Language Modelling as a Multi-Task Problem

• URL: http://arxiv.org/abs/2101.11287v1
• Date: Wed, 27 Jan 2021 09:47:42 GMT
• Title: Language Modelling as a Multi-Task Problem
• Authors: Lucas Weber, Jaap Jumelet, Elia Bruni and Dieuwke Hupkes
• Abstract summary: We investigate whether language models adhere to learning principles of multi-task learning during training. Experiments demonstrate that a multi-task setting naturally emerges within the objective of the more general task of language modelling.
• Score: 12.48699285085636
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we propose to study language modelling as a multi-task problem, bringing together three strands of research: multi-task learning, linguistics, and interpretability. Based on hypotheses derived from linguistic theory, we investigate whether language models adhere to learning principles of multi-task learning during training. To showcase the idea, we analyse the generalisation behaviour of language models as they learn the linguistic concept of Negative Polarity Items (NPIs). Our experiments demonstrate that a multi-task setting naturally emerges within the objective of the more general task of language modelling.We argue that this insight is valuable for multi-task learning, linguistics and interpretability research and can lead to exciting new findings in all three domains.

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