Zulkefli Bin Mansor

Zulkefli Bin Mansor
Universiti Kebangsaan Malaysia | ukm · Faculty of Information Science and Technology

PhD (Software Engineering),

About

73
Publications
57,601
Reads
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565
Citations
Citations since 2016
43 Research Items
540 Citations
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2016201720182019202020212022020406080100
2016201720182019202020212022020406080100
2016201720182019202020212022020406080100
Additional affiliations
February 2015 - present
Universiti Kebangsaan Malaysia
Position
  • Senior Researcher
July 2008 - February 2015
UNISEL | Universiti Selangor
Position
  • Academician
August 2005 - present
University of Malaya
Position
  • Cost Estimation in Web Based Appllication
Description
  • COCOMO II, Expert Judgment, Web-Based Application Cost Estimation
Education
December 2009 - May 2013
Universiti Teknologi MARA
Field of study
  • Cost Management in Agile SDP
June 2004 - June 2009
University of Malaya
Field of study
  • Software Cost Estimation
February 2001 - August 2003
University of East London
Field of study
  • Business Information System

Publications

Publications (73)
Article
Full-text available
Rao algorithms that include three algorithms are very simple and parameter-less algorithms with effective and desirable performance. This paper modifies these three algorithms, merges them, and establishes a powerful group algorithm. In the first optimization step, the suggested algorithm is tested on 30 standard CEC2014 functions with 50 dimension...
Article
Full-text available
Software cost estimation (SCE) can be substantial challenges in software development as it could yield inaccurate results. The SCE failure influences project sustainability which might lead to additional costs and times to complete the project. Previous research has provided empirical evidence that the unsuccessfulness of software cost estimation i...
Preprint
Full-text available
Cardiovascular disease is one of the most challenging diseases in middle-aged and older people, which causes high mortality. Coronary artery disease (CAD) is known as a common cardiovascular disease. A standard clinical tool for diagnosing CAD is angiography. The main challenges are dangerous side effects and high angiography costs. Today, the deve...
Article
Full-text available
Cardiovascular disease is one of the most challenging diseases in middle-aged and older people, which causes high mortality. Coronary artery disease (CAD) is known as a common cardiovascular disease. A standard clinical tool for diagnosing CAD is angiography. The main challenges are dangerous side effects and high angiography costs. Today, the deve...
Article
Full-text available
Today's intelligent computing environments, including the Internet of Things (IoT), Cloud Computing (CC), Fog Computing (FC), and Edge Computing (EC), allow many organizations worldwide to optimize their resource allocation regarding the quality of service and energy consumption. Due to the acute conditions of utilizing resources by users and the r...
Article
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The productivity of researchers and the impact of the work they do are a preoccupation of universities, research funding agencies, and sometimes even researchers themselves. The h-index (h) is the most popular of different metrics to measure these activities. This research deals with presenting a practical approach to model the h-index based on the...
Article
Full-text available
In order to improve performance and robustness of clustering, it is proposed to generate and aggregate a number of primary clusters via clustering ensemble technique. Fuzzy clustering ensemble approaches attempt to improve the performance of fuzzy clustering tasks. However, in these approaches, cluster (or clustering) reliability has not paid much...
Article
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Taking into account the increasing volume of text documents, automatic summarization is one of the important tools for quick and optimal utilization of such sources. Automatic summarization is a text compression process for producing a shorter document in order to quickly access the important goals and main features of the input document. In this s...
Article
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An invariant can be described as an essential relationship between program variables. The invariants are very useful in software checking and verification. The tools that are used to detect invariants are invariant detectors. There are two types of invariant detectors: dynamic invariant detectors and static invariant detectors. Daikon software is a...
Article
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In this study, a new approach to basis of intelligent systems and machine learning algorithms is introduced for solving singular multi-pantograph differential equations (SMDEs). For the first time, a type-2 fuzzy logic based approach is formulated to find an approximated solution. The rules of the suggested type-2 fuzzy logic system (T2-FLS) are op...
Article
Full-text available
Knowledge Management (KM) is one of the most important capitals in this era. Properly managing knowledge would help in problem-solving and decision making. However, managing knowledge is not a simple task. Malaysian agencies are predominantly known as knowledge-based organization. KM has been adapted into both public and private agencies quite some...
Article
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The numbers of confirmed cases of new coronavirus (Covid-19) are increased daily in different countries. To determine the policies and plans, the study of the relations between the distributions of the spread of this virus in other countries is critical. In this work, the distributions of the spread of Covid-19 in Unites States America, Spain, Ital...
Article
Full-text available
Software Configuration Management (SCM) is a process that supports Software Development Life Cycle (SDLC), which benefits project management, development activities, maintenance activities, quality assurance activities, and the end users of the software product. However, findings from series of interviews have proven that SCM is difficult to operat...
Article
Rapid and unpredictable technology advancements cause a rise in demand for software products that can be delivered faster, adapt to volatile changes and save cost. Over the years, Agile Software Development (ASD) becomes more suitable as the software process that can cater to those demands while still maintaining the quality desired. With this Agil...
Article
Full-text available
Agile marketing is an iterative approach towards marketing strategy planning and implementation using frameworks like Scrum, Kanban and other Agile methodologies. This study aims to understand how agile can be adopted as a marketing strategy in higher education industry especially in Private Higher Education Institutions (PHEIs). This is because pr...
Article
Full-text available
Business intelligence and analytics (BIA) is emerging as a critical area to boost organizational performance. Nowadays, data is not only important and valuable to the organization but recognized as necessary to spike the organization performance and success. As a result, many organizations spend a considerable amount of investment toward obtaining...
Article
Software testing outsourcing appears to be the best alternative to acquire better software quality with competent ratification by extrinsic parties who have the capability to do it. Through the effort, organizations are peeking to promising benefits constitute in it such as current testing technology, experts, an abridgment of the project's duratio...
Article
Full-text available
In recent years, the current globalization has revolutionized transformed the landscape and ecosystem of the institution of higher education were demanding that the university transition from legacy system to Enterprise Resource Planning (ERP) system on enhancing university competitiveness. This shift requires the entire organization to be ready fo...
Article
Full-text available
Knowledge Management (KM) is a systematic approach in creating, sharing, using and managing information effectively sustain knowledge regardless public or private organizations. It helps organizations to make better decision making in order to achieve the goals and increase the productivity. However, many public organizations are still facing chall...
Article
Software cost estimation (SCE) in software management can be a complicated task, as it could yield inaccurate results. Based on new empirical evidence, Public sectors more often face estimation failure, which causes projects to over shoot budgets, get delayed, face termination or the project scope or requirement to remain incomplete. Hence, the mai...
Article
Full-text available
There are many issues and challenges in Software Configuration Management (SCM) that should be considered when practicing SCM. The issues have already made known in 90s but still has been neglected by some of the practitioners due to lack of SCM technology to solve SCM’s complex problems and the needs for better understanding of SCM. The challenges...
Article
Full-text available
Currently, the exchange of patient information continues to be a challenge. The growing demand for health care makes it necessary to enhance the exchange of health-related information efficiently. IoT makes data available easily to exchange health-related information for health professionals'. Internet of Things (IoT) services can improve the quali...
Article
Full-text available
Currently, the exchange of patient information continues to be a challenge. The growing demand for health care makes it necessary to enhance the efficiency of the health care service. The use of Internet of Things services in the healthcare domain can improve the quality of life and help health care professionals in their decisio n-making. It easil...
Article
IT services such as software development, application maintenance, disaster recovery, help desk, network and operations are critical and highly demanded to better support the operations and management of organizations, especially in the government sector. The government sector faces various problems in providing IT services due to constraints or la...
Article
Full-text available
Managing cost in any software development project become more challenging and sensitive these days. This is due to the complexity of the processes and the demand by the stakeholders that really requires high competent of project managers to manage the project cost effectively. Most of project managers agreed that managing cost effectively is very i...
Article
Full-text available
In software development project, cost management has been identified as one of the challenges aspect should be faced by the project community. Poor cost management will affect the software projects such as project delay and cost overrun. Therefore, his paper tries to look into the issues and challenges faced by the Project Manager when they manage...
Article
Full-text available
Agile cost management is seen interesting to be concerned due to enhancement of the development processes. By fixing the time, cost and requirements will help project managers to concentrate to the development processes. Therefore, the competent project manager is required to adopt with the new processes especially in managing the cost. By having c...
Article
The implementation of business intelligence (BI) and big data analytic (BDA) in managing organizational performance especially in public sector is important and critical. Weakness in managing the implementation strategy and the performance can result a massive impact to people and nation. Therefore, integration of BI and BDA are necessity to assist...
Article
In this research work, for the first time, the adaptive neuro fuzzy inference system (ANFIS) is employed to propose an approach for identifying the most significant parameters for prediction of daily dew point temperature (Tdew). The ANFIS process for variable selection is implemented, which includes a number of ways to recognize the parameters off...
Article
Full-text available
Securing information is essential for safeguarding an organization business operation since information is a valuable asset for the organization. One of the most vital information security controls is information security awareness and practice. The purpose of this study is to assess the levels of information security awareness and practice among f...
Conference Paper
Full-text available
Project team is usually entrusted with a vital role in producing quality products and improving the productivity of an organization. Furthermore, communication is the main element in organizing a project. Without an effective communication tools, obstructions will occur hence preventing the project team in communication. Thus, Social media stands o...
Conference Paper
Full-text available
The current growth of agile software development project (ASDP) continues to be more significant in the software industry. Project managers have important role to play in ensuring success of project. The success of a project depends on the competency of the project manager. Realizing on the lack of research on the project manager competency in ASDP...
Article
Full-text available
The past few years have witnessed dynamic changes in the field of software project management. These provided evidence of the strength of agile methodologies as a strategy that can speed up the development of rhythms and growth of innovation. Managing a project involves a complexity of requirements and developmental processes. This provides challen...
Conference Paper
Full-text available
Many studies have evaluated the successfulness of agile software development project (ASDP). One of the factors contributing to the project success is the agile project manager competency. The important elements of competency include skills, knowledge, experience, and personal attributes. Despite the large body of research on agile project, there i...
Conference Paper
Full-text available
The past few years have witnessed dynamic changes in the field of software project management. These provided evidence of the strength of agile methodologies as a strategy that can speed up the development of rhythms and growth of innovation. Managing a project involves a complexity of requirements and developmental processes. This provides challen...
Conference Paper
With rapid changes in technology and increased competition in the global and domestic business levels, cost management becomes a significant main activity in contributing profits in the corporate world, especially in the software development projects. Increasingly complex activities and processes in software development project today, making the co...
Conference Paper
Full-text available
Ineffective cost management in software development causes project over budget and strongly contributed to project failure. Due to that, it is important to look at the success determinants that help software development community to have better cost management of the project. This paper identifies the success determinants in agile based software de...
Conference Paper
Full-text available
Timetabling problems have attracted the continuing interest of researchers mainly because they provide the opportunity of testing combinatorial solution methods in formulations that represent difficult practical problems. In general, the problem is about building an automated system to be used with a very well-known algorithm to generate the time t...
Article
Cost management is seen quite easy to manage, especially in agile software development projects. With the principle everything will be fixed, the process to manage cost become simpler. By fixing the time, cost and requirements will help project managers concentrate to the development process. A competency is the set of behavioral patterns that can...
Article
Full-text available
Project management is considered as an important element of certain domains including Information Technology (IT) and its main importance of the infrastructure of concern domain. Improvement in success of the project mainly depends on the proper management. Vague system understanding and improper documentation are the basic reasons for failure...
Article
Full-text available
One of the crucial matters in software development is to what extent users can satisfy with the interfaces and functions provided. In order to measure whether the users are satisfied to use the software or tools, we need to evaluate the product before handover to the customer. However, the tools or instrument to be chosen to evaluate the product is...
Data
Ineffective cost management in software development causes project over budget and strongly contributed to project failure. Due to that, it is important to look at the success determinants that help software development community to have better cost management of the project. This paper identifies the success determinants in agile based software de...
Conference Paper
Cost estimation process becomes a crucial factor in any software development project. There are many previous researches discussed the success factors that influence in software development project. This paper aimed to discuss factors that influences to the successful of cost estimation process in software development project. Literature survey is...
Conference Paper
Full-text available
Choosing the right method in software development methodology will determine the success of software development. Current trend in software development project is by adopting agile method as the methodology. Software development community claimed that agile helps in determine a project achievement. This paper aimed to discuss the determinants that...
Article
Full-text available
Business intelligence (BI) is a business management term which refers to applications and technologies which are used to gather, provide access to and analyse data and information about an organisation’s operations. Business intelligence provides insights that will enable the key players of the organisation to make tactical decisions, as well as to...
Article
Full-text available
Business Intelligence (BI) is among the top 5 priorities of CIO technology priorities for providing improvement on decision making and operational efficiencies that drive top-line revenue and bottom-line profitability (GARTNER RAS CORE RESEARH, 2010), yet few studies have assessed its practices in general and critical success factors in particular....
Article
Full-text available
Software development project is one of the important areas in software engineering. Many researches have been conducted and looked into issues in software development project such as methodology used, costing, challenges, type of project and many more. However, the most crucial issues in software development project are costing. Moreover, current t...