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Assessing Regression-Based Sentiment Analysis Techniques in Financial Texts
TLDR
This paper investigates the most relevant feature representations and hyperparameters in two important models -- Support Vector Regression (SVR) and Convolution Neural Networks (CNN) and how they impact outcomes on a regression SA task.
UPV at CheckThat! 2021: Mitigating Cultural Differences for Identifying Multilingual Check-worthy Claims
TLDR
Joint training of language identification and check-worthy claim detection tasks can provide performance gains for some of the selected languages and is proposed as an auxiliary task to mitigate unintended bias.
Sexism Prediction in Spanish and English Tweets Using Monolingual and Multilingual BERT and Ensemble Models
TLDR
This work proposes a system to use multilingual and monolingual BERT and data points translation and ensemble strategies for sexism identification and classification in English and Spanish and obtained first place in both tasks at EXIST.
Unified and Multilingual Author Profiling for Detecting Haters
TLDR
A unified user profiling framework to identify hate speech spreaders by processing their tweets regardless of the language and applies an attention mechanism to select important tweets for learning user profiles is presented.
(Notebook for PAN at CLEF 2021)
TLDR
A unified user profiling framework to identify hate speech spreaders by processing their tweets regardless of the language and applies an attention mechanism to select important tweets for learning user profiles is presented.
UPV at TREC Health Misinformation Track 2021 Ranking with SBERT and Quality Estimators
TLDR
This paper uses a BM25 and a domain-specific semantic search engine for re-trieving initial documents and examines a health news schema for quality assessment and applies it to re-rank documents.
AI-UPV at IberLEF-2021 DETOXIS task: Toxicity Detection in Immigration-Related Web News Comments Using Transformers and Statistical Models
TLDR
The main objective was to implement an accurate model to detect xenophobia in comments about web news articles within the DETOXIS shared task 2021, based on the competition’s official metrics.