9,193 research outputs found

    Human Factors in Agile Software Development

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    Through our four years experiments on students' Scrum based agile software development (ASD) process, we have gained deep understanding into the human factors of agile methodology. We designed an agile project management tool - the HASE collaboration development platform to support more than 400 students self-organized into 80 teams to practice ASD. In this thesis, Based on our experiments, simulations and analysis, we contributed a series of solutions and insights in this researches, including 1) a Goal Net based method to enhance goal and requirement management for ASD process, 2) a novel Simple Multi-Agent Real-Time (SMART) approach to enhance intelligent task allocation for ASD process, 3) a Fuzzy Cognitive Maps (FCMs) based method to enhance emotion and morale management for ASD process, 4) the first large scale in-depth empirical insights on human factors in ASD process which have not yet been well studied by existing research, and 5) the first to identify ASD process as a human-computation system that exploit human efforts to perform tasks that computers are not good at solving. On the other hand, computers can assist human decision making in the ASD process.Comment: Book Draf

    Software Process Simulation Modeling: Systematic literature review

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    Changes and continuous progress in logistics and productive systems make the realization of improvements in decision making necessary. Simulation is a good support tool for this type of decisions because it allows reproducing processes virtually to study their behavior, to analyze the impact of possible changes or to compare different design alternatives without the high cost of scale experiments. Although process simulation is usually focused on industrial processes, over the last two decades, new proposals have emerged to bring simulation techniques into software engineering. This paper describes a Systematic Literature Review (SLR) which returned 8070 papers (published from 2013 to 2019) by a systematic search in 4 digital libraries. After conducting this SLR, 36 Software Process Simulation Modeling (SPSM) works were selected as primary studies and were documented following a specific characterization scheme. This scheme allows characterizing each proposal according to the paradigm used and its technology base as well as its future line of work. Our purpose is to identify trends and directions for future research on SPSM after identifying and studying which proposals in this topic have been defined and the relationships and dependencies between these proposals in the last five years. After finishing this review, it is possible to conclude that SPSM continues to be a topic that is very much addressed by the scientific community, but each contribution has been proposed with particular goals. This review also concludes that Agent-Based Simulation and System Dynamics paradigm is increasing and decreasing, respectively, its trend among SPSM proposals in the last five years. Regarding Discrete-Event Simulation paradigm, it seems that it is strengthening its position among research community in recent years to design new approaches.Ministerio de Economía y Competitividad TIN2016-76956-C3-2-

    A survey of self organisation in future cellular networks

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    This article surveys the literature over the period of the last decade on the emerging field of self organisation as applied to wireless cellular communication networks. Self organisation has been extensively studied and applied in adhoc networks, wireless sensor networks and autonomic computer networks; however in the context of wireless cellular networks, this is the first attempt to put in perspective the various efforts in form of a tutorial/survey. We provide a comprehensive survey of the existing literature, projects and standards in self organising cellular networks. Additionally, we also aim to present a clear understanding of this active research area, identifying a clear taxonomy and guidelines for design of self organising mechanisms. We compare strength and weakness of existing solutions and highlight the key research areas for further development. This paper serves as a guide and a starting point for anyone willing to delve into research on self organisation in wireless cellular communication networks

    Using system dynamics to teach about dependencies, correlation and systemic thinking on the software process workflows

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    It is important to count on tools to help software professionals to evaluate the software process and how it may be affected by factors related to its deployment. Simulation models are a valuable means to illustrate the behaviour of such a process since scenario generation supports the prediction of potential outcomes and the prevention of undesired scenarios which are harmful to the process and the company in charge of the project to be developed. This work explores the effectiveness of introducing system dynamics (SD) models in the software engineers' process of understanding, from a management perspective, the software process dynamics. The used SD simulation model of the software process emphasises the representation of an iterative process. The COCOMO II model drivers and their main attributes were used, providing a set of reference factors that affect the software process, the estimation of project cost and the effort required. A set of 59 junior software professionals with no previous knowledge about SD participated in a validation study. For simple predictive scenarios, there was no important improvement effect, while for more complex predictive scenarios SD helped them to guess better and provide a rationale for the expected behaviour of the software process performance.This work has beensupportedby the Madrid Government (Comunidad de Madrid‐Spain) under the Multiannual Agree-ment with UC3M in the line of Excellence of University Professors (EPUC3M17) and in the context of the V PRICIT (Regional Programme of Research and Technological Innovation

    Quality measures for ETL processes: from goals to implementation

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    Extraction transformation loading (ETL) processes play an increasingly important role for the support of modern business operations. These business processes are centred around artifacts with high variability and diverse lifecycles, which correspond to key business entities. The apparent complexity of these activities has been examined through the prism of business process management, mainly focusing on functional requirements and performance optimization. However, the quality dimension has not yet been thoroughly investigated, and there is a need for a more human-centric approach to bring them closer to business-users requirements. In this paper, we take a first step towards this direction by defining a sound model for ETL process quality characteristics and quantitative measures for each characteristic, based on existing literature. Our model shows dependencies among quality characteristics and can provide the basis for subsequent analysis using goal modeling techniques. We showcase the use of goal modeling for ETL process design through a use case, where we employ the use of a goal model that includes quantitative components (i.e., indicators) for evaluation and analysis of alternative design decisions.Peer ReviewedPostprint (author's final draft

    The Role of Project Modularity in Information Systems Development

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    Recent surveys have shown that ISD project success rates are particularly low. Organizations are applying a wide array of information systems development methodologies (ISDMs) -- both plan-based and agile, such as waterfall, scrum and XP -- to improve information systems development (ISD) performance. However, as ISD projects often have different characteristics such as size, scope and complexity, prior studies have been focused on helping organizations better choose an ISDM for projects. Nevertheless, prior research has not taken into consideration the notion of problem modularity of ISD projects. In this study, we utilize the NK fitness landscapes model to computationally examine via computer simulations the effects of problem modularity alongside various project environmental factors, and aim to answer the question: under various environmental factors, which ISDM should an ISD team adopt under various degree of problem modularity

    Shipbuilding 4.0 Index Approaching Supply Chain

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    The shipbuilding industry shows a special interest in adapting to the changes proposed by the industry 4.0. This article bets on the development of an index that indicates the current situation considering that supply chain is a key factor in any type of change, and at the same time it serves as a control tool in the implementation of improvements. The proposed indices provide a first definition of the paradigm or paradigms that best fit the supply chain in order to improve its sustainability and a second definition, regarding the key enabling technologies for Industry 4.0. The values obtained put shipbuilding on the road to industry 4.0 while suggesting categorized planning of technologies

    Recent developments and future trends of industrial agents

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    The agent technology provides a new way to design and engineer control solutions based on the decentralization of control over distributed structures, addressing the current requirements for modern control systems in industrial domains. This paper presents the current situation of the development and deployment of agent technology, discussing the initiatives and the current trends faced for a wider dissemination and industrial adoption, based on the work that is being carried out by the IEEE IES Technical Committee on Industrial Agents
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