?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=An%C3%A1lisis+de+la+polarizaci%C3%B3n+del+discurso+de+comunidades+en+redes+sociales+y+blogs&rft.creator=Marquinez+Burgos%2C+David&rft.contributor=Bello+Orgaz%2C+Mar%C3%ADa+Gema&rft.subject=Computer+Science&rft.description=El+aumento+del+uso+de+redes+sociales+presenta+impactos+positivos%2C+pero+tambi%C3%A9n+negativos.+En+este+trabajo+se+analizan+estos+impactos+negativos+como+publicaciones+de+tweets+ofensivos+o+que+promuevan+el+discurso+del+odio+en+la+red+social+Twitter.+Otros+trabajos+que+estudian+este+fen%C3%B3meno+se+centran+en+la+detecci%C3%B3n+de+comunidades+para+analizar+las+interacciones+que+se+producen+entre+los+distintos+usuarios+en+las+redes+sociales+o+en+la+detecci%C3%B3n+del+discurso+del+odio+usando+t%C3%A9cnicas+de+procesamiento+del+lenguaje+natural.+Con+este+trabajo+se+pretende+aunar+estos+dos+enfoques+para+estudiar+c%C3%B3mo+se+polariza+el+discurso+de+estas+comunidades.+Se+muestra+el+desarrollo+de+la+herramienta+utilizando+como+base+Python+junto+con+librer%C3%ADas+para+la+manipulaci%C3%B3n+de+grafos+y+detecci%C3%B3n+de+comunidades+y+de+procesamiento+del+lenguaje+natural.+Se+describe+el+proceso+desde+la+captura+de+la+informaci%C3%B3n+(tweets)+hasta+la+extracci%C3%B3n+y+an%C3%A1lisis+de+los+resultados+que+se+obtienen+tras+el+an%C3%A1lisis+de+estos+tweets%2C+sus+autores+y+las+comunidades+que+se+forman.+Los+principales+resultados+que+nos+arroja+el+an%C3%A1lisis+son%2C+entre+otros%2C+un+25%25+de+los+usuarios+analizados+presentaba+un+sentimiento+negativo+en+sus+tweets+y+la+pol%C3%ADtica+y+el+racismo+son+temas+frecuentes+en+las+conversaciones+de+los+usuarios.%0D%0AAbstract%3A%0D%0AThe+increasing+use+of+social+networks+has+positive+impacts%2C+but+also+negative+ones.+This+project+analyses+these+negative+impacts%2C+such+as+the+publication+of+offensive+tweets+on+the+social+network+Twitter+or+the+promotion+of+hate+speech.+Other+work+focuses+on+community+detection+or+hate+speech+detection+using+natural+language+processing+techniques%2C+this+project+aims+to+bring+these+two+approaches+together.+The+development+of+the+tool+is+shown+using+Python+together+with+libraries+for+graph+manipulation%2C+community+detection+and+natural+language+processing.+The+process+is+described+from+the+beginning+with+the+capture+of+the+information+(tweets)+up+to+the+extraction+and+analysis+of+the+results+obtained+after+the+analysis+of+the+tweets%2C+their+authors+and+the+communities+formed.+The+main+results+obtained+from+the+analysis+are%2C+among+others%2C+that+25%25+of+the+users+analysed+had+negative+sentiment+in+their+tweets+and+politics+and+racism+are+frequent+topics+in+the+users%E2%80%99+conversations.&rft.publisher=E.T.S.I+de+Sistemas+Inform%C3%83%C2%A1ticos+(UPM)&rft.rights=https%3A%2F%2Fcreativecommons.org%2Flicenses%2Fby-nc-nd%2F3.0%2Fes%2F&rft.date=2021-07&rft.type=info%3Aeu-repo%2Fsemantics%2FbachelorThesis&rft.type=Final+Project&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=spa&rft.format=application%2Fzip&rft.language=spa&rft.rights=info%3Aeu-repo%2Fsemantics%2FrestrictedAccess&rft.identifier=https%3A%2F%2Foa.upm.es%2F68317%2F