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Awareness and knowledge about glaucoma among patients visiting the screening clinic in Jeddah Eye hospital,Saudi Arabia

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International Journal of Ophthalmology(English edition) 2021年第6期14卷 887-895页

作者： Saleh M.Alqahtani Marwan A Bakarman Ahmed Almanjoumi sami h.alzahrani Ministry of health Jeddah 23545Saudi Arabia Department of Family and Community Medicine Faculty of Medicine in RabighKing Abdul Aziz UniversityJeddah 21589Saudi Arabia Ophthalmology Department Faculty of MedicineKing Abdulaziz UniversityJeddah 22234Saudi Arabia Family Medicine Department Faculty of MedicineKing Abdulaziz UniversityJeddah 22431Saudi Arabia

AIM:To explore levels and determinants of awareness and knowledge about glaucoma among ***:This was a cross-sectional study that included adult patients from October to the end of December 2018.A semi-structured questionnaire was designed by the researchers to measure the levels of awareness and knowledge about 18 basic information about *** sheet was divided into 4 domains:types of glaucoma,risk factors,clinical features,and management.A knowledge score(KS,range=0-18)was calculated,with higher scores indicating higher ***:A total of 383 patients responded to the questionnaire,61.9%males,mean±SD age was 38.5±12.94 years old,and 61.6%had a university degree or *** them,6.3%and 23.2%reported personal and family history of glaucoma,*** most frequently reported source of information about glaucoma was another person with glaucoma(28.2%),followed by physicians(24.8%)and TV(19.6%).Knowledge by item ranged from 3.1%to 82.5%correctness rate,while KS showed mean=5.91 and median=5;and reliability testing of the knowledge scale showed Cronbach’s alpha=*** KS were found among respondents with higher educational level(P=0.036),diabetes history(P=0.025),and personal(Phistory of ***:This study reveals low awareness and knowledge levels about glaucoma among the attendees of a local eye care hospital,where several misconceptions about disease risk factors,clinical features,and management are identified.

关键词： awareness knowledge glaucoma Saudi Arabia

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Perceived Stress and Coping Styles among the General Population in Saudi Arabia during COVID-19 Pandemic

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International Journal of Mental health Promotion 2022年第3期24卷 361-373页

作者： Waleed A.Alghamdi sami h.alzahrani Saeed S.Shaaban Naseem A.Alhujaili Department of Medicine Faculty of MedicineKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Medicine Division of PsychiatryRabigh Faculty of MedicineKing Abdulaziz UniversityJeddah25732Saudi Arabia Department of Family Medicine Faculty of MedicineKing Abdulaziz UniversityJeddah21589Saudi Arabia

This article examines the stress levels,coping responses,and influence of adaptive and maladaptive coping styles on stress in Saudi Arabia during the COVID-19 *** online cross-sectional survey was distributed to the attendees of a pandemic-related awareness *** questionnaire assessed demographic and clinical characteristics,coping strategies(the brief COPE inventory),and stress levels(the Perceived Stress Scale).A multivariate linear regression analysis was conducted to assess the predictors of *** highest adaptive and maladaptive coping styles were reported for religion and *** groups were independently more vulnerable to experience stress,including young-and middle-aged adults,females,students,and those with a lowto-middle income,with a personal or familial history of mental conditions,and living with someone with COVID-19 in their close *** levels of stress were also predicted by lower levels of using positive coping styles,particularly positive reframing,planning,and returning to religion,and higher levels of negative coping styles,such as venting,self-blame,and *** psychotherapeutic interventions through the media and digital solutions are warranted to mitigate and manage stress by targeting vulnerable groups,promoting active coping styles,and discouraging negative coping strategies.

关键词： Anxiety coronavirus public health pandemic mental health chronic illness

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An Optimized Approach to Deep Learning for Botnet Detection and Classification for Cybersecurity in Internet of Things Environment

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Computers, Materials & Continua 2024年第8期80卷 2331-2349页

作者： Abdulrahman alzahrani Department of Computer Science and Engineering College of Computer Science and EngineeringUniversity of Hafr Al BatinP.O.Box 1803Hafr Al Batin39524Saudi Arabia

The recent development of the Internet of Things(IoTs)resulted in the growth of IoT-based DDoS *** detection of Botnet in IoT systems implements advanced cybersecurity measures to detect and reduce malevolent botnets in interconnected *** detection models evaluate transmission patterns,network traffic,and device behaviour to detect deviations from usual *** learning(ML)techniques detect patterns signalling botnet activity,namely sudden traffic increase,unusual command and control patterns,or irregular device *** addition,intrusion detection systems(IDSs)and signature-based techniques are applied to recognize known malware signatures related to *** ML and deep learning(DL)techniques have been developed to detect botnet attacks in IoT *** overcome security issues in an IoT environment,this article designs a gorilla troops optimizer with DL-enabled botnet attack detection and classification(GTODL-BADC)*** GTODL-BADC technique follows feature selection(FS)with optimal DL-based classification for accomplishing security in an IoT *** data preprocessing,the min-max data normalization approach is primarily *** GTODL-BADC technique uses the GTO algorithm to select features and elect optimal feature ***,the multi-head attention-based long short-term memory(MhA-LSTM)technique was applied for botnet ***,the tree seed algorithm(TSA)was used to select the optimum hyperparameter for the MhA-LSTM *** experimental validation of the GTODL-BADC technique can be tested on a benchmark *** simulation results highlighted that the GTODL-BADC technique demonstrates promising performance in the botnet detection process.

关键词： Botnet detection internet of things gorilla troops optimizer hyperparameter tuning intrusion detection system

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Fuzzy Based Decision-Making Approach for Estimating Usable-Security of healthcare Web Applications

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Computers, Materials & Continua 2021年第3期66卷 2599-2625页

作者： Fahad A.alzahrani Computer Engineering Department Umm Al-Qura UniversityMecca24381Saudi Arabia

Usability and security are often considered contradictory in *** has a negative impact on the *** order to satisfy the needs of users with the security perspective,the relationship and trade-offs among security and usability must be *** practitioners are working on developing new approaches that would help to secure healthcare web applications as well increase usability of the web *** the same league,the present research endeavour is premised on the usable-security of healthcare web *** a compatible blend of usability and security that would fulfill the users’requirments,this research proposes an integration of the Fuzzy AhP-TOPSIS method for assessing usable-security of healthcare web *** the estimation of security-usability accrately is also a decision making problem,the study employs Multiple Criteria Decision Analysis(MCDA)for selecting the most decisive attributes of usability as well as ***,this study also pinpoints the highest priority attributes that can strengthen the usable-security of the healthcare web *** effectiveness of the suggested method has been tested on the healthcare web applications of local hospitals in Mecca,Saudi *** results corroborate that Fuzzy AhP-TOPSIS is indeed a reliable technique that will help the developers to design a healthcare web applications that delivers optimum usable-security.

关键词： Decision making healthcare web application usable-security fuzzy ahp fuzzy topsis

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Estimating Security Risk of healthcare Web Applications: A Design Perspective

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Computers, Materials & Continua 2021年第4期67卷 187-209页

作者： Fahad A.alzahrani Department of Computer Engineering Umm Al-Qura UniversityMecca24381Saudi Arabia

In the recent years,the booming web-based applications have attracted the hackers’*** security risk of the web-based hospital management system(WBhMS)has been increasing *** the given context,the main goal of all security professionals and website developers is to maintain security divisions and improve on the user’s confidence and *** this point,the different WBhMS tackle different types of security *** WBhMS,the security of the patients’medical information is of utmost *** in all,there is an inherent security risk of data and assets in the field of the medical industry as a *** objective of this study is to estimate the security risk assessment of *** risks assessment pertains to securing the integrity of the information in alignment with the health Insurance Portability and Accountability *** includes protecting the relevant financial records,as well as the identification,evaluation,and prevention of a data *** the past few years,according to the US-based cyber-security firm Fire-eye,6.8 million data thefts have been recorded in the healthcare sector in *** breach barometer report mentions that in the year 2019,the data breaches found were up to 48.6%as compared to the year ***,it is very important to assess the security risk in *** this research,we have followed the hybrid technique fuzzy analytic hierarchy process-technique for order of preference by similarity to ideal solution(F-AhPTOPSIS)approach to assess the security risk in *** place of this empirical database is at the local hospital of Varanasi,U.P.,*** the affectability of WBhMS for its board framework,this work has used diverse types of web *** outcomes obtained and the procedure used in this assessment would support future researchers and specialists in organizing web applications through advanced support of safety and security.

关键词： Web based hospital management system security risk fuzzy AhP fuzzy TOPSIS

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Chaotic Pigeon Inspired Optimization Technique for Clustered Wireless Sensor Networks

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Computers, Materials & Continua 2022年第12期73卷 6547-6561页

作者： Anwer Mustafa hilal Aisha hassan Abdalla hashim sami Dhahbi Dalia h.Elkamchouchi Jaber S.alzahrani Mrim M.Alnfiai Amira Sayed A.Aziz Abdelwahed Motwakel Department of Electrical and Computer Engineering International Islamic University Malaysia53100Kuala LumpurMalaysia Department of Computer and Self Development Preparatory Year DeanshipPrince Sattam bin Abdulaziz UniversityAlKharjSaudi Arabia Department of Computer Science College of Science&Art at MahayilKing Khalid UniversitySaudi Arabia Department of Information Technology College of Computer and Information SciencesPrincess Nourah Bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Department of Industrial Engineering College of Engineering at AlqunfudahUmm Al-Qura UniversitySaudi Arabia Department of Information Technology College of Computers and Information TechnologyTaif UniversityTaifP.O.Box 11099Taif21944Saudi Arabia Department of Digital Media Faculty of Computers and Information TechnologyFuture University in EgyptNew Cairo11835Egypt

Wireless Sensor Networks(WSN)interlink numerous Sensor Nodes(SN)to support Internet of Things(loT)*** the data gathered from SNs can be divulged,tempered,and *** WSN data processes manage the data in a centralized format at terminal *** devices are prone to attacks and the security of systems can get *** is a distributed and decentralized technique that has the ability to handle security issues in *** security issues include transactions that may be copied and spread across numerous nodes in a peer-peer network *** breaches the mutual trust and allows data immutability which in turn permits the network to go *** some instances,few nodes die or get compromised due to heavy power *** current article develops an Energy Aware Chaotic Pigeon Inspired Optimization based Clustering scheme for Blockchain assisted WSN technique abbreviated as EACPIO-CB *** primary objective of the proposed EACPIO-CB model is to proficiently group the sensor nodes into clusters and exploit Blockchain(BC)for inter-cluster communication in the *** select Clusterheads(Chs)and organize the clusters,the presented EACPIO-CB model designs a fitness function that involves distinct input ***,BC technology enables the communication between one Ch and the other and with the Base Station(BS)in the *** authors conducted comprehensive set of simulations and the outcomes were investigated under different *** simulation results confirmed the better performance of EACPIO-CB method over recent methodologies.

关键词： Blockchain wireless sensor networks clustering energy efficiency security data transmission

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Evaluation of NFC-Guidable System to Manage Polypharmacy in Elderly Patients

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Computer Systems Science & Engineering 2022年第5期41卷 445-460页

作者： Khalid alzahrani Mrim Alnfiai Department of Clinical Laboratories Sciences College of Applied Medical SciencesTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Information Technology College of Computers and Information TechnologyTaif UniversityTaif P.O.Box 11099Taif21944Saudi Arabia

A complete and thorough understanding by patients of their prescriptions is one of the most critical components of a successful treatment *** unfamiliar with the intricacies of prescribed medication can cause serious health risks due to not adhering to prescription instructions or noting potential drug interactions,which can lead to life-threatening *** face communication barriers(including non-English speaking patients),lack of time,lack of knowledge,workload,and frequent interruption when dispensing medicines often preventing them from providing the necessary guidance to their *** minimize this risk,an NFC-Guidable polypharmacy system was developed integrating Near Field Technology(NFC)into prescription *** intention being,to automate prescription identification for elderly patients in hospitals and primary health care(PhC)centers where Arabic is their native language and patients have five or more prescriptions at a *** system provides prescription information such as name,expiration date based on the Islamic calendar,appropriate dosage,the correct time for a dose,contraindication,and other relevant instructions in *** objectives of the system are to improve patient safety and enhance the quality of prescription dispensing for elderly and non-English speaking *** evaluation study with polypharmacy elderly patients and pharmacists is conducted to understand the perception and acceptance of the system by both *** strengths and weaknesses of the system as well as suggestions for improvement from participants were also *** study results indicate that the system helps patients to avoid misuse of sensitive medication and authenticates their prescribed prescription drugs before taking *** system also assists pharmacists in improving the efficiency of dispensing medication and streamline ***,the application was well received by both patients and ***,NFC technol

关键词： NFC health elder patients pharmacists language

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Fully Automated Density-Based Clustering Method

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Computers, Materials & Continua 2023年第8期76卷 1833-1851页

作者： Bilal Bataineh Ahmad A.alzahrani Information Systems Department College of Computers and Information SystemsMakkahSaudi Arabia

Cluster analysis is a crucial technique in unsupervised machine learning,pattern recognition,and data ***,current clustering algorithms suffer from the need for manual determination of parameter values,low accuracy,and inconsistent performance concerning data size and *** address these challenges,a novel clustering algorithm called the fully automated density-based clustering method(FADBC)is *** FADBC method consists of two stages:parameter selection and cluster *** the first stage,a proposed method extracts optimal parameters for the dataset,including the epsilon size and a minimum number of points *** parameters are then used in a density-based technique to scan each point in the dataset and evaluate neighborhood densities to find *** proposed method was evaluated on different benchmark datasets andmetrics,and the experimental results demonstrate its competitive performance without requiring manual *** results show that the FADBC method outperforms well-known clustering methods such as the agglomerative hierarchical method,k-means,spectral clustering,DBSCAN,FCDCSD,Gaussian mixtures,and density-based spatial clustering *** can handle any kind of data set well and perform excellently.

关键词： Automated clustering data mining density-based clustering unsupervised machine learning

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Transportation of heat through Cattaneo-Christov heat flux model in non-Newtonian fluid subject to internal resistance of particles

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Applied Mathematics and Mechanics(English Edition) 2020年第8期41卷 1157-1166页

作者： M.I.KhAN F.alzahrani Department of Mathematics Riphah International UniversityFaisalabad 38000Pakistan Nonlinear Analysis and Applied Mathematics(NAAM)-Research Group Department of MathematicsFaculty of SciencesKing Abdulaziz UniversityJeddah 21589Saudi Arabia

Thermal conduction which happens in all phases(liquid,solid,and gas)is the transportation of internal energy through minuscule collisions of particles and movement of electrons within a working *** colliding particles comprise electrons,molecules,and atoms,and transfer disorganized microscopic potential and kinetic energy,mutually known as the internal *** engineering sciences,heat transfer comprises the processes of convection,thermal radiation,and sometimes mass ***,more than one of these procedures may happen in a given *** use the Cattaneo-Christov(CC)heat flux model instead of the Fourier law of heat conduction to discuss the behavior of heat transportation.A mathematical model is presented for the Cattaneo-Christov double diffusion(CCDD)in the flow of a non-Newtonian nanofluid(the Jeffrey fluid)towards a stretched *** magnetohydrodynamic(MhD)fluid is *** behaviors of heat and mass transportation rates are discussed with the *** models are based on Fourier’s and Fick’s *** convective transportation in nanofluids is discussed,subject to thermophoresis and Brownian *** nonlinear governing flow expression is first altered into ordinary differential equations via appropriate transformations,and then numerical solutions are obtained through the built-in-shooting *** impact of sundry flow parameters is discussed on the velocity,the skin friction coefficient,the temperature,and the concentration *** is reported that the velocity of material particles decreases with higher values of the Deborah number and the ratio of the relaxation to retardation time *** temperature distribution enhances when the Brownian motion and thermophoresis parameters *** concentration shows contrasting impact versus the Lewis number and the Brownian motion *** is also noticed that the skin friction coefficient decreases when the ratio of the relaxation to retarda

关键词： Cattaneo-Christov double diffusion(CCDD) non-Newtonian fluid model(Jeffrey model) viscous dissipation magnetohydrodynamic(MhD) Brownian diffusion thermophoresis diffusion

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Relativistic solutions for diatomic molecules subject to pseudoharmonic oscillator in arbitrary dimensions

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Chinese Physics B 2013年第7期22卷 64-69页

作者： sami Ortakaya Institute of Natural and Applied Sciences Department of PhysicsErciyes University

The exact solutions of the N-dimensional Klein–Gordon equation in the presence of an exactly solvable potential of V（r）=De（r/re-re/r）2 type have been obtained. The N dimensional Klein-Gordon equation has been reduced to a first-order differential equation via Laplace transformation. The exact bound state energy eigenvalues and corresponding wave functions for Ch,h2,and hCl molecules interacting with pseudoharmonic oscillator potential in the arbitrary N dimensions have been determined. Bound state eigenfunctions used in applications related to molecular spectroscopy are obtained in terms of confluent hypergeometric functions.

关键词： Klein–Gordon equation Laplace integral transform bound states

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