Papers by Paula Carvalho
Annotating Arguments in a Corpus of Opinion Articles (2022.lrec-1)
Copied to clipboard
Gil Rocha, Luís Trigo, Henrique Lopes Cardoso, Rui Sousa-Silva, Paula Carvalho, Bruno Martins, Miguel Won
| Challenge: | Argument annotation is the process of exposing and justifying one's points of view, with the aim of conveying a logical reasoning through a set of semantically related propositions. |
| Approach: | They propose to use argumentative discourse units to annotate arguments in Portuguese using a multi-layered process to analyze the annotations produced. |
| Outcome: | The proposed model exploits the best practices identified in previous studies while fostering the potential use of the resulting annotated corpus for new purposes. |
Hate Speech Dynamics Against African descent, Roma and LGBTQI Communities in Portugal (2022.lrec-1)
Copied to clipboard
| Challenge: | Existing resources for detecting hate speech in Portugal are limited to spatiotemporally delimited phenomena, such as the dynamics of online hate speech before and during the Covid-19 pandemic. |
| Approach: | They propose to use a dataset to analyze online hate speech in Portugal before and after the Covid-19 pandemic . they provide statistics on the distribution of tweets included in the dataset and analyze the availability over time of tweet targeting the above-mentioned communities. |
| Outcome: | The proposed dataset contains 63,450 tweets, posted before and after the official declaration of Covid-19 as a pandemic by online users in Portugal. |