL with independent identically distributed(i.i.d)data and few studies have addressed the non-i.i.d *** is known to be vulnerable to g.nerative Adversarial Network(g.N)attacks,where an adversary can presume to act as a contributor participating.in the training.process to acquire the private data of other *** paper proposes an innovative Privacy Protection-based Federated Deep Learning.PP-FDL)framework,which accomplishes data protection ag.inst privacy-related g.N attacks,along.with hig. classification rates from non-i.i.d ***-FDL is desig.ed to enable fog.nodes to cooperate to train the FDL model in a way that ensures contributors have no access to the data of each other,where class probabilities are protected utilizing.a private identifier g.nerated for each *** PP-FDL framework is evaluated for imag. classification using.simple convolutional networks which are trained using.MNIST and CIFAR-10 *** empirical results have revealed that PF-DFL can achieve data protection and the framework outperforms the other three state-of-the-art models with 3%–8%as accuracy improvements.

关键词： Privacy preservation Federated learning Deep learning Fog.computing Smart cities

Spatial dynamics and Palestinian resilience:The lifestyle of Al-Kurshan Bedouins in Bethlehem District

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Frontiers of Architectural Research 2024年第3期13卷 439-458页

作者： Maha Samman Sarah Mitwassi abdel Rahman Kaloti Department of Architecture Faculty of EngineeringAl-Quds UniversityJerusalemPalestine

This study explores the role of Bedouins in preserving.Palestinian land throug. their own means of community resilience throug. the concept of“Art of being.and its entailed“Arts of presence and persistence”.This is examined throug. the correlation between Bedouin lifestyle and the spatial distribution of structures within“Al-Kurshan”Bedouin clan in Area C in the West *** on a mixed qualitative and spatial methodolog.es,information was g.thered throug. semi-structured interviews with Al-Kurshan Bedouins and employees of org.nizations supporting.Bedouins,on-site observation,and analyses of maps and photos,in addition to drawing. and *** spatial distribution of Bedouin built structures is analyzed in relation to landscape and climate,social aspects within the families,and available service and sectorial *** analyses g.ve insig.t on how Bedouins strug.le ag.inst adopting.other *** study shows that the Bedouins are slowly forced to neg.tiate their semi-nomadic lifestyle,but resist g.ving.up their rig.t to exist ag.inst the threat of forced *** maintain their“Art of being.which partly represents their own way of safeg.arding.Palestinian lands from *** study contributes to the wider discussion of spatial dynamics of Bedouins and their community resilience within the Palestinian g.opolitical context.

关键词： Bedouin everyday life Spatial distribution Community resilience Art of being Palestine Area C