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SINAI-DL at SemEval-2019 Task 7: Data Augmentation and Temporal Expressions

2019-06-01 · SEMEVAL 2019 6 · Miguel A. Garc{\'\i}a-Cumbreras, Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Arturo Montejo-R{\'a}ez, Manuel Carlos D{\'\i}az-Galiano, Estela Saquete

This paper describes the participation of the SINAI-DL team at RumourEval (Task 7 in SemEval 2019, subtask A: SDQC). SDQC addresses the challenge of rumour stance classification as an indirect way of identifying potential rumours. Given a tweet with several replies, our system classifies each reply into either supporting, denying, questioning or commenting on the underlying rumours. We have applied data augmentation, temporal expressions labelling and transfer learning with a four-layer neural classifier. We achieve an accuracy of 0.715 with the official run over reply tweets.

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Tasks

Data Augmentation General Classification Rumour DetectionStance ClassificationTransfer Learning

SINAI-DL at SemEval-2019 Task 5: Recurrent networks and data augmentation by paraphrasing

2019-06-01 · SEMEVAL 2019 6 · Arturo Montejo-R{\'a}ez, Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Miguel A. Garc{\'\i}a-Cumbreras, Manuel Carlos D{\'\i}az-Galiano

This paper describes the participation of the SINAI-DL team at Task 5 in SemEval 2019, called HatEval. We have applied some classic neural network layers, like word embeddings and LSTM, to build a neural classifier for b…

Data Augmentation Word Embeddings

SINAI at SemEval-2018 Task 1: Emotion Recognition in Tweets

2018-06-01 · SEMEVAL 2018 6 · Flor Miriam Plaza-del-Arco, Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Maite Martin, L. Alfonso Ure{\~n}a-L{\'o}pez

Emotion classification is a new task that combines several disciplines including Artificial Intelligence and Psychology, although Natural Language Processing is perhaps the most challenging area. In this paper, we descri…

Emotion Classification Emotion Recognition General Classification

SINAI at SemEval-2020 Task 12: Offensive Language Identification Exploring Transfer Learning Models

2020-12-01 · SEMEVAL 2020 · Flor Miriam Plaza del Arco, M. Dolores Molina Gonz{\'a}lez, Alfonso Ure{\~n}a-L{\'o}pez, Maite Martin

This paper describes the participation of SINAI team at Task 12: OffensEval 2: Multilingual Offensive Language Identification in Social Media. In particular, the participation in Sub-task A in English which consists of i…

Language Identification Transfer Learning

SINAI at SemEval-2019 Task 6: Incorporating lexicon knowledge into SVM learning to identify and categorize offensive language in social media

2019-06-01 · SEMEVAL 2019 6 · Flor Miriam Plaza-del-Arco, M. Dolores Molina-Gonz{\'a}lez, Maite Martin, L. Alfonso Ure{\~n}a-L{\'o}pez

Offensive language has an impact across society. The use of social media has aggravated this issue among online users, causing suicides in the worst cases. For this reason, it is important to develop systems capable of i…

General Classification

SINAI at SemEval-2017 Task 4: User based classification

2017-08-01 · SEMEVAL 2017 8 · Salud Mar{\'\i}a Jim{\'e}nez-Zafra, Arturo Montejo-R{\'a}ez, Maite Martin, L. Alfonso Ure{\~n}a-L{\'o}pez

This document describes our participation in SemEval-2017 Task 4: Sentiment Analysis in Twitter. We have only reported results for subtask B - English, determining the polarity towards a topic on a two point scale (posit…

Classification Collaborative Filtering General Classification Sentiment Analysis+1