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A Comparative Analysis of RAD and Agile Technique for Management of Computing Graduation Projects

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Computers, Materials & Continua 2020年第8期64卷 777-796页

作者： Fazal Qudus Khan Saim Rasheed Maged Alsheshtawi Tarig Mohamed Ahmed sadeeq jan Department of Information Technology FCITKing Abdulaziz UniversityJeddahSaudi Arabia University of Khartoum Department of Computer ScienceKhartoumSudan Department of Computer Science&IT University of Engineering and TechnologyPeshawarPakistan

Computing students face the problem with time and quality of the work while managing their graduation/senior *** Application Development(RAD)model is based on continual user involvement for the process of requirement gathering via *** each iteration,the developers can validate the requirements that are completed in the *** a project with RAD is easier but not *** the other hand,Agile project management techniques focus on flexibility,agility,teamwork and quality based on user *** user involvement is avoided,which requires extensive maintenance time for fixing iteration and release of the story *** also makes it necessary to provide onsite training to the users of the *** research provides the pros and cons of RAD and Agile project management techniques,to help students in deciding the best approach for managing their graduation *** the evaluation of these techniques,similar case studies were given to the senior project students(having similar CGPAs)for building similar functionality-based *** two projects“Life Organizer”developed and managed using RAD and“Smart Patient Assistant(SPA)”developed and managed through Agile methodology were evaluated against the quality assurance criteria for senior *** study found that the project developed with RAD methodology performed 13.33%better in providing extensive and elaborated documentation than the students following the Agile *** the other hand,SPA-Agile based project,due to teamwork had 2.5%better implementation than Life Organizer-RAD based project.

关键词： Rapid application development prototyping agile project management smart application development graduation project thesis

Reverse Engineering of Mobile Banking Applications

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Computer Systems Science & Engineering 2021年第9期38卷 265-278页

作者： Syeda Warda Asher sadeeq jan George Tsaramirsis Fazal Qudus Khan Abdullah Khalil Muhammad Obaidullah National Center for Cyber Security Department of Computer Science&Information TechnologyUniversity of Engineering&TechnologyPeshawar25120Pakistan Higher Colleges of Technology Abu Dhabi Women’s CollegeAbu DhabiUAE Department of Information Technology Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Computer Software Engineering University of Engineering&TechnologyMardan23200Pakistan

Software reverse engineering is the process of analyzing a software system to extract the design and implementation *** engineering provides the source code of an application,the insight view of the architecture and the third-party *** a security perspective,it is mostly used for finding vulnerabilities and attacking or cracking an *** process is carried out either by obtaining the code in plaintext or reading it through the binaries or ***,reverse engineering is widely used for mobile applications and is considered a security *** Open Web Application Security Project(OWASP),a leading security research forum,has included reverse engineering in its top 10 list of mobile application *** applications are used in many sectors,e.g.,banking,education,*** particular,the banking applications are critical in terms of security as they are used for financial transactions.A security breach of such applications can result in huge financial losses for the customers as well as the *** exist various tools for reverse engineering of mobile applications,however,they have deficiencies,e.g.,complex configurations,lack of detailed analysis *** this research work,we perform an analysis of the available tools for reverse engineering of mobile *** dataset consists of the mobile banking applications of the banks providing services in *** results indicate that none of the existing tools can carry out the complete reverse engineering process as a standalone *** addition,we observe significant differences in terms of the execution time and the number of files generated by each tool for the same file.

关键词： Reverse engineering mobile banking applications security analysis

A Technical Framework for Selection of Autonomous UAV Navigation Technologies and Sensors

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Computers, Materials & Continua 2021年第8期68卷 2771-2790页

作者： Izzat Al-Darraji Morched Derbali Houssem Jerbi Fazal Qudus Khan sadeeq jan Dimitris Piromalis Georgios Tsaramirsis Department of Automated Manufacturing University of BaghdadBaghdadIraq Department of Mechanical Engineering University of KirkukIraq Department of Information Technology Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Industrial Engineering College of EngineeringUniversity of Ha’ilHail1234Saudi Arabia Department of Computer Science&IT University of Engineering&Technology PeshawarPakistan Department of Automation University of West AtticaAthensGreece Abu Dhabi Women’s College Higher Colleges of TechnologyAbu DhabiUAE

The autonomous navigation of an Unmanned Aerial Vehicle(UAV)relies heavily on the navigation *** UAV’s level of autonomy depends upon the various navigation systems,such as state measurement,mapping,and obstacle *** the correct components is a critical part of the design ***,this can be a particularly difficult task,especially for novices as there are several technologies and components available on the market,each with their own individual advantages and *** example,satellite-based navigation components should be avoided when designing indoor *** them in the design brings no added value to the final product and will simply lead to increased cost and power *** issue is the number of vendors on the market,each trying to sell their hardware solutions which often incorporate similar *** aim of this paper is to serve as a guide,proposing various methods to support the selection of fit-for-purpose technologies and components whilst avoiding system layout *** paper presents a study of the various navigation technologies and supports engineers in the selection of specific hardware solutions based on given *** selection methods are based on easy-to-follow flow charts.A comparison of the various hardware components specifications is also included as part of this work.

关键词： UAV navigation sensors selection UAV navigation autonomous navigation UAV development navigation sensors study navigation systems mapping systems obstacle-avoidance systems

A Framework for Systematic Classification of Assets for Security Testing

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Computers, Materials & Continua 2021年第1期66卷 631-645页

作者： sadeeq jan Omer Bin Tauqeer Fazal Qudus Khan George Tsaramirsis Awais Ahmad Iftikhar Ahmad Imran Maqsood Niamat Ullah National Center for Cyber Security Department of CS&ITUniversity of Engineering&TechnologyPeshawarPakistan Department of Information Technology FCITKing Abdulaziz UniversityJeddahSaudi Arabia Dipartimento di Informatica(DI) UniversitàDegli Studi di Milano StataleVia Celoria 18MilanoItaly Department of Computer Science&IT University of Engineering&TechnologyPeshawarPakistan Department of Software Engineering University of Engineering&TechnologyMardanPakistan University of Buner BunerPakistan

Over the last decade,a significant increase has been observed in the use of web-based Information systems that process sensitive information,e.g.,personal,financial,*** this increased use,the security of such systems became a crucial aspect to ensure safety,integrity and authenticity of the *** achieve the objectives of data safety,security testing is ***,with growth and diversity of information systems,it is challenging to apply security testing for each and every ***,it is important to classify the assets based on their required level of security using an appropriate *** this paper,we propose an asset security classification technique to classify the System Under Test(SUT)based on various factors such as system exposure,data criticality and security *** perform an extensive evaluation of our technique on a sample of 451 information ***,we use security testing on a sample extracted from the resulting prioritized systems to investigate the presence of *** technique achieved promising results of successfully assigning security levels to various assets in the tested environments and also found several vulnerabilities in them.

关键词： Security security testing privacy asset classification

A User-friendly Model for Ransomware Analysis Using Sandboxing

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Computers, Materials & Continua 2021年第6期67卷 3833-3846页

作者： Akhtar Kamal Morched Derbali sadeeq jan Javed Iqbal Bangash Fazal Qudus Khan Houssem Jerbi Rabeh Abbassi Gulzar Ahmad Department of Computer Science&Information Technology National Center for Cyber SecurityUniversity of Engineering&TechnologyPeshawar25120Pakistan Department of Information Technology Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Institute of Computer Sciences and Information Technology(ICS/IT) University of AgriculturePeshawar25130Pakistan Department of Industrial/Electrical Engineering College of EngineeringUniversity of Ha’ilHail1234Saudi Arabia Department of Electrical Engineering University of Engineering&TechnologyPeshawar25120Pakistan

Ransomware is a type of malicious software that blocks access to a computer by encrypting user’s files until a ransom is paid to the *** have been several reported high-profile ransomware attacks including WannaCry,Petya,and Bad Rabbit resulting in losses of over a billion dollars to various individuals and businesses in the *** analysis of ransomware is often carried out via sandbox environments;however,the initial setup and configuration of such environments is a challenging ***,it is difficult for an ordinary computer user to correctly interpret the complex results presented in the reports generated by such environments and analysis *** this research work,we aim to develop a user-friendly model to understand the taxonomy and analysis of ransomware ***,we aim to present the results of analysis in the form of summarized reports that can easily be understood by an ordinary computer *** model is built on top of the well-known Cuckoo sandbox environment for identification of the ransomware as well as generation of the summarized *** addition,for evaluating the usability and accessibility of our proposed model,we conduct a comprehensive user survey consisting of participants from various fields,e.g.,professional developers from software houses,people from academia(professors,students).Our evaluation results demonstrate a positive feedback of approximately 92%on the usability of our proposed model.

关键词： Ransomware sandbox user-friendly model survey

Takagi–Sugeno Fuzzy Modeling and Control for Effective Robotic Manipulator Motion

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Computers, Materials & Continua 2022年第4期71卷 1011-1024页

作者： Izzat Al-Darraji Ayad AKakei Ayad Ghany Ismaeel Georgios Tsaramirsis Fazal Qudus Khan Princy Randhawa Muath Alrammal sadeeq jan Department of Automated Manufacturing University of BaghdadBaghdad10001Iraq Department of Mechanical Engineering University of KirkukKirkuk36001Iraq Department of Computer Technical Engineering Al-kitab UniversityKirkuk36001Iraq Higher Colleges of Technology Abu Dhabi Women’s CollegeAbu Dhabi41012UAE Department of Computer Science University of SwatShangla CampusAlpurai19100ShanglaPakistan Department of Mechatronics Engineering Manipal University JaipurJaipur302004India Department of Computer Science&IT University of Engineering&Technology PeshawarPeshawar25000Pakistan

Robotic manipulators are widely used in applications that require fast and precise *** devices,however,are prompt to nonlinear control issues due to the flexibility in joints and the friction in the motors within the dynamics of their rigid *** address these issues,the Linear Matrix Inequalities(LMIs)and Parallel Distributed Compensation(PDC)approaches are implemented in the Takagy–Sugeno Fuzzy Model(T-SFM).We propose the following methodology;initially,the state space equations of the nonlinear manipulator model are ***,a Takagy–Sugeno Fuzzy Model(T-SFM)technique is used for linearizing the state space equations of the nonlinear *** T-SFM controller is developed using the Parallel Distributed Compensation(PDC)*** prime concept of the designed controller is to compensate for all the fuzzy ***,the Linear Matrix Inequalities(LMIs)are applied to generate adequate cases to ensure stability and *** programming methods are applied to solve the developed LMIs *** developed for the proposed model show that the proposed controller stabilized the system with zero tracking error in less than 1.5 s.

关键词： Nonlinear robot manipulator precise fast robot motion flexible joints motor friction Takagy-Sugeno fuzzy control modeling nonlinear flexible robot system

Fault Tolerant Suffix Trees

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Computers, Materials & Continua 2021年第1期66卷 157-164页

作者： Iftikhar Ahmad Syed Zulfiqar Ali Shah Ambreen Shahnaz sadeeq jan Salma Noor Wajeeha Khalil Fazal Qudus Khan Muhammad Iftikhar Khan Department of Computer Science and Information Technology University of Engineering and TechnologyPeshawar25120Pakistan Department of Computer Science Shaheed Benazir Bhutto Women UniversityPeshawar25000Pakistan Department of Information Technology FCITKing Abdulaziz UniversityJeddahSaudi Arabia Department of Electrical Engineering University of Engineering and TechnologyPeshawar25120Pakistan

Classical algorithms and data structures assume that the underlying memory is reliable,and the data remain safe during or after ***,the assumption is perilous as several studies have shown that large and inexpensive memories are vulnerable to bit ***,the correctness of output of a classical algorithm can be threatened by a few memory *** tolerant data structures and resilient algorithms are developed to tolerate a limited number of faults and provide a correct output based on the uncorrupted part of the *** tree is one of the important data structures that has widespread applications including substring search,super string problem and data *** fault tolerant version of the suffix tree presented in the literature uses complex techniques of encodable and decodable error-correcting codes,blocked data structures and fault-resistant *** this work,we use the natural approach of data replication to develop a fault tolerant suffix tree based on the faulty memory random access machine *** proposed data structure stores copies of the indices to sustain memory faults injected by an *** develop a resilient version of the Ukkonen’s algorithm for constructing the fault tolerant suffix tree and derive an upper bound on the number of corrupt suffixes.

关键词： Resilient data structures fault tolerant data structures suffix tree

Liver transplantation and liver resection as alternative treatments for primary hepatobiliary and secondary liver tumors: Competitors or allies?

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Hepatobiliary & Pancreatic Diseases International 2024年第2期23卷 111-116页

作者： jan Lerut Institute for Experimental and Clinical Research(IREC) Universitécatholique Louvain(UCL)Avenue Hippocrate 561200 Woluwe Saint PierreBrusselsBelgium

Although Starzl designed in the 1960’s liver transplantation(LT)to treat unresectable primary and also secondary liver tumors,transplantation still occupies a(too)small place in the respective therapeutic algorithms[1].Due to the lack of(any)selection criteria,the concept of transplantation became rapidly challenged because of the prohibitively high incidence of tumor recurrence[1–3].

关键词： liver tumors Liver

Potential of molecular chaperones for treating Alzheimer’s disease

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Neural Regeneration Research 2024年第11期19卷 2343-2344页

作者： Gefei Chen jan Johansson Department of Biosciences and Nutrition Karolinska InstitutetHuddingeSweden Department of Cell and Molecular Biology Uppsala UniversityUppsalaSweden

Alzheimer’s disease(AD)is the most prevalent form of dementia,i.e.,progressive memory loss and profound cognitive dysfunction,resulting in a considerable societal *** the neuropathological level,the brains of AD patients exhibit amyloid-β(Aβ)plaques,neurofibrillary tangles,and neuroinflammation(Sala Frigerio and De Strooper,2016).

关键词： Alzheimer inflammation Aβ