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Integrated MARTE-based Model for Designing Component-Based Embedded Real-Time Software
Mohd Z. M. Zaki,Dayang N. A. Jawawi,Mohd Adham Isa 보안공학연구지원센터 2015 International Journal of Software Engineering and Vol.9 No.3
Recently, modeling and implementation of Embedded Real Time System (ERTS) are unavoidably becoming more complicated to develop and be reused because of the increasingly complex design. The complexity is due to the functionality increment factor in accordance with users’ needs and demands, resulting in the growing scale of the developed systems. The current development approach based on Object-Oriented (OO) does not match the current requirements of the system. The OO approach has numerous flaws, thus, Component-Based Software Engineering (CBSE) has been appointed to resolve those problems. However, the current CBSE approach also has some drawbacks such as lack of ERTS standardized modeling and specific development methodology. The problems concerning the established ERTS development methodologies, Methods for Component-Based Real-Time Object-Oriented Development Testing (MARMOT) shows the capabilities to tackle ERTS modeling and implementation using CBSE strategy are partially provide the required standard modeling language for development tool adaptation. Thus, an integrated component model is proposed, by integrating MARMOT and a Unified Modeling Language (UML) profile known as Modeling and Analysis for Real-Time and Embedded (MARTE), which can be adapted to the CBSE approach standard modeling. In addition, the proposed model can improve the existing MARMOT software process. The findings showed that the proposed model has reduced ERTS development complexity by enhancing the design mechanisms.
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Scalable Scenario Specifications to Synthesize Component-centric Behaviour Models
Awad Ali,Dayang N. A. Jawawi,Mohd Adham Isa 보안공학연구지원센터 2015 International Journal of Software Engineering and Vol.9 No.9
Several scenario description languages and associated behaviour synthesis processes have been developed. The goal of these is to synthesize behaviour models from system requirement specifications, in order to enable the early identification of weak design spots or code generation. To date, however, most of the scenario languages are poorly scaled with regards to system sizes. This is because scalability requires more expressive constructs that can help when writing a scenario specification in a concise and compact manner, thereby resulting in a reduced number of scenarios. Furthermore, due to a lack of expressiveness in scenario languages, synthesis algorithms may need to rely on global behaviour models to determine inter-scenario dependencies. The global model is an additional factor that limits the approaches’ scalability. The reason is that the construction of a global model becomes harder as the system specification increases. To tackle these issues, within this article is proposed an expressive scenario description language that provides a concise and compact approach to scenario description, and defines inter-scenario dependencies semantically. A new algorithm that can address the additional constructs of the language was defined, in order to synthesize component-centric behaviour models. The applicability of this work has been demonstrated through both an illustrative example and a real-world case study. The evaluation indicates that the proposed scenario description language is more scalable than existing languages.
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( Afifah M. Ashari ),( Shahliza Abd Halim ),( Dayang N. A. Jawawi ),( Ushananthiny Suvelayutnan ),( Mohd Adham Isa ) 한국인터넷정보학회 2021 KSII Transactions on Internet and Information Syst Vol.15 No.7
Patient Navigation Program (PNP) is considered as an important implementation of health care systems that can assist in patient’s treatment. Due to the feasibility of PNP implementation, a systematic reuse is needed for a wide adoption of PNP computerized system. SPL is one of the promising systematic reuse approaches for creating a reusable architecture to enabled reuse in several similar applications of PNP systems which has its own variations with other applications. However, stakeholder decision making which result from the imprecise, uncertain, and subjective nature of architecture selection based on quality attributes (QA) further hinders the development of the product line architecture. Therefore, this study aims to propose a quality-driven approach using Multi-Criteria Decision Analysis (MCDA) techniques for Software Product Line Architecture (SPLA) to have an objective selection based on the QA of stakeholders in the domain of PNP. There are two steps proposed to this approach. First, a clear representation of quality is proposed by extending feature model (FM) with QA feature to determine the QA in the early phase of architecture selection. Second, MCDA techniques were applied for architecture selection based on objective preference for certain QA in the domain of PNP. The result of the proposed approach is the implementation of the PNP system with SPLA that had been selected using MCDA techniques. Evaluation for the approach is done by checking the approach’s applicability in a case study and stakeholder validation. Evaluation on ease of use and usefulness of the approach with selected stakeholders have shown positive responses. The evaluation results proved that the proposed approach assisted in the implementation of PNP systems.
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