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Ítem Análisis descriptivo del proceso de implementación del nivel 2 del modelo CMMI en una empresa regional de desarrollo de software(Universidad Icesi, 2008-12-18) Picazzo M., Catherine; Villegas Machado, Norha Milena; Tamura Morimitsu, GabrielCMMI (Capability Maturity Model Integration) is basically a continuous- improvement inspired model to classify software development organizations according to a fivelevel maturity and capability scale. The classification in a given level is based on the dominance that an organization shows evidence to have over the areas of that level, which in turn reflects the degree of maturity of the organization and of the processes that it follows to develop software. This article presents a preliminary descriptive analysis of a level 2 implementation process of the CMMI model in a Colombian software development company, making an overall presentation of how it was brought into practice the theory of the model in the processes of the company, to be compliant with the conditions, goals and practices defined in the level 2 process areas of the model. The article also describes the problems which arose in the execution of the project, as well as how they were solved. As preliminary results are presented some of the indicators defined by the company for the software processes, and the software tools that were acquired or developed for the support of the implementation of the process areas. Finally, some conclusions and recommendations which can be found.Ítem QoS contract-aware reconfiguration of component architectures using e-graphs(Springer Berlin Heidelberg, 2010-10-14) Tamura Morimitsu, GabrielIn this paper we focus on the formalization of component-based architecture self-reconfiguration as an action associated to quality-of-service (QoS) contracts violation. With this, we aim to develop on the vision of the component-based software engineering (CBSE) as a generator of software artifacts responsible for QoS contracts. This formalization, together with a definition of a QoS contract, forms the basis of the framework we propose to enable a system to preserve its QoS contracts. Our approach is built on a theory of extended graph (e-graph) rewriting as a formalism to represent QoS contracts, component-based architectural structures and architecture reconfiguration. We use a rule-based strategy for the extensible part of our framework. The reconfiguration rules are expressed as e-graph rewriting rules whose left and right hand sides can be used to encode design patterns for addressing QoS properties. These rules, given by a QoS property domain expert, are checked as safe, i.e., terminating and confluent, before its application by graph pattern-matching over the runtime representation of the system.Ítem Aprovisionamiento ágil – Clasificación de malware – Optimización Giraph.(Universidad Icesi, 2020-10-01) Gómez Manzanares, Juan Felipe; Pachon De La Cruz, Álvaro; Landínez García, Sebastián Felipe; Navarro Cadavid, Andrés; Loaiza, César; Tamura Morimitsu, Gabriel; IcesiEsta edición de Bitácoras de la Maestría es una buena muestra de la diversidad de problemas que se pueden resolver con el aporte de la informática. En el primer capítulo se trata tangencialmente un tema sobre el que hay mucha discusión, la industria 4.0, la denominada cuarta revolución industrial, con énfasis en “adaptación”. El tema del segundo capítulo es la seguridad de los dispositivos móviles que funcionan con un sistema operativo Android. El tercer capítulo presenta una solución para un problema de optimización complejo, el Rooted Distance-Constrained Minimum Spanning Tree (RDCMST), muy útil en temas con el diseño de redes de telecomunicaciones.