5,564 research outputs found

    Harmonizing CMMI-DEV 1.2 and XP Method to Improve The Software Development Processes in Small Software Development Firms

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    Most software development organizations are small firms, and they have realized the need to manage and improve their software development and management activities. Traditional Software Process Improvement (SPI) models and standards are not realistic for these firms because of high cost, limited resources and strict project deadlines. Therefore, these firms need a lightweight software development method and an appropriate SPI model to manage and improve their software development and management processes. This study aims to construct a suitable software development process improvement framework for Small Software Development Firms (SSDFs) based on eXtreme Programming (XP) method and Capability Maturity Model Integration for Development Version 1.2 (CMMI-Dev1.2) model. Four stages are involved in developing the framework: (1) aligning XP practices to the specific goals of CMMI-Dev1.2 Key Process Areas (KPAs); (2) developing the proposed software development process improvement framework based on extending XP method by adapting the Extension-Based Approach (EBA), CMMI-Dev1.2, and generic elements of the SPI framework; (3) verifying the compatibility of the proposed framework to the KPAs of CMMI-Dev1.2 by using focus group method coupled with Delphi technique; and (4) validating the modified framework by using CMMI-Dev1.2 questionnaire as a main item to validate the suitability of the modified framework for SSDFs, and conducting two case studies to validate the applicability and effectiveness of this framework for these firms. The result of aligning XP practices to the KPAs of CMMI-Dev1.2 shows that twelve KPAs are largely supported by XP practices, eight KPAs are partially supported by XP practices, and two KPAs are not-supported by XP practices. The main contributions of this study are: software development process improvement framework for SSDFs, elicit better understanding of how to construct the framework, and quality improvement of the software development processes. There are possible avenues for extending this research to fulfil the missing specific practices of several KPAs, examining other agile practices and using CMMI-Dev1.3 to improve the framework, and conducting more case studie

    Iterative criteria-based approach to engineering the requirements of software development methodologies

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    Software engineering endeavours are typically based on and governed by the requirements of the target software; requirements identification is therefore an integral part of software development methodologies. Similarly, engineering a software development methodology (SDM) involves the identification of the requirements of the target methodology. Methodology engineering approaches pay special attention to this issue; however, they make little use of existing methodologies as sources of insight into methodology requirements. The authors propose an iterative method for eliciting and specifying the requirements of a SDM using existing methodologies as supplementary resources. The method is performed as the analysis phase of a methodology engineering process aimed at the ultimate design and implementation of a target methodology. An initial set of requirements is first identified through analysing the characteristics of the development situation at hand and/or via delineating the general features desirable in the target methodology. These initial requirements are used as evaluation criteria; refined through iterative application to a select set of relevant methodologies. The finalised criteria highlight the qualities that the target methodology is expected to possess, and are therefore used as a basis for de. ning the final set of requirements. In an example, the authors demonstrate how the proposed elicitation process can be used for identifying the requirements of a general object-oriented SDM. Owing to its basis in knowledge gained from existing methodologies and practices, the proposed method can help methodology engineers produce a set of requirements that is not only more complete in span, but also more concrete and rigorous

    Software Development Top Models, Risks Control and Effect on Product Quality

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    In recent time considerable efforts have been made to improve the quality of software development process and subsequently the end product One of such efforts is finding a way to avoid or prevent risks in the overall process and where or when it is not possible to prevent risk alleviation readily comes handy Seve ral problem solving methods such as six thinking hat risk table and riskit analysis graph RAG applied along with generic models such as spiral waterfall prototyping and extreme programming have been used in the past to prevent risk and enhances both delivery time and product quality Howeve r some gaps were identified in the earlier works done in this area and in the generic models designed for evaluating and controlling risks prompting the development of modern ones Hence this work tries to investigate different types of risks and risk management models leaning on the gaps in research it attempts to create a framework for better risk prediction and alleviation with the aim of enhancing delivery time and product quality To enhance good understanding and reading of the work it has been structured into different sections It concludes on some recommendations for future research in this paradig

    The Digital Transformation of Automotive Businesses: THREE ARTEFACTS TO SUPPORT DIGITAL SERVICE PROVISION AND INNOVATION

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    Digitalisation and increasing competitive pressure drive original equipment manufacturers (OEMs) to switch their focus towards the provision of digital services and open-up towards increased collaboration and customer integration. This shift implies a significant transformational change from product to product-service providers, where OEMs realign themselves within strategic, business and procedural dimensions. Thus, OEMs must manage digital transformation (DT) processes in order to stay competitive and remain adaptable to changing customer demands. However, OEMs aspiring to become participants or leaders in their domain, struggle to initiate activities as there is a lack of applicable instruments that can guide and support them during this process. Compared to the practical importance of DT, empirical studies are not comprehensive. This study proposes three artefacts, validated within case companies that intend to support automotive OEMs in digital service provisioning. Artefact one, a layered conceptual model for a digital automotive ecosystem, was developed by means of 26 expert interviews. It can serve as a useful instrument for decision makers to strategically plan and outline digital ecosystems. Artefact two is a conceptual reference framework for automotive service systems. The artefact was developed based on an extensive literature review, and the mapping of the business model canvas to the service system domain. The artefact intends to assist OEMs in the efficient conception of digital services under consideration of relevant stakeholders and the necessary infrastructures. Finally, artefact three proposes a methodology by which to transform software readiness assessment processes to fit into the agile software development approach with consideration of the existing operational infrastructure. Overall, the findings contribute to the empirical body of knowledge about the digital transformation of manufacturing industries. The results suggest value creation for digital automotive services occurs in networks among interdependent stakeholders in which customers play an integral role during the services’ life-cycle. The findings further indicate the artefacts as being useful instruments, however, success is dependent on the integration and collaboration of all contributing departments.:Table of Contents Bibliographic Description II Acknowledgment III Table of Contents IV List of Figures VI List of Tables VII List of Abbreviations VIII 1 Introduction 1 1.1 Motivation and Problem Statement 1 1.2 Objective and Research Questions 6 1.3 Research Methodology 7 1.4 Contributions 10 1.5 Outline 12 2 Background 13 2.1 From Interdependent Value Creation to Digital Ecosystems 13 2.1.1 Digitalisation Drives Collaboration 13 2.1.2 Pursuing an Ecosystem Strategy 13 2.1.3 Research Gaps and Strategy Formulation Obstacles 20 2.2 From Products to Product-Service Solutions 22 2.2.1 Digital Service Fulfilment Requires Co-Creational Networks 22 2.2.2 Enhancing Business Models with Digital Services 28 2.2.3 Research Gaps and Service Conception Obstacles 30 2.3 From Linear Development to Continuous Innovation 32 2.3.1 Digital Innovation Demands Digital Transformation 32 2.3.2 Assessing Digital Products 36 2.3.3 Research Gaps and Implementation Obstacles 38 3 Artefact 1: Digital Automotive Ecosystems 41 3.1 Meta Data 41 3.2 Summary 42 3.3 Designing a Layered Conceptual Model of a Digital Ecosystem 45 4 Artefact 2: Conceptual Reference Framework 79 4.1 Meta Data 79 4.2 Summary 80 4.3 On the Move Towards Customer-Centric Automotive Business Models 83 5 Artefact 3: Agile Software Readiness Assessment Procedures 121 5.1 Meta Data 121 5.2 Meta Data 122 5.3 Summary 123 5.4 Adding Agility to Software Readiness Assessment Procedures 126 5.5 Continuous Software Readiness Assessments for Agile Development 147 6 Conclusion and Future Work 158 6.1 Contributions 158 6.1.1 Strategic Dimension: Artefact 1 158 6.1.2 Business Dimension: Artefact 2 159 6.1.3 Process Dimension: Artefact 3 161 6.1.4 Synthesis of Contributions 163 6.2 Implications 167 6.2.1 Scientific Implications 167 6.2.2 Managerial Implications 168 6.2.3 Intelligent Parking Service Example (ParkSpotHelp) 171 6.3 Concluding Remarks 174 6.3.1 Threats to Validity 174 6.3.2 Outlook and Future Research Recommendations 174 Appendix VII Bibliography XX Wissenschaftlicher Werdegang XXXVII SelbstĂ€ndigkeitserklĂ€rung XXXVII

    Hybrid Project Management Approach for Software Modernization

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    Software modernization or legacy modernization, refers to the conversion, rewriting or porting of a legacy system to a modern computer programming language, software libraries, protocols, or hardware platform. Legacy transformation aims to retain and extend the value of the legacy investment through migration to new platforms [1]. Currently, I am working as a Senior Business Analyst with Blue Cross Blue Shield, one of the largest insurance provider in the United States across the health sector. I am deployed to work on their initiative towards software modernization along the healthcare industry through their software-as-a-service (SaaS) platform – “The Healthcare Online Resources (THOR)”. This service is available to numerous providers in the healthcare vertical to leverage their current operations and comprises of multiple modules including but not limited to claim adjustments, preauthorization and group coverage status. With the ongoing centralization of resources and increased competition, most of the companies are focusing on software modernization by leveraging their current technologies and hardware platforms, to remain the trendsetters and viable in the marketplace. To enhance my efficacy and understanding of the business requirements, I would like to conduct my thesis research towards the topic of “Software Modernization”. I would be able to leverage my experience as Senior Business Analyst to understand and bridge the gap between business requirements and the supporting technology backup. Being working in a multinational company, with multiple cross-functional teams, I plan to include different research results through self-surfing and interaction with these team members. Additionally, I had like to conduct surveys across these cross-functional teams mainly business and technical teams to understand and document their challenges and experience. Therefore, I strongly feel that I would be able to justify the thesis and the corresponding research

    AGILE AND SECURE SOFTWARE DEVELOPMENT: AN UNFINISHED STORY

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    Given the widespread adoption of agile methods and the rising number of software vulnerabilities, we analyze the literature with an interest in the effect of security practices on software development agility. We propose a novel taxonomy to systematize the body of knowledge around secure agile development and then organize and summarize the selected research using the new taxonomy. At a high-level we create two categories, Phase Focused and Phase Independent. The Phase Focused category is then subdivided along the traditional SDLC phases. The Phase Independent category spans all phases of the SDLC or is phase independent. We conclude that, although there is a significant body of literature on the topic, the story is unfinished. There is further investigation needed to ensure agility as secure development practices are adopted and in regard to empirical evaluations of the proposed agile and secure software development integration approaches

    Agile software development approach for \u27ad-hoc\u27 IT projects

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    Restrictive Scrum assumptions make the effectiveness of this approach debatable in projects deviating from typical execution conditions. This article delivers a comprehensive software development approach for both academic and commercial Information Technology (IT) projects effectuated by teams that are hampered by significantly unsystematic participation of project members and mercurial internal communication. The nature of ‘ad-hoc’ projects imposes another level of difficulty in terms of both managing the conduct of such a project and ensuring the quality of the end product. Multicyclic action research enabled a gradual adaptation of the Scrum approach to support such project conditions. This study introduces major alterations to Sprint implementation and minor enhancements within the documentation process to streamline knowledge sharing among Development Team members. Proposed key alterations include the evolution of Daily Scrum towards Weekly Scrum, the possibility of extending Sprints length, the eventuality to switch team members during Sprint due to substantial failure to meet deadlines, having at least two team members responsible for a single Product Backlog Item (PBI) at all times, as well as exclusion of Burndown Chart in favor for Development Team members updating their working time. Positive validation of enhancements in mixed settings confirms that the generic Scrum framework can be adapted to support highly volatile projects. The proposed approach is suitable not only for carrying out software development initiatives that rely heavily on the skills of external experts and/or volunteers. It also supports traditional Scrum teams that seek to reduce their exposure to risk arising from organizational changes

    A Contingency Theory Motivated Framework to Select Information System Development Methods

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    Several change-driven (agile) information systems development (ISD) methods have been launched during the recent years. In addition to agile ISD methods it is still possible to succeed also with plan-driven ISD methods. To facilitate ISD method selections that maximize the probability of ISD project success we crafted and evaluated an ISD method selection framework based on the idea of matching the properties of ISD methods and the characteristics of the business contexts where ISD methods are used. We conducted a systematic literature search to evaluate whether the proposed framework is also able to capture the findings of prior ISD method selection research and to guide future empirical research. From over 1000 potential articles we identified 42 articles that address ISD method selection. We discovered that the proposed framework was able to explain the findings of prior research
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