Modelo de aprendizaje automático para la clasificación temprana de flujos de texto aplicado a la detección de desórdenes psicológicos

dc.contributor.advisorAugusto González, Fabio
dc.contributor.authorBabativa Melgarejo, Diego Alejandro
dc.contributor.researchgroupMindlabspa
dc.date.accessioned2022-02-17T21:33:06Z
dc.date.available2022-02-17T21:33:06Z
dc.date.issued2021
dc.descriptionilustraciones, gráficas, tablasspa
dc.description.abstractLa representación adecuada de los flujos de textos en un modelo de aprendizaje automático permite la acumulación efectiva de evidencia secuencial, donde los algoritmos toman la decisión de clasificación cuando hay suficiente certeza para determinar la existencia de cierto tipo de riesgo. Lo que resulta determinante en la detección temprana de trastornos mentales con tendencia al suicidio. Inspirado en lo anterior, el presente trabajo de investigación toma por objeto la realización de un modelo de aprendizaje automático efectivo en la detección de des ́ordenes psicológicos, como son la depresión, la anorexia y la autolesión; manifestados en los flujos de texto discriminados de publicaciones con caracterizaciones determinantes en la red social Reddit. El modelo establecido en esta tesis es entrenado por varios conjuntos de datos etiquetados por expertos del Conference and Labs of the Evaluation Forum (CLEF), dando lugar al establecimiento de una propuesta con menor n ́umero de escritos requeridos en la detección, sobresaliendo en la métrica ERDE y F1 en la identificación temprana de población con tendencia a la anorexia. (Texto tomado de la fuente)spa
dc.description.abstractThe adequate representation of text streams in a machine learning model allows the effective accumulation of sequential evidence, in which the algorithms make the classification decision when there is sufficient certainty to determine the existence of a certain type of risk. What is decisive in the early detection of mental disorders with a tendency to suicide. Inspired by the above, the present research work aims to carry out an effective machine learning model in the detection of psychological disorders, such as depression, anorexia and self-harm; mani- fested in the discriminated text streams of publications with decisive characterizations in the Reddit social network. The model established in this thesis is trained by several data sets labeled by experts from the Conference and Labs of the Evaluation Forum (CLEF), leading to the establishment of a proposal with a lower number of writings required in detection, excelling in the ERDE and F1 metrics in the early identification of a population with a tendency to anorexy.eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en Ingeniería - Ingeniería de Sistemas y Computaciónspa
dc.description.researchareaSistemas inteligentesspa
dc.format.extentxiii, 85 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/81008
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.departmentDepartamento de Ingeniería de Sistemas e Industrialspa
dc.publisher.facultyFacultad de Ingenieríaspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Ingeniería de Sistemas y Computaciónspa
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dc.rightsDerechos reservados al autor, 2021spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc000 - Ciencias de la computación, información y obras generales::004 - Procesamiento de datos Ciencia de los computadoresspa
dc.subject.lembAprendizaje automático (Inteligencia artificial)spa
dc.subject.lembMachine learningeng
dc.subject.lembEnfermedades mentalesspa
dc.subject.lembMental illnesseng
dc.subject.lembPsiquiatríaspa
dc.subject.lembPsychiatryeng
dc.subject.lembInteligencia artificial-Aplicaciones médicasspa
dc.subject.lembArtificial intelligence - Medical applicationseng
dc.subject.proposalDetección temprana de riesgospa
dc.subject.proposalAnorexiaspa
dc.subject.proposalDepresiónspa
dc.subject.proposalAprendizaje automáticospa
dc.subject.proposalAutolesiónspa
dc.subject.proposalERDEspa
dc.subject.proposalLTPspa
dc.subject.proposalLatency-weigthed F1eng
dc.subject.proposalEarly Risk detectioneng
dc.subject.proposalAnorexiaeng
dc.subject.proposalDepressioneng
dc.subject.proposalMachine Learningeng
dc.subject.proposalSelf-harmeng
dc.titleModelo de aprendizaje automático para la clasificación temprana de flujos de texto aplicado a la detección de desórdenes psicológicosspa
dc.title.translatedMachine learning model for early classification of text streams applied to early detection of psychological disorderseng
dc.typeTrabajo de grado - Maestríaspa
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dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
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