This article is focused on the reproduction of ideologically charged messages whose origins
or interests remain hidden from public opinion. There is an urgent need for transparency …

This work aims to establish whether astroturfing was used during the Covid-19 pandemic to
manipulate Spanish public opinion through Twitter. This study analyzes tweets published in …

With the widespread access of people to the Internet and the increasing usage of social
networks in all nations, social networks have become a new source to study cultural …

Introduction This study aimed to investigate the daily sound exposure of hearing aid (HA)
users during the COVID-19 pandemic, with a specific focus on the impact of different …

We combine social theory and NLP methods to classify English-speaking Twitter users'
online social identity in profile descriptions. We conduct two text classification experiments …

This study examines how the interplay between an online campaign's network structure and
prosocial cultural norms in a country affect charitable giving. We conducted a multilevel …

En 2021, Colombia vivió uno de los períodos de protestas sociales-motivadas inicialmente
como respuesta a las reformas planteadas por el gobierno de este país, en materia …

La proclamación del Estado de Alarma en España en marzo de 2020 trajo consigo un
periodo de gran intensidad informativa en medios tradicionales y digitales. Lo extraordinario …

El trabajo tiene como objetivos estimar el uso del astroturfing, como estrategia de
promoción de debates políticos en España, a través de Twitter. Se recopilan y analizan un …

We study how legislation that restricts speech can induce online self-censorship and alter
online discourse, using the recent Hong Kong national security law as a case study. We …