Leveraging Knowledge and Reinforcement Learning for Enhanced Reliability of Language Models

• URL: http://arxiv.org/abs/2308.13467v1
• Date: Fri, 25 Aug 2023 16:11:08 GMT
• Title: Leveraging Knowledge and Reinforcement Learning for Enhanced Reliability of Language Models
• Authors: Nancy Tyagi, Surjodeep Sarkar, Manas Gaur
• Abstract summary: We explore a knowledge-guided LM ensembling approach that leverages reinforcement learning to integrate knowledge from ConceptNet and Wikipedia as knowledge graph embeddings. This approach mimics human annotators resorting to external knowledge to compensate for information deficits in the datasets. Across nine GLUE datasets, our research shows that ensembling strengthens reliability and accuracy scores, outperforming state of the art.
• Score: 10.10140327060947
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The Natural Language Processing(NLP) community has been using crowd sourcing techniques to create benchmark datasets such as General Language Understanding and Evaluation(GLUE) for training modern Language Models such as BERT. GLUE tasks measure the reliability scores using inter annotator metrics i.e. Cohens Kappa. However, the reliability aspect of LMs has often been overlooked. To counter this problem, we explore a knowledge-guided LM ensembling approach that leverages reinforcement learning to integrate knowledge from ConceptNet and Wikipedia as knowledge graph embeddings. This approach mimics human annotators resorting to external knowledge to compensate for information deficits in the datasets. Across nine GLUE datasets, our research shows that ensembling strengthens reliability and accuracy scores, outperforming state of the art.

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