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Computers, Materials & Continua 2024年第2期78卷 2245-2267页

作者： Ashraf S.Mashaleh noor Farizah Binti ibrahim Mohammad Alauthman Mohammad Almseidin Amjad Gawanmeh School of Computer Sciences Universiti Sains MalaysiaPenangMalaysia Department Computer Center Al-Balqa Applied UniversitySaltJordan Department of Information Security Faculty of Information TechnologyUniversity of PetraAmmanJordan Department of Computer Science Tafila Technical UniversityTafilaJordan College of Engineering and IT University of DubaiDubaiUnited Arab Emirates

Increasing Internet of Things(IoT)device connectivity makes botnet attacks more dangerous,carrying catastrophic *** IoT botnets evolve,their dynamic and multifaceted nature hampers conventional detection *** paper proposes a risk assessment framework based on fuzzy logic and Particle Swarm Optimization(PSO)to address the risks associated with IoT *** logic addresses IoT threat uncertainties and ambiguities *** component settings are optimized using PSO to improve *** methodology allows for more complex thinking by transitioning from binary to continuous *** of expert inputs,PSO data-driven tunes rules and membership *** study presents a complete IoT botnet risk assessment *** methodology helps security teams allocate resources by categorizing threats as high,medium,or low *** study shows how CICIoT2023 can assess cyber *** research has implications beyond detection,as it provides a proactive approach to risk management and promotes the development of more secure IoT environments.

关键词： IoT botnet detection risk assessment fuzzy logic particle swarm optimization(PSO) cybersecurity interconnected devices

Cardiovascular risk factors among older persons with cognitive frailty in middle income country

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World Journal of Clinical Cases 2024年第17期12卷 3076-3085页

作者： Azianah Mohamad ibrahim Devinder Kaur Ajit Singh Arimi Fitri Mat Ludin noor ibrahim Mohamed Sakian Nurul Fatin Malek Rivan Suzana Shahar Centre for Healthy Ageing and Wellness Faculty of Health SciencesUniversiti Kebangsaan MalaysiaWilayah Persekutuan Kuala Lumpur 50300Malaysia Basic Medical Sciences University of CyberjayaSelangor Darul EhsanMalaysia 63000Malaysia

BACKGROUND Cognitive frailty,characterized by the coexistence of cognitive impairment and physical frailty,represents a multifaceted challenge in the aging *** role of cardiovascular risk factors in this complex interplay is not yet fully *** To investigate the relationships between cardiovascular risk factors and older persons with cognitive frailty by pooling data from two cohorts of studies in *** A comprehensive approach was employed,with a total of 512 communitydwelling older persons aged 60 years and above,involving two cohorts of older persons from previous *** related to cardiovascular risks,namely sociodemographic factors,and cardiovascular risk factors,including hypertension,diabetes,hypercholesterolemia,anthropometric characteristics and biochemical profiles,were pooled for *** frailty was defined based on the Clinical Dementia Rating scale and Fried frailty *** risk was determined using Framingham risk *** analyses were conducted using SPSS version *** Of the study participants,46.3%exhibited cognitive *** risk factors including hypertension(OR:1.60;95%CI:1.12-2.30),low fat-free mass(OR:0.96;95%CI:0.94-0.98),high percentage body fat(OR:1.04;95%CI:1.02-1.06),high waist circumference(OR:1.02;95%CI:1.01-1.04),high fasting blood glucose(OR:1.64;95%CI:1.11-2.43),high Framingham risk score(OR:1.65;95%CI:1.17-2.31),together with sociodemographic factors,i.e.,being single(OR 3.38;95%CI:2.26-5.05)and low household income(OR 2.18;95%CI:1.44-3.30)were found to be associated with cognitive *** Cardiovascular-risk specific risk factors and sociodemographic factors were associated with risk of cognitive frailty,a prodromal stage of *** identification and management of cardiovascular risk factors,particularly among specific group of the population might mitigate the risk of cognitive frailty,hence preventing dementia.

关键词： Cognitive frailty Older persons Cardiovascular risk factors Frailty Mild cognitive impairment

Quran memorisation and heart rate variability:How do they correlate?

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World Journal of Clinical Cases 2024年第29期12卷 6275-6284页

作者： Ahmad Rohi Ghazali Nor Malia Abd Warif noor Anisah A Yazit Norsham Juliana Ismarulyusda Ishak Farah Wahida ibrahim Arimi Fitri Mat Ludin Dzalani Harun Santibuana Abd Rahman Wan Nor Atikah Che Wan Mohd Rozali Biomedical Science Programme Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Center for Toxicology and Health Risk Studies Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Faculty of Medicine and Health Sciences Universiti Sains Islam MalaysiaNilai 71800Malaysia Center for Healthy Ageing and Wellness Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Center for Rehabilitation and Special Needs Studies Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Occupational Therapy Programme Faculty of Health SciencesUniversiti Kebangsaan MalaysiaKuala Lumpur 50300Malaysia Faculty of Pharmacy and Health Sciences Universiti Kuala Lumpur Royal College of Medicine PerakIpoh Perak 30450Malaysia

BACKGROUND Heart rate variability(HRV)was shown to be affected by performing religious *** To examine the relationship between the level of Quran(the holy book of Muslims)memorisation and HRV among *** This experimental study included 16 Tahfiz students and 16 non-Tahfiz students(n=32).The HRV was measured in three tasks:Recalling familiar verses,memorising new verses,and recalling the newly memorised verses of the *** analysis was done using these parameters:Standard deviation of N-N(heartbeat peak)interval;low frequency(LF);high frequency(HF)and LF/HF *** There were significant differences between tasks for all parameters(P<0.05).However,between the groups,only the LF/HF ratio had significant differences,with F=5.04,P<*** correlation showed a moderate positive correlation between the number of pages memorised and the LF/HF ratio(r=0.61,P<0.05).CONCLUSION Quran memorisation increased the HRV and our results suggested that this activity could be developed as an effective sympathovagal modulation training activity.

关键词： Heart rate variability Autonomic nervous system Quran memorisation Tahfiz student Heartbeat

Collaborative Efforts and Strategies for Cholera Outbreak Control in Garissa County, Kenya: Implementation of Water Quality Monitoring Interventions

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Journal of Water Resource and Protection 2024年第2期16卷 123-139页

作者： Michael Habtu Mark Nanyingi Ali A. Hassan Abdiwahid M. noor Joel Mutyandia Muli Alan Mwika Julius Wekesa Ahmed Fidhow Diba Dulacha Landry Kabego Ishata Nannie Conteh Andre Arsene Bita Fouda Sonia Chene Aden H. ibrahim Ahmed Nadhir Omar Martins C. Livinus Abdourahmane Diallo World Health Organization Nairobi Kenya Department of Health Garissa County Government Garissa Kenya Water Resources Authority Garissa Kenya World Health Organization Regional Office for Africa Brazzaville Congo Regional Agency for Health Dijon France

A multi-faceted Case Area Targeted Intervention (CATI) approach emphasizing the integration of Water, Sanitation and Hygiene (WASH) interventions and Oral Cholera Vaccine (OCV) campaign was employed to respond to the outbreak of cholera in Garissa County. Drinking water sources in areas heavily impacted by cholera were systematically mapped and tested for microbiological quality. The quality assessment was carried out in April 2023 during an ongoing cholera outbreak in the county. A total of 109 samples were collected and tested for thermotolerant coliforms and other in situ parameters. The finding revealed that more than 87% of the samples did not meet the World Health Organization (WHO) standard for thermotolerant coliforms;and 30% had turbidity values above the recommended threshold values. None of the 109 samples had any traceable residual chlorine. Following these findings, the county government implemented the targeted interventions which resulted in a positive impact in the fight against cholera. The WHO supported key interventions which included capacity building in water quality monitoring and prepositioning of critical WASH commodities to the cholera affected areas.

关键词： Cholera Drinking Water Household Water Treatment Kenya

L-Moments Based Calibrated Variance Estimators Using Double Stratified Sampling

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Computers, Materials & Continua 2021年第9期68卷 3411-3430页

作者： Usman Shahzad Ishfaq Ahmad ibrahim Mufrah Almanjahie Nadia H.Al–noor Department of Mathematics and Statistics International Islamic UniversityIslamabad44000Pakistan Department of Mathematics and Statistics PMAS-Arid Agriculture UniversityRawalpindi46300Pakistan Department of Mathematics College of ScienceKing Khalid UniversityAbha62529Saudi Arabia Statistical Research and Studies Support Unit King Khalid UniversityAbha62529Saudi Arabia Department of Mathematics College of ScienceMustansiriyah UniversityBaghdad10011Iraq

Variance is one of the most vital measures of dispersion widely employed in practical aspects.A commonly used approach for variance estimation is the traditional method of moments that is strongly influenced by the presence of extreme values,and thus its results cannot be relied *** momentum from Koyuncu’s recent work,the present paper focuses first on proposing two classes of variance estimators based on linear moments(L-moments),and then employing them with auxiliary data under double stratified sampling to introduce a new class of calibration variance estimators using important properties of L-moments(L-location,L-cv,L-variance).Three populations are taken into account to assess the efficiency of the new *** first and second populations are concerned with artificial data,and the third populations is concerned with real *** percentage relative efficiency of the proposed estimators over existing ones is *** the presence of extreme values,our findings depict the superiority and high efficiency of the proposed classes over traditional ***,when auxiliary data is available along with extreme values,the proposed classes of estimators may be implemented in an extensive variety of sampling surveys.

关键词： Variance estimation L-moments calibration approach double sampling stratified random sampling

A New Class of L-Moments Based Calibration Variance Estimators

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Computers, Materials & Continua 2021年第3期66卷 3013-3028页

作者： Usman Shahzad Ishfaq Ahmad ibrahim Mufrah Almanjahie Nadia H.Al noor Muhammad Hanif Department of Mathematics and Statistics International Islamic UniversityIslamabad46000Pakistan Department of Mathematics and Statistics PMAS-Arid Agriculture UniversityRawalpindi46300Pakistan Department of Mathematics King Khalid UniversityAbha62529Saudi Arabia Statistical Research and Studies Support Unit King Khalid UniversityAbha62529Saudi Arabia Department of Mathematics College of ScienceMustansiriyah UniversityBaghdad10011Iraq

Variance is one of themost important measures of descriptive statistics and commonly used for statistical *** traditional second-order central moment based variance estimation is a widely utilized ***,traditional variance estimator is highly affected in the presence of extreme *** this paper initially,proposes two classes of calibration estimators based on an adaptation of the estimators recently proposed by Koyuncu and then presents a new class of L-Moments based calibration variance estimators utilizing L-Moments characteristics(L-location,Lscale,L-CV)and auxiliary *** is demonstrated that the proposed L-Moments based calibration variance estimators are more efficient than adapted *** data is considered for assessing the performance of the proposed *** also demonstrated an application related to apple fruit for purposes of the *** artificial and real data sets,percentage relative efficiency(PRE)of the proposed class of estimators with respect to adapted ones are *** PRE results indicate to the superiority of the proposed class over adapted ones in the presence of extreme *** this manner,the proposed class of estimators could be applied over an expansive range of survey sampling whenever auxiliary information is available in the presence of extreme values.

关键词： L-moments variance estimation calibration approach stratified random sampling

High Gain of UWB Planar Antenna Utilising FSS Reflector for UWB Applications

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Computers, Materials & Continua 2022年第1期70卷 1419-1436页

作者： Ahmed Jamal Abdullah Al-Gburi Imran Bin Mohd ibrahim Zahriladha Zakaria Badrul Hisham Ahmad noor Azwan Bin Shairi Mohammed Yousif Zeain Department of Electronics and Computer Engineering(FKEKK) Center for Telecommunication Research and Innovation(CeTRI)Universiti Teknikal Malaysia Melaka(UTeM)Durian TunggalMalaccaMalaysia

In this paper,a high gain and directional coplanarwaveguide(CPW)-fed ultra-wideband(UWB)planar antenna with a new frequency selective surface(FSS)unit cells design is proposed for UWB *** proposed UWB antenna was designed based on the Mercedes artistic-shaped planar(MAP)*** antenna consisted of a circular ring embedded with three straight legs for antenna impedance bandwidth *** modelled FSS used the integration of a two parallel conductive metallic patch with a circular loop *** FSS provided a UWB stopband filter response covering a bandwidth of 10.5 GHz,for frequencies from 2.2 to 12.7 *** proposed FSS had a compact physical dimension of 5 mm×5 mm×1.6 mm,with a printed array of 19×19 FSS unit *** FSS unit cells were printed on only one side of the dielectric FR4 substrate and placed as a sandwich between the antenna and the reflector ground *** equivalent circuit configuration(ECC)was used to verify the FSS unit cell structure’s *** simulated results indicated that the UWB MAP antenna and FSS reflector provided a fractional bandwidth of 136%and a high gain of 11.5 dB at 8.5 GHz with an acceptable radiation efficiency of 89%.Furthermore,the gain was improved across the operating band and kept between 8.3 and 11.5 *** proposed antenna was in good agreement between theoretical and experimental results and offered a wide enough bandwidth for UWB and vehicle applications.

关键词： UWB MAP antenna stable gain FSS reflector ECC stopband response reflection phase

A non-conventional hybrid numerical approach with multi-dimensional random sampling for cocaine abuse in Spain

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International Journal of Biomathematics 2018年第8期11卷 289-305页

作者： Maha A. Mohammed N. F. M. noor A. I. N. ibrahim Z. Sir Department of Mathematics Ibn-Al-Haitham College of Education University of Baghdad 477146 Baghdad Iraq Institute of Mathematical Sciences Faculty of Science University of Malaya 50603 Kuala Lumpur Malaysia

This paper introduces a non-conventional approach with multi-dimensional random sampling to solve a cocaine abuse model with statistical probability. The mean Latin hypercube finite difference (MLHFD) method is proposed for the first time via hybrid integration of the classical numerical finite difference (FD) formula with Latin hypercube sampling (LHS) technique to create a random distribution for the model parameters which are dependent on time t. The LHS technique gives advantage to MLHFD method to produce fast variation of the parameters' values via number of multidimensional simulations (100, 1000 and 5000). The generated Latin hypercube sample which is random or non-deterministic in nature is further integrated with the FD method to complete one cycle of LHS-FD simulation iteration. This process is repeated until n final iterations of LHS-FD are obtained. The means of these n final solutions (MLHFD solutions) are tabulated, graphed and analyzed. The numerical simulation results of MLHFD for the SEIR model are presented side-by-side with deterministic solutions obtained from the classical FD scheme and homotopy analysis method with Pade approximation (HAM-Pade). The present MLHFD results are also compared with the previous non-deterministic statistical estimations from 1995 to 2015. Good agreement between the two is perceived with small errors. MLHFD method can be used to predict future behavior, range and prediction interval for the epidemic model solutions. The expected profiles of the cocaine abuse subpopulations are projected until the year 2045. Both the statistical estimations and the deterministic results of FD and HAM-Pade are found to be within the MLHFD prediction intervals for all the years and for all the subpopulations considered.

关键词： Epidemic model finite difference method Latin hypercube sampling ordinarydifferential equation prediction interval random distribution SEIR

Identifying and Prioritizing the Research Needs Related to Mental Health in Gaza Strip, Palestine

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Open Journal of Psychiatry 2015年第1期5卷 19-25页

作者： Nasser ibrahim Abu-El-noor Yousef ibrahim Aljeesh College of Nursing Islamic University of Gaza Gaza Palestine

Background: An important function of research is to identify community needs in certain fields. As mental health is a vital issue to us, identifying and prioritizing mental health needs is important to policy makers to help them in setting goals for different programs that meet the needs of a specific community in a certain health area. Purpose: To identify the health research needs in the field of?mental health in Gaza Strip, Palestine. Design and Methods: The design was a qualitative design using?focus group, need assessment and non-structured interview for data collection. Participants: Participants included three focus groups. First group consisted of students enrolled in a master program?of community mental health nursing;second group included seven faculty members who were specialists?in mental health;and third group included six key persons from the ministry of health and?the chair of community mental health program in WHO at Gaza Strip. Results: Results of this qualitative?study revealed several themes that emerged from the thematic analysis. Many health research?needs were identified by participants. These needs included the following topics: stigma, family integration, aggression of children born to substance-abuse fathers, post-partum depression, counseling, talking therapy in clinical practice, behavioral problems, tramadole abuse, risk factors leadingto drug dependence, autism, exploring the role of religion in mental health, and Wellness Recovery Action Plan. Implication for Practice: Well designed studies will help to identify and prioritize the health needs for a specific community. Identifying the needs related to community mental health?is one of the first steps to help in pushing these needs into the agenda of health policy makers, who then will work to set goals and design policies and programs that aiming to meet the needs of the community, which hopefully will produce a community with less mental health problems.

关键词： Research Needs Research Priorities Mental Health Focus Group Gaza Strip