UWat-Emote at EmoInt-2017: Emotion Intensity Detection using Affect Clues, Sentiment Polarity and Word Embeddings

• Vineet John ^[1] ; Olga Vechtomova ^[1]
  1. [1] University of Waterloo

     University of Waterloo

     Canadá

     
• Localización: 8th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis WASSA 2017: Proceedings of the Workshop / Alexandra Balahur Dobrescu (ed. lit.), Saif M. Mohammad (ed. lit.), Erik van der Goot (ed. lit.), 2017, ISBN 978-1-945626-95-1, págs. 249-254
• Idioma: inglés
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• Resumen

  • This paper describes the UWaterloo affect prediction system developed for EmoInt- 2017. We delve into our feature se- lection approach for affect intensity, af- fect presence, sentiment intensity and sentiment presence lexica alongside pre- trained word embeddings, which are uti- lized to extract emotion intensity signals from tweets in an ensemble learning ap- proach. The system employs emotion spe- cific model training, and utilizes distinct models for each of the emotion corpora in isolation. Our system utilizes gradient boosted regression as the primary learning technique to predict the final emotion in- tensities.