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Offshore Software Maintenance Outsourcing Process Model Validation:A Case Study Approach

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Computers, Materials & Continua 2023年第3期74卷 5035-5048页

作者： Atif Ikram Masita abdul Jalil Amir bin Ngah Adel Sulaiman Muhammad Akram ahmad Salman Khan Faculty of Ocean Engineering Technology and Informatics University Malaysia TerengganuKuala TerengganuMalaysia Department of Computer Science&Information Technology Faculty of Information TechnologyThe University of LahoreLahore54000Pakistan Department of Computer Science College of Computer Science and Information SystemsNajran UniversityNajranSaudi Arabia Department of Software Engineering Faculty of Information TechnologyThe University of LahoreLahore54000Pakistan

The successful execution and management of Offshore Software Maintenance Outsourcing(OSMO)can be very beneficial for OSMO vendors and the OSMO *** a lot of research on software outsourcing is going on,most of the existing literature on offshore outsourcing deals with the outsourcing of software development *** frameworks have been developed focusing on guiding software systemmanagers concerning offshore software ***,none of these studies delivered comprehensive guidelines for managing the whole process of *** is a considerable lack of research working on managing OSMO from a vendor’s ***,to find the best practices for managing an OSMO process,it is necessary to further investigate such complex and multifaceted phenomena from the vendor’s *** study validated the preliminary OSMO process model via a case study research *** results showed that the OSMO process model is applicable in an industrial setting with few *** industrial data collected during the case study enabled this paper to extend the preliminary OSMO process *** refined version of the OSMO processmodel has four major phases including(i)Project Assessment,(ii)SLA(iii)Execution,and(iv)Risk.

关键词： Offshore outsourcing process model model validation vendor challenges case study

Forestvoltaics,Floatovoltaics and Building Applied Photovoltaics(BAPV)Potential for a University Campus

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Energy Engineering 2024年第9期121卷 2331-2361页

作者： Rittick Maity Muhammad Khairul Imran bin ahmad Shuhaimi Kumarasamy Sudhakar Amir abdul Razak Faculty of Electrical and Electronics Engineering Technology Universiti Malaysia Pahang Al-Sultan AbdullahPekan26600Malaysia Centre for Research in Advanced Fluid and Processes UniversitiMalaysia Pahang Al-Sultan AbdullahGambang26300Malaysia Faculty of Mechanical and Automotive Engineering Technology Universiti Malaysia Pahang Al-Sultan AbdullahPekan26600Malaysia Centre for Automotive Engineering Universiti Malaysia Pahang Al-Sultan AbdullahPekan26600Malaysia Energy Centre Maulana Azad National Institute of TechnologyBhopal462003India

The United Nations’Sustainable Development Goals(SDGs)highlight the importance of affordable and clean energy *** energy is a perfect example,being both renewable and *** popularity shows no signs of slowing down,with solar photovoltaic(PV)panels being the primary technology for converting sunlight into *** are continuously being made to ensure cost-effectiveness,high-performing cells,extended lifespans,and minimal maintenance *** study focuses on identifying suitable locations for implementing solar PVsystems at theUniversityMalaysia PahangAl Sultanabdullah(UMPSA),Pekan campus including buildings,water bodies,and forest areas.A combined technical and economic analysis is conducted using Helioscope for simulations and the Photovoltaic Geographic Information System(PVGIS)for economic *** simulation examine case studies for PV installations in forested areas,lakes,and *** approach provides comprehensive estimations of solar photovoltaic potential,annual cost savings,electricity costs,and greenhouse gas emission *** on land coverage percentages,Floatovoltaics have a large solar PV capacity of 32.3 Megawatts(MW);forest-based photovoltaics(Forestvoltaics)achieve maximum yearly savings of RM 37,268,550;and Building Applied Photovoltaics(BAPV)have the lowest CO2 emissions and net carbon dioxide reduction compared to other plant *** also clarifies the purpose of using both software tools to achieve a comprehensive understanding of both technical and economic aspects.

关键词： Helioscope solar photovoltaic PV GIS performance land coverage economics

Mathematical models for process commonality under quality and resources breakdown in multistage production

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2011年第11期12卷 837-848页

作者： Mohammed abdul WAZED Shamsuddin AHMED Yusoff bin NUKMAN Department of Engineering Design and Manufacture University of Malaya Department of Mechanical Engineering Chittagong University of Engineering and Technology(CUET)

It is essential to manage customers' diverse desires and to keep manufacturing costs as low as possible for survival in competition and eventually in *** resources in manufacturing for different products is a vital method of accomplishing this *** advantages of using a common process in production are stated in the ***,the mathematical models as well as simulation or conceptual models are not *** main objective of this paper is to develop mathematical models for multiproduct and multistage production under quality and breakdown *** idea of the process commonality is incorporated in the proposed *** models are validated by primary data collected from a Malaysian company and comparison of the timely requirement schedules of earlier MRP II and the proposed models under stable and perfect production *** appreciable convergence of the outcomes is ***,the proposed models are carrying additional information about the available locations of the parts in a time *** validation,the effects of process commonality on cost,capacity and the requirement schedule under uncertainties are *** is observed that the use of common processes in manufacturing is always better than the non-commonality scenario in terms of production ***,the increase in capacity requirement for commonality designs is higher for an ideal system,while it is less when the system suffers from breakdowns and a quality problem.

关键词： Process commonality Mathematical model MRP II Quality Breakdown

Project Assessment in Offshore Software Maintenance Outsourcing Using Deep Extreme Learning Machines

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Computers, Materials & Continua 2023年第1期74卷 1871-1886页

作者： Atif Ikram Masita abdul Jalil Amir bin Ngah Saqib Raza ahmad Salman Khan Yasir Mahmood Nazri Kama Azri Azmi Assad Alzayed Faculty of Ocean Engineering Technology and Informatics University Malaysia TerengganuKuala NerusMalaysia Department of Computer Science&Information Technology Faculty of Information TechnologyThe University of LahoreLahore54000Pakistan Department of Software Engineering Faculty of Information TechnologyThe University of LahoreLahore54000Pakistan Advanced Informatics Department Razak Faculty of Technology and InformaticsUniversiti Teknologi Malaysia54100Kuala LumpurMalaysia Computer Science and Information Systems Department College of Business Studies Public Authority for Applied Education and Training(PAAET)AdailiyahKuwait Department of Computer Science Sharif College of Engineering&TechnologyLahore54000Pakistan

Software maintenance is the process of fixing,modifying,and improving software deliverables after they are delivered to the *** can benefit from offshore software maintenance outsourcing(OSMO)in different ways,including time savings,cost savings,and improving the software quality and *** of the hardest challenges for the OSMO vendor is to choose a suitable project among several clients’*** goal of the current study is to recommend a machine learning-based decision support system that OSMO vendors can utilize to forecast or assess the project of OSMO *** projects belong to OSMO vendors,having offices in developing countries while providing services to developed *** the current study,Extreme Learning Machine’s(ELM’s)variant called Deep Extreme Learning Machines(DELMs)is used.A novel dataset consisting of 195 projects data is proposed to train the model and to evaluate the overall efficiency of the proposed *** proposed DELM’s based model evaluations achieved 90.017%training accuracy having a value with 1.412×10^(-3) Root Mean Square Error(RMSE)and 85.772%testing accuracy with 1.569×10^(-3) RMSE with five DELMs hidden *** results express that the suggested model has gained a notable recognition rate in comparison to any previous *** current study also concludes DELMs as the most applicable and useful technique for OSMO client’s project assessment.

关键词： Software outsourcing deep extreme learning machine(DELM) machine learning(ML) extreme learning machine assessment

Encryption Algorithm for Securing Non-Disclosure Agreements in Outsourcing Offshore Software Maintenance

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Computers, Materials & Continua 2022年第11期73卷 3827-3845页

作者： Atif Ikram Masita abdul Jalil Amir bin Ngah Nadeem Iqbal Nazri Kama Azri Azmi ahmad Salman Khan Yasir Mahmood Assad Alzayed Faculty of Ocean Engineering Technology and Informatics University Malaysia TerengganuKuala TerengganuMalaysia Department of Computer Science&Information Technology Faculty of Information TechnologyThe University of LahoreLahore54000Pakistan Department of Software Engineering Faculty of Information TechnologyThe University of LahoreLahore54000Pakistan Advanced Informatics Department Razak Faculty of Technology and InformaticsUniversiti Teknologi Malaysia54100Kuala LumpurMalaysia Computer Science and Information Systems Department College of Business Studies Public Authority for Applied Education and Training(PAAET)AdailiyaKuwait

Properly created and securely communicated,non-disclosure agreement(NDA)can resolve most of the common disputes related to outsourcing of offshore software maintenance(OSMO).Occasionally,these NDAs are in the form of *** the work is done offshore,these agreements or images must be shared through the Internet or stored over the *** breach of privacy,on the other hand,is a potential threat for the image owners as both the Internet and cloud servers are not void of *** article proposes a novel algorithm for securing the NDAs in the form of *** an agreement is signed between the two parties,it will be encrypted before sending to the cloud server or travelling through the public network,the *** the image is input to the algorithm,its pixels would be scrambled through the set of randomly generated rectangles for an arbitrary amount of *** confusion effects have been realized through an XOR operation between the confused image,and chaotic ***,5D multi-wing hyperchaotic system has been employed to spawn the chaotic vectors due to good properties of chaoticity it *** machine experimentation and the security analysis through a comprehensive set of validation metric vividly demonstrate the robustness,defiance to the multifarious threats and the prospects for some real-world application of the proposed encryption algorithm for the NDA images.

关键词： Non-disclosure agreement encryption decryption secret key chaoticmap confusion diffusion

Identification of potential inhibitors for Sterol C-24 reductase of Leishmania donovani through virtual screening of natural compounds

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BIOCELL 2021年第6期45卷 1601-1610页

作者： FAZLUR RAHMAN SHAMS TABREZ RAHAT ALI SAJJADUL kadir AKAND MOHAMMED AALAIDAROUS MOHAMMED ALSAWEED BADER MOHAMMED ALSHEHRI SAEED BANAWAS ABDUR RUB abdul AZIZ bin DUKHYIL Infection and Immunity Laboratory(414) Department of BiotechnologyJamia Millia Islamia-A Central UniversityNew Delhi110025India Department of Medical Laboratory Sciences College of Applied Medical SciencesMajmaah UniversityAl Majmaah11952Saudi Arabia Health and Basic Sciences Research Center Majmaah UniversityAl Majmaah11952Saudi Arabia

Leishmaniasis is a vector-borne parasitic neglected tropical disease caused by a group of about 30 different species of the genus *** is transmitted by the bite of female phlebotomies sand *** main clinical manifestations of leishmaniasis include cutaneous,visceral,and mucocutaneous *** leishmaniasis(VL)caused by Leishmania donovani,is an infection of reticuloendothelial system and fatal if ***,a sterol that is prominent in the mammalian cell membranes whereas stigmasterol and ergosterol are more prevalent in plants,yeast,and protozoa,*** which is absent in human being,is an important constituent of parasite *** C-24 reductase(LdSR)enzyme catalyzes the final step in the ergosterol biosynthesis *** inhibition of biosynthesis of ergosterol may lead to decreased cell viability and ***,we performed the molecular docking-based virtual screening of a library of natural ligands against LdSR to identify a potential inhibitor to fight ***,prenyletin,flavan-3-ol,resveratrol,and gingerol showed the top binding affinity towards *** upon ADME properties and bioactivity score,gingerol showed the best lead-likeness and drug-likeness ***,we further annotated its leishmanicidal *** found that gingerol inhibited the growth and proliferation of promastigotes as well as intra-macrophagic *** exerted its antileishmanial action through the induction of reactive oxygen species(ROS)in concentration-dependent *** induced ROS led to ***,this study described that gingerol would act as possible inhibitor to LdSR.

关键词： Leishmania Gingerol Sterol C-24 reductase Molecular docking ROS

A mouse model of weight-drop closed head injury:emphasis on cognitive and neurological deficiency

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Neural Regeneration Research 2016年第4期11卷 630-635页

作者： Igor Khalin Nor Laili Azua Jamari Nadiawati Bt abdul Razak Zubaidah Bt Hasain Mohd Asri bin Mohd Nor Mohd Hakimi bin ahmad Zainudin Ainsah Bt Omar Renad Alyautdin Faculty of Medicine and Defence Health National Defence University of MalaysiaKem Sungai BesiKuala LumpurMalaysia Chemistry Department Centre for Defence Foundation StudiesNational Defence University of MalaysiaKem Sungai BesiKuala LumpurMalaysia Department of Civil Engineering Faculty of EngineeringNational Defence University of MalaysiaKem Sungai BesiKuala LumpurMalaysia Centre for Research and Innovation Management National Defence University of MalaysiaKem Sungai BesiKuala LumpurMalaysia Scientific Centre for Expertise of Medical Application Products Petrovsky BlvdMoscowRussia

Traumatic brain injury（TBI） is a leading cause of death and disability in individuals *** a clinically relevant TBI model in small-sized animals remains fairly *** good screening of potential therapeutics,which are effective in the treatment of TBI,animal models of TBI should be established and *** this study,we established mouse models of closed head injury using the Shohami weight-drop method with some modifications concerning cognitive deficiency assessment and provided a detailed description of the severe TBI animal *** found that 250 g falling weight from 2 cm height produced severe closed head injury in C57BL/6 male *** disorders in mice with severe closed head injury could be detected using passive avoidance test on day 7 after *** from this study indicate that weight-drop injury animal models are suitable for further screening of brain neuroprotectants and potentially are similar to those seen in human TBI.

关键词： nerve regeneration traumatic brain injury neurological severity score passive avoidance weightdrop injury model C57BL/6 mice neural regeneration

Secure Transmission of Compressed Medical Image Sequences on Communication Networks Using Motion Vector Watermarking

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Computers, Materials & Continua 2024年第3期78卷 3283-3301页

作者： Rafi Ullah Mohd Hilmi bin Hasan Sultan Daud Khan Mussadiq abdul Rahim Computer and Information Sciences Department Universiti Teknologi PETRONASBandar Seri Iskandar Perak32610Malaysia Department of Computer Science National University of TechnologyIslamabad46000Pakistan Interdisciplinary Research Center for Intelligent Secure Systems King Fahd University of Petroleum and MineralsDammam31261Saudi Arabia

Medical imaging plays a key role within modern hospital management systems for diagnostic *** methodologies are extensively employed to mitigate storage demands and enhance transmission speed,all while upholding image ***,an increasing number of hospitals are embracing cloud computing for patient data storage,necessitating meticulous scrutiny of server security and privacy ***,considering the widespread availability of multimedia tools,the preservation of digital data integrity surpasses the significance of compression *** response to this concern,we propose a secure storage and transmission solution for compressed medical image sequences,such as ultrasound images,utilizing a motion vector watermarking *** watermark is generated employing an error-correcting code known as Bose-Chaudhuri-Hocquenghem(BCH)and is subsequently embedded into the compressed sequence via block-based motion *** the process of watermark embedding,motion vectors are selected based on their magnitude and phase *** embedding watermarks,no specific spatial area,such as a region of interest(ROI),is used in the *** embedding of watermark bits is dependent on motion *** reversible watermarking allows the restoration of the original image sequences,we use the irreversible watermarking *** reason for this is that the use of reversible watermarks may impede the claims of ownership and legal *** restoration of original data or images may call into question ownership or other legal *** peak signal-to-noise ratio(PSNR)and structural similarity index(SSIM)serve as metrics for evaluating the watermarked image *** all images,the PSNR value exceeds 46 dB,and the SSIM value exceeds *** results substantiate the efficacy of the proposed technique in preserving data integrity.

关键词： Block matching algorithm(BMA) compression full-search algorithm motion vectors ultrasound image sequence watermarking

Influence of postural changes on haemodynamics in internal carotid artery bifurcation aneurysm using numerical methods

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Visual Computing for Industry,Biomedicine,and Art 2022年第1期5卷 128-143页

作者： Raghuvir Pai Ballambat Mohammad Zuber Shah Mohammed abdul Khader Anurag Ayachit Kamarul Arifin bin ahmad Rajanikanth ao Vedula Sevagur Ganesh Kamath Ibrahim Lutfi Shuaib Department of Mechanical and Industrial Engineering Manipal Institute of TechnologyManipal Academy of Higher EducationManipal 576104India Department of Aeronautical and Automobile Engineering Manipal Institute of TechnologyManipal Academy of Higher EducationManipal 576104India Department of Radiology and Imaging Kasturba Medical CollegeManipal Academy of Higher EducationManipal 576104India Department of Aerospace Engineering Faculty of EngineeringUniversitist Putra Malaysia43499 Kuala LumpurMalaysia Department of Cardio-Vascular and Thoracic Surgery Kasturba Medical CollegeManipal Academy of Higher EducationManipal 576104India Advanced Medical and Dental Institute Universiti Sains Malaysia13200 George TownMalaysia

Cerebral intracranial aneurysms are serious problems that can lead to stroke,coma,and even *** effect of blood flow on cerebral aneurysms and their relationship with rupture are *** addition,postural changes and their relevance to haemodynamics of blood flow are difficult to measure in vivo using clinical imaging *** simulations investigating the detailed haemodynamics in cerebral aneurysms have been developed in recent times not only to understand the progression and rupture but also for clinical evaluation and *** the present study,the haemodynamics of a patient-specific case of a large aneurysm on the left side internal carotid bifurcation(LICA)and no aneurysm on the right side internal carotid bifurcation(RICA)was *** simulation of these patient-specific models using fluid–structure interaction provides a valuable comparison of flow behavior between normal and aneurysm *** influences of postural changes were investigated during standing,sleeping,and head-down(HD)*** changes in flow were observed during the HD position and quit high arterial blood pressure in the internal carotid artery(ICA)aneurysm model was established when compared to the normal ICA *** velocity increased abruptly during the HD position by more than four times(LICA and RICA)and wall shear stress by four times(LICA)to ten times(RICA).The complex spiral flow and higher pressures prevailing within the dome increase the risk of aneurysm rupture.

关键词： Carotid aneurysm ANSYS fluid-structure interaction Altered gravity Haemodynamics