Examinando por Autor "Noel, Rene"

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    A Learning Analytics Framework to Analyze Corporal Postures in Students Presentations
    (MDPI, 2021) Vieira, Felipe; Cechinel, Cristian; Ramos, Vinicius; Riquelme, Fabián; Noel, Rene; Villarroel, Rodolfo; Cornide-Reyes, Hector; Munoz, Roberto
    Communicating in social and public environments are considered professional skills that can strongly influence career development. Therefore, it is important to proper train and evaluate students in this kind of abilities so that they can better interact in their professional relationships, during the resolution of problems, negotiations and conflict management. This is a complex problem as it involves corporal analysis and the assessment of aspects that until recently were almost impossible to quantitatively measure. Nowadays, a number of new technologies and sensors have being developed for the capture of different kinds of contextual and personal information, but these technologies were not yet fully integrated inside learning settings. In this context, this paper presents a framework to facilitate the analysis and detection of patterns of students in oral presentations. Four steps are proposed for the given framework: Data collection, Statistical Analysis, Clustering, and Sequential Pattern Mining. Data Collection step is responsible for the collection of students interactions during presentations and the arrangement of data for further analysis. Statistical Analysis provides a general understanding of the data collected by showing the differences and similarities of the presentations along the semester. The Clustering stage segments students into groups according to well-defined attributes helping to observe different corporal patterns of the students. Finally, Sequential Pattern Mining step complements the previous stages allowing the identification of sequential patterns of postures in the different groups. The framework was tested in a case study with data collected from 222 freshman students of Computer Engineering (CE) course at three different times during two different years. The analysis made it possible to segment the presenters into three distinct groups according to their corporal postures. The statistical analysis helped to assess how the postures of the students evolved throughout each year. The sequential pattern mining provided a complementary perspective for data evaluation and helped to observe the most frequent postural sequences of the students. Results show the framework could be used as a guidance to provide students automated feedback throughout their presentations and can serve as background information for future comparisons of students presentations from different undergraduate courses.
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    Ítem
    Beyond Conventional Model-Driven Development: From Strategy to Code
    (Ceur Workshop Proceedings, 2021) Noel, Rene; Ruiz, Marcela; Panach, Ignacio; Pastor, Oscar
    Context. Business strategy and intentional factors that drive the information systems development and evolution have been addressed by several conceptual modelling initiatives, mostly from goal modelling and enterprise architecture domains. As agility scales to top executive levels, business strategy becomes adaptive, frequently and objectively assessed, while shapes the structure of the organisation around business capabilities. Problem. On the one hand, modelling several business layer views with EA frameworks to represent business strategy could be a challenging effort under a constantly changing environment. On the other hand, using more lightweight but flexible goal modelling frameworks could hinder the aim of getting well-bounded and repeatable business strategy models. Objective. In this paper, we explore the feasibility of connecting well-defined business strategy models using i* and, by exploiting existing modelling methods and transformation techniques, connect them with business process and information system models, to finally generate the working code of the software product. Contribution. We present an initial approach of a modelling procedure to capture business strategy using i* under an adaptive, agile approach, and show a practical integration with a software production method from requirements to code.
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    From Strategy to Code: A Model-Drive Software Production Method
    (Ceur-Ws, 2021) Noel, Rene
    Model-driven development aims to produce software from computation-independent and platform-independent models that capture domain knowledge. A key knowledge area is business strategy, which impacts the strategic division of business domains, and so on the strategic design of software products. Moreover, agile organisations continuously change their business strategy, affecting multiple software products at the same time. While goal modelling and enterprise architecture initiatives have aimed to align business strategy and information systems, the lack of well-defined modelling procedures and specific business strategy constructs hinder their integration in a model-driven development context. This thesis addresses the design of a model-driven software production method that integrates business strategy knowledge to provide traceability and as much automation as possible from strategic elements to business-driven, modular, and executable models of the information system. Using the design science methodology, the expected contributions are the design of a low-complexity and systematic business strategy modelling method, and a transformation technique to map business strategy knowledge into an existing software production method.
  • Miniatura
    Ítem
    Key Skills to Work With Agile Frameworks in Software Engineering: Chilean Perspectives
    (IEEE, 2021) Cornide-Reyes, Héctor; Riquelme, Fabián; Noel, Rene; Villarroel, Rodolfo; Cechinel, Cristian
    Agile frameworks continue to provide positive evidence regarding the benefits of their use in the software products. Since these methods develop professional skills in those who practice them, their knowledge and use will acquire greater demand in areas other than software development. For this reason, it is essential to recognize the key skills for agile team building. The goal of this paper is to identify the agile professional skills that the Chilean industry considers key to conform high-performance agile teams. A survey was applied to agile community professionals in Chile to validate the results of previous work and to identify relevant information regarding learning processes, techniques, and tools for working with agile frameworks. The results allowed to establish three key skills for high-performance teams with their respective levels of achievement.