Definición de índices de red para caracterizar la dinámica de opinión en presencia de agentes persistentes
dc.contributor.advisor | Mojica Nava, Eduardo Alirio | |
dc.contributor.author | Cusgüen Gómez, Carlos Alberto | |
dc.contributor.cvlac | Cusgüen Gómez, Carlos Alberto | spa |
dc.contributor.googlescholar | Carlos cusguen | spa |
dc.contributor.researchgate | https://www.researchgate.net/profile/Carlos-Cusguen-2 | spa |
dc.contributor.researchgroup | Programa de Investigacion sobre Adquisicion y Analisis de Señales Paas-Un | spa |
dc.date.accessioned | 2023-02-02T14:02:41Z | |
dc.date.available | 2023-02-02T14:02:41Z | |
dc.date.issued | 2022 | |
dc.description | ilustraciones | spa |
dc.description.abstract | El éxito de muchas de las sociedades modernas está directamente relacionado con el hecho de que la opinión de la mayoría de los individuos permita la toma de decisiones que generen acciones directas sobre el bienestar social, de esta manera se hace importante el análisis de las condiciones de influencia de las opiniones de líderes, sobre los agentes que constituyen las mayorías en los sistemas sociales, así pues, se entiende que las dinámicas de opinión pueden ser útiles y poderosas herramientas para diseñar mecanismos para la realización de acciones colectivas[1]. El propósito de este documento de tesis, es en primera medida presentar un análisis de los diferentes modelos propuestos para el estudio de las dinámicas de opinión, su clasificación y condiciones de uso, por otra parte busca establecer comparación entre modelos, que tengan en cuenta las características de los agentes, en la evolución de las opiniones, y por último plantear un modelo jerárquico de red, en el que se caracterice la dinámica de opinión de un conjunto de agentes dividido en dos grupos. El primero, de agente o agentes persistentes, los cuales típicamente no cambian su opinión a pesar de las interacciones sociales, además estos agentes difunden su opinión de manera pública, a los que se reconocerán como líderes de opinión; por otra parte, se establece un grupo de agentes regulares los cuales están dispuestos a cambiar sus opiniones y la comparten de manera semi-privada con un número específico de agentes, el modelo usado como referencia es una variación del modelo de Friedkin-Jhonsens [8], [13]. Se evalúan los efectos que los agentes persistentes tienen sobre el comportamiento del modelo de dinámica de opinión representado a través de grafos dirigidos, el modelo propuesto considera la actualización de las opiniones como una combinación convexa de la opinión actual de los vecinos y la opinión inicial del agente, además la disposición convexa de las variables es usada para introducir el peso de la difusión de las opiniones del grupo de los agentes persistentes y el valor de la información privada, más específicamente el mecanismo para la actualización de las opiniones afirma que el peso individual de las propias opiniones varia, los pesos relativos que se asignan a otros individuos y a otras hacen que la red cambie [8]. El modelo propuesto es validado por medio de simulación, donde se analizan algunos índices basadas en la centralidad, asociada a la red, de los agentes persistentes sobre los agentes regulares [10]. Además de los resultados de simulación, se presenta una propuesta para la recogida de datos para la validación del modelo, y un diseño de prueba sociométrica para caracterizar los grupos de agentes en un aplicación especifica. (Texto tomado de la fuente) | spa |
dc.description.abstract | The success of many modern societies is directly related to the fact that the opinion of the majority individual allows to take decisions to generate direct actions for the social welfare. In this way, the analysis of the conditions of influence of the opinions of leaders, on the agents that constitute the majorities in the social systems is a fundamental issues. Thus, it is understood that the dynamic opinions can be a useful and powerful tools for designing mechanisms for carrying out collective actions [1]. The purpose of this thesis is first to present an analysis of the different models proposed for the study of the dynamics opinions, their classification and conditions of use,on the other hand, seeks to establish a comparison between models, which take into account the characteristics of agents in the evolution of the opinions, and finally to propose a hierarchical network model, in which the dynamic of opinion of a group of agents is divided into two groups. Stubborn agents,which typically do not change their opinion despite social interactions, and publicly disseminate their opinion to those who are recognized as opinion leaders. Otherwise group of regular agents is established who are willing to change their opinions and share it semi-privately with a specific number of agents. The model used as a reference is a variation of the Friedkin-Jhonsens model [2]. The effects that stubborn agents have on the behavior of the model of opinion dynamics represented through directed graphs are evaluated. The proposed model considers the updating of the opinions as a convex combination of the current opinion of the neighbors and the initial opinion of the agent, besides the convex disposition of the variables is used to introduce the weight of the diffusion of the opinions of the group of persistent agents, and the value of private information. More specifically the mechanism for the updating of opinions affirms that the individual weight of one’s opinions varies, the relative weights assigned to other individuals and others cause the network to change [3] The proposed model is validated by means of simulation, where some indexes are analyzed based on the centrality, associated to the network of the persistent agents on the regular agents [4]. In addition to the simulation results, a proposal is presented for data collection for model validation, an | eng |
dc.description.abstract | ilustraciones | spa |
dc.description.degreelevel | Maestría | spa |
dc.description.researcharea | Modelación de dinámica de sistemas | spa |
dc.format.extent | xiii, 93 páginas | spa |
dc.format.mimetype | application/pdf | spa |
dc.identifier.instname | Universidad Nacional de Colombia | spa |
dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/83237 | |
dc.language.iso | spa | spa |
dc.publisher | Universidad Nacional de Colombia | spa |
dc.publisher.branch | Universidad Nacional de Colombia - Sede Bogotá | spa |
dc.publisher.faculty | Facultad de Ingeniería | spa |
dc.publisher.place | Bogotá - Colombia | spa |
dc.publisher.program | Bogotá - Ingeniería - Maestría en Ingeniería - Automatización Industrial | spa |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional | spa |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | spa |
dc.subject.armarc | Mass media and public opinion | eng |
dc.subject.lemb | Psicología social | spa |
dc.subject.lemb | Social psychology | eng |
dc.subject.lemb | Medios de comunicación de masas y opinión pública | spa |
dc.subject.proposal | Dinámicas de opinión | spa |
dc.subject.proposal | Agentes persistentes | spa |
dc.subject.proposal | Redes jerárquicas | spa |
dc.subject.proposal | Redes sociales | spa |
dc.subject.proposal | Opinion Dynamics | eng |
dc.subject.proposal | Stubborn Agents | eng |
dc.subject.proposal | Hierarchical Networks | eng |
dc.subject.proposal | Social Networks | eng |
dc.title | Definición de índices de red para caracterizar la dinámica de opinión en presencia de agentes persistentes | spa |
dc.title.translated | Definition of network indices to characterize opinion dynamics in the presence of persistent agents | eng |
dc.type | Trabajo de grado - Maestría | spa |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
dc.type.redcol | http://purl.org/redcol/resource_type/TM | spa |
dc.type.version | info:eu-repo/semantics/acceptedVersion | spa |
dcterms.audience.professionaldevelopment | Consejeros | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
oaire.awardtitle | Incremento en las estrategias sustentables en el uso del recurso de energía eléctrica para la población vulnerable en el depto. de Cundinamarca | spa |
oaire.fundername | Sistema General de Regalías- Departamento de Cundinamarca | spa |
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