Neural language model augments limited labeled rumor tweets using unlabeled event data, expanding datasets by ~200% and improving F-score by 12.1% in detection models.
DeepStance at SemEval-2016 Task 6: Detecting Stance in Tweets Using Character and Word-Level CNNs
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abstract
This paper describes our approach for the Detecting Stance in Tweets task (SemEval-2016 Task 6). We utilized recent advances in short text categorization using deep learning to create word-level and character-level models. The choice between word-level and character-level models in each particular case was informed through validation performance. Our final system is a combination of classifiers using word-level or character-level models. We also employed novel data augmentation techniques to expand and diversify our training dataset, thus making our system more robust. Our system achieved a macro-average precision, recall and F1-scores of 0.67, 0.61 and 0.635 respectively.
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2019 1verdicts
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Neural Language Model Based Training Data Augmentation for Weakly Supervised Early Rumor Detection
Neural language model augments limited labeled rumor tweets using unlabeled event data, expanding datasets by ~200% and improving F-score by 12.1% in detection models.