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A Review On Software Quality Attributes for Web-based Application
Abstract
Web-Based Applications (WBA) are fast becoming more extensive, larger, more interactive, and more crucial to the international use of computers in this era. The most popular WBA companies are beginning to realize that key critical factors of success or failure of any WBA must be highly dependable on supplying a high quality web site or content. To accomplish the desired quality of WBA, it is essential to recommend a model that organizes and enables the identification of WBA quality perspectives. This paper addresses basic software quality model and WBA quality model and describes its categorizes of its quality factors. ISO 9126 standard for software engineering product quality are being discussed in detail for software products based on previous study.
Keywords: quality attribute, software quality model, web-based application
... The research on evaluating the quality of academic portal systems has been carried out by [6][7][8][9][10], discussing quality characteristic identification of software on academic application in higher education institutions (HEI), [11][12] research on the performance efficiency assessment for software systems. Academic and research libraries' portals [13]. ...
ISO 9126 standard provides very important key indicators as a basis for improving the quality of academic portals. The demands of users' needs for providing good quality academic portal services for students, and the time problems available in system maintenance motivate us to evaluate the main indicators of web performance that affect the performance of academic portals. This study aims to evaluate the performance of academic portals to determine the factors that influence service quality using the ISO 9126 quality model from the characteristics of reliability, efficiency, and usability academic portals in one of the Private Higher Education. Based on the measurement results of page loading time on the academic portal, it’s stated that the quality of reliability characteristics is recommended to reduce page load time, which should not exceed 3 seconds. Results of quality measurement based on recommendations from Google's Page Speed obtained values with Grade D (66%) and recommendations from Page YS-Low with Grade D (67%). The results of the quality evaluation for usability characteristics recommend 4 items that fall into the category of small problems with a low priority level of improvement, and improvements needed.
Today, when a company designs, develops and manufactures goods or services, it must not only target a high level of quality for the products to satisfy customers, but also comply with many standards and regulations. This is particularly true with transportation systems where we can name few famous standards and guidelines: the ISO 26262 [1] addresses the software functional safety in automotive, the ARP4754 [2] provides guidelines for the development of civil aircrafts, and the DO-178C addresses software safety [3] in aeronautics. Furthermore, these safety guidelines impose to the company to be at the state of the art for processes and methods, when designing and developing a new vehicle.In the context of automotive systems’ development, our research aims to strengthen and unify quality definition, assessment, control, or prediction activities for automotive embedded software. Thus, to resolve this problematic, first we have to explore quality concept, qualimetry -the science of quality quantification [4]-, and the state of the art about quality modeling for embedded software. The result is not only to popularize and synthetize the knowledge behind these complex concepts but also, to confirm the choice of qualimetry as the right approach to solve our problematic, for which no proper solution exists yet.We then continue our study considering biology as key factor in our research. Therefore, we create a classified collection of clades of more than 450 quality models for software. We select the most appropriate quality model from this pool of quality models, and after introducing the concept of polymorphism in quality modeling, we demonstrate how to adapt and operationalize this model to automotive embedded software. This last achievement consequently replies to our original problematic.As a further conclusion of our research, we finally investigate whether a unique quality model for software product, as Zouheyr Tamrabet et al. [5] aim to propose, is more appropriate than a meta-model as quality model aggregator for software product, giving a first glimpse of the model result whose qualifier is the genome of software quality model.[1] “ISO 26262-6:2011 - Road vehicles - Functional safety - Part 6: Product development at the software level,” International Organization for Standardization, 2011.[2] “ARP4754A - Guidelines for Development of Civil Aircraft and Systems,” SAE International, Dec. 2010, [Online]. Available: https://www.sae.org/standards/content/arp4754a/.[3] “DO-178C - Software Considerations in Airborne Systems and Equipment Certification,” Radio Technical Commission for Aeronautics, Dec. 2011, [Online]. Available: https://my.rtca.org/NC__Product?id=a1B36000001IcmqEAC.[4] G. G. Azgaldov et al., “Qualimetry: the Science of Product Quality Assessment,” Standart y i kachest vo, no. 1, 1968.[5] Zouheyr Tamrabet, Toufik Marir, and Farid MOKHATI, “A Survey on Quality Attributes and Quality Models for Embedded Software,” International Journal of Embedded and Real-Time Communication Systems (IJERTCS), vol. 9, no. 2, pp. 1–17, 2018, doi: 10.4018/IJERTCS.2018070101.
This paper describes the application of Rasch Measurement Model in determining unidimensionality and validity of research instruments used in the study. A study was conducted to identify the quality attributes for Web-based Integrated Student Assessment (WBISA) application in Public Institution. A set of quality attributes have been established based on past studies and literature. Samples obtained in the study were 65 using clustering sampling technique. Respondents consisted of academicians from public institutions using any WBISA application. WBISA was assessed using a survey questionnaire consisting of 6l items with responses in Likert-scale format. There were 8 constructs involved: Usability, Reliability, Efficiency, Functionality, Supportability, Availability, Security, and Integrity. The Rasch analysis included Summary Statistics, Unidimensionality, Item Dependency, ltem Misfit, Item Polarity and Person-Item-Map-Distribution (PIDM).
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