Alert Detection and Event Detection for Reputation Management in Twitter

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Icono objeto Alert Detection and Event Detection for Reputation Management in Twitter.
Doctorado, Sistemas Inteligentes, informática and Serie: Programa de Doctorado de Sistemas Inteligentes 2014-2015
(02-06-2015) Tamára Martín-Wanton | | CanalUNED



Título: Alert Detection and Event Detection for Reputation Management in Twitter
Título alternativo / Serie: Doctorado, Sistemas Inteligentes, informática
Serie: Programa de Doctorado de Sistemas Inteligentes 2014-2015
Resumen / Descripción: Advisors: Dr. J. Gonzalo, Dr.E. Amigó Detection is a challenging task in Online Reputation Managament that consists in to detect whether a topic should be an alert for the reputation of an entity. We design topic-based features to distinguish between non-important topics and alerts. Using Exploratory Factor Analysis (EFA) we identify complex interrelationships among features and group them as unified concepts called factors. These factors for the task of alert detection can be interpreted as: Novelty (features that detect how much new information is present in topics compared with past data), Polarity (features related with the sentiment expressed in topics); Cohesiveness (if a topic is around a central theme); User Authority (features related with information about users).
Género: Actos - Jornada
Área temática: Matemáticas
Ciencias Experimentales
Ciencia de los ordenadores
Inteligencia artificial
Informática
Ciencias Tecnológicas
E. Técnicos e Ingeniería
Tecnología de los ordenadores
Raiz UNESCO: Matemáticas
Ciencias Tecnológicas
Area de Conocimiento: Ciencias Experimentales
E. Técnicos e Ingeniería
Duración de la grabación: 00:44:50
Autor(es): Tamára Martín-Wanton
Fecha: 2015-06-02
Idioma: Español
Licencia: https://descargas.uned.es/publico/pdf/Aviso_Legal_UNED.pdf

Document type: Video_AVIP Document
Collection: Coleccion Multimedia
 
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Created: Sun, 27 Oct 2024, 16:10:27 CET