113 documents found, page 1 of 12

Unpacking online hate speech in Portuguese social media: A social-psychological...

Building on social psychology and language sciences, this research identified core social psychological, and linguistic-discursive features of online hate speech targeting racialized, migrant and LGBTI+ communities in two social media platforms in Portugal: YouTube, and Twitter/X. The research was based on the analysis of two annotated corpora comprising 24,739 YouTube comments and associated replies, and 29,75...

Users' satisfaction evaluation of telemedicine mobile applications based on ISO...

This study focuses on assessing the satisfaction of telemedicine mobile application users. Four perspectives, namely acceptance, quality as a software product, content quality and usage quality are assessed. The applications selected in the study are from two Portuguese market leaders in the sector. A model is tested based on the ISO 25010:2011 and ISO 25012:2008, and data from a survey to gather the user's opi...

Leveraging transfer learning for hate speech detection in Portuguese social med...

The rapid rise of social media has brought about new ways of digital communication, along with a worrying increase in online hate speech (HS), which, in turn, has led researchers to develop several Natural Language Processing methods for its detection. Although significant strides have been made in automating HS detection, research focusing on the European Portuguese language remains scarce (as it happens in se...

A comprehensive review on automatic hate speech detection in the age of the tra...

The rapid proliferation of hate speech on social media poses significant challenges to maintaining a safe and inclusive digital environment. This paper presents a comprehensive review of automatic hate speech detection methods, with a particular focus on the evolution of approaches from traditional machine learning and deep learning models to the more advanced Transformer-based architectures. We systematically ...

Discurso académico: consolidação e novos desafios

Analyzing hate speech dynamics on Twitter/X: Insights from conversational data ...

This paper investigates the pervasive issue of hate speech within Twitter/X Portuguese network conversations, offering a multifaceted analysis of its characteristics. This study utilizes a mixed-method approach, combining several methodologies of network analysis (triad census and participation shifts) over the network of interaction between users. Qualitative manual content annotation was applied to the datase...

Peer-to-peer accommodation in COVID-19 period: A segmentation approach from tou...

This research identifies safety practices to be adopted by organizations of peer-to-peer accommodation for different segments of tourists in a pandemic context. More specifically, it identifies the profiles of tourists based on their opinions on the safety practices they expect to find when booking peer-to-peer accommodation. Results from a Multiple Correspondence Analysis and Cluster Analysis applied to a samp...

Perineal necrotizing fasciitis, a challenge

Necrotizing perineal fasciitis is a complex situation, with high morbidity and mortality, mainly because most patients seek medical services late, at an advanced stage of theinfectiousprocess1. There are several studies that recommend the use of Negative Pressure Therapy in the treatment of lesions of this nature, with benefit in the patient's wellbeing and in reducing healing time.

Citizens' attitudes towards technological innovations: The case of urban air mo...

Technological innovations and their enabled services support business growth and promise benefits for societies. In the mobility sector, technology adoption and its sustainable integration into current transport systems strongly depend on citizens' perspectives both as users and non-users. Following a bottom-up approach originating from the societal views, this study analyses the attitude of citizens towards Ur...

Social impacts of peer-to-peer accommodation on host communities

Peer-to-peer accommodation has recently emerged as a central focus of research in tourism and hospitality. However, research on socio-cultural impacts of peer-to-peer accommodation is fragmented. This study reviews the relevant literature on the socio-cultural impacts of peer-to-peer accommodation on host communities and proposes an integrative framework and a working definition for goal socio-cultural impacts ...