Now showing items 1-20 of 62

    • A framework to understand attitudes towards immigration through Twitter 

      Freire Vidal, Yerka; Graells Garrido, Eduardo; Rowe, Francisco (MDPI, 2021)
      Article
      Open Access
      Understanding public opinion towards immigrants is key to prevent acts of violence, discrimination and abuse. Traditional data sources, such as surveys, provide rich insights into the formation of such attitudes; yet, they ...
    • A frequent named entities-based approach for interpreting reputation in Twitter 

      Bennacer Seghouani, Nacéra; Bugiotti, Francesca; Hewasinghage, Moditha Lakshan Dharmasir; Isaj, Suela; Quercini, Gianluca (2018-06-01)
      Article
      Open Access
      Twitter is a social network that provides a powerful source of data. The analysis of those data offers many challenges among those stands out the opportunity to find reputation of a product, a person or any other entity ...
    • Analysis of the integration of Lean and Six Sigma methodologies 

      Xampeny Solaní, Rafael (Universitat Politècnica de Catalunya / Universtat de Barcelona, 2015-06)
      Master thesis
      Restricted access - author's decision
      Many organizations use an improvement methodology that is a mixture or Lean and Six Sigma. The theoretical framework as how to integrate both methods are not clearly defined, there is small bibliography on the subject and ...
    • Analysis of twitter traffic based on renewal densities 

      Esteban Zarza, Ángel Javier (Universitat Politècnica de Catalunya, 2012-04-12)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   University of Southern California
      [ANGLÈS] We propose a novel approach for Twitter traffic analysis based on renewal theory. Even though Twitter datasets are of increasing interest to researchers, extracting information from message timing remains somewhat ...
    • Analyzing Twitter data to discover gender biases in Spanish politics 

      Beltrán Jorba, Javier (Universitat Politècnica de Catalunya, 2018-06-27)
      Master thesis
      Open Access
      Covenantee:   Universitat de Barcelona. Facultat de Matemàtiques i Informàtica / Universitat Rovira i Virgili. Escola Tècnica Superior d'Enginyeria
      This work uses Twitter data from Spanish politicians to discover differences in how men and women speak in politics, as well as differences in how men and women politicians are addressed by others. A tool for automatic ...
    • Anàlisi de dades a Twitter sobre la difusió d’informació sobre el diòxid de clor (MMS/CDS) com a tractament per a la salut de les persones 

      Costas Mañero, Ariadna (Universitat Politècnica de Catalunya, 2021-07-08)
      Bachelor thesis
      Open Access
      L’objectiu principal del treball és implementar i avaluar diversos algoritmes de classificació de sentiment per a un cas concret de ‘fake new’ en salut, com és l’ús de MMS com a teràpia. En concret, s’ha optat per realitzar ...
    • Análisis de consumo y hábitos de los jóvenes a través del Big Data 

      Romero Gonzalez, Daniel (Universitat Politècnica de Catalunya, 2020-06-19)
      Bachelor thesis
      Open Access
      En aquest treball es realitza una anàlisi d'organitzacions relacionades amb la joventut a través de l'Big Data extret de Twitter. En primer lloc, s'introdueix el context del Big Data, el Business Intelligence i també de ...
    • ​Análisis de datos de Twitter mediante servicios en la nube 

      Sedano Parra, David (Universitat Politècnica de Catalunya, 2019-12-19)
      Bachelor thesis
      Restricted access - author's decision
      Twitter Analytics through cloud computing services This Project aims to deliver a full analytical process to transform big volumes of Twitter data into valuable information ready to be used. Nowadays, there are many social ...
    • Análisis de tweets oficiales emitidos el año 2020, durante la COVID-19, en Sudamérica en el marco de la salud pública 

      Marcillo Delgado, Juan Carlos; Álvarez García, Alicia; García Carrillo, Àgueda (Asociación Española de Ingeniería de Proyectos (AEIPRO), 2021)
      Conference lecture
      Open Access
      Communication as an essential component for risk management receives renewed interest with the Sendai Framework for Disaster Risk Reduction 2015-2030 and the recent COVID-19 pandemic. The research aim was to analyze the ...
    • Aplicació Congrés iOS 

      Tarracó Colom, Andreu (Universitat Politècnica de Catalunya, 2015-10-16)
      Master thesis (pre-Bologna period)
      Restricted access - confidentiality agreement
    • Aplicació de Twitter descentralitzat 

      Montane Blanchart, Albert (Universitat Politècnica de Catalunya, 2011-06-28)
      Master thesis (pre-Bologna period)
      Open Access
      Català: Agafant com a referència una aplicació de complexitat relativament baixa, com és en el nostre cas Twitter, mirar de re dissenyar-la per tal que estigui formada per un bon nombre de components de la granularitat més ...
    • Applying sentiment analysis for detection of cyberbullying in Twitter 

      Pérez García, Alba (Universitat Politècnica de Catalunya, 2019-05-31)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   University of Derby
      El proyecto pretende comparar técnicas de Sentiment Analysis para detectar contenido dañino en tweets extraídos de Twitter usando R. Se aplican tres técnicas supervisadas de machine learning: SVM lineal, SVM kernel y Naive ...
    • Applying sentiment analysis on Spanish tweets using BETO 

      de Arriba Serra, Ariadna; Oriol Hilari, Marc; Franch Gutiérrez, Javier (CEUR-WS.org, 2021)
      Conference report
      Open Access
      Emotion analysis of messages using machine learning techniques is a difficult and cumbersome task requiring a major effort to obtain reliable results. This challenge is even more pronounced when the target language is not ...
    • Attention mechanisms in deep learning models for Twitter sentiment analysis 

      Blanco González, Elena (Universitat Politècnica de Catalunya, 2023-01)
      Master thesis
      Open Access
      Sentiment Analysis on social media such as Twitter can provide us with valuable information about the users’ opinions. The singularities of these data lie in their short format and informal language. In the last years, ...
    • Automated curation of brand-related social media images with deep learning 

      Tous Liesa, Rubén; Gómez Parada, Mauro; Poveda, Jonatan; Cruz, Leonel; Wust, Otto; Makni, Mouna; Ayguadé Parra, Eduard (2018-10)
      Article
      Open Access
      This paper presents a work consisting in using deep convolutional neural networks (CNNs) to facilitate the curation of brand-related social media images. The final goal is to facilitate searching and discovering user-generated ...
    • Captura y análisis de datos para inferir el estado de una ciudad 

      Sanchez Omenac, Miquel (Universitat Politècnica de Catalunya, 2017-09-13)
      Bachelor thesis
      Open Access
      In this work I will make a study with the help of a previously designed and performed application that is in charge of obtaining and analysing tweets delimited in a certain geolocation, in this case the location will be ...
    • CEXS - Comunicació empreserial a les xarxes socials 

      Soler Colomer, Marc (Universitat Politècnica de Catalunya, 2021-06)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Companies social capital en Twitter 

      Tehami, Umair (Universitat Politècnica de Catalunya, 2021-03)
      Bachelor thesis
      Open Access
      En este trabajo se explora el concepto de capital social, su relevancia para las diferentes organizaciones y como se relaciona con la teoría de redes y las redes sociales online como (Twitter, Instagram, Facebook, etc..), ...
    • Correcció de tweets usant word embeedings i FreeLing 

      Llamas Xart, Sergi (Universitat Politècnica de Catalunya, 2017-01)
      Bachelor thesis
      Open Access
      La correcció automàtica és un dels problemes oberts actualment en el camp del processament de llenguatge natural (PLN). La seva principal aplicació és la de normalitzar el text que es passarà com a entrada a processos ...