Improving Social Meaning Detection with Pragmatic Masking and Surrogate Fine-Tuning

Code

• github.com/chiyuzhang94/pmlm-sft
  OfficialIn paperpytorch★ 0

Abstract

Masked language models (MLMs) are pre-trained with a denoising objective that is in a mismatch with the objective of downstream fine-tuning. We propose pragmatic masking and surrogate fine-tuning as two complementing strategies that exploit social cues to drive pre-trained representations toward a broad set of concepts useful for a wide class of social meaning tasks. We test our models on 15 different Twitter datasets for social meaning detection. Our methods achieve 2.34\% F_1 over a competitive baseline, while outperforming domain-specific language models pre-trained on large datasets. Our methods also excel in few-shot learning: with only 5\% of training data (severely few-shot), our methods enable an impressive 68.54\% average F_1. The methods are also language agnostic, as we show in a zero-shot setting involving six datasets from three different languages.

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Reproductions