arXiv · 2210.04695
Language Models Are Poor Learners of Directional Inference
Abstract
We examine LMs' competence of directional predicate entailments by supervised fine-tuning with prompts. Our analysis shows that contrary to their apparent success on standard NLI, LMs show limited ability to learn such directional inference; moreover, existing datasets fail to test directionality, and/or are infested by artefacts that can be learnt as proxy for entailments, yielding over-optimistic results. In response, we present BoOQA (Boolean Open QA), a robust multi-lingual evaluation benchmark for directional predicate entailments, extrinsic to existing training sets. On BoOQA, we establish baselines and show evidence of existing LM-prompting models being incompetent directional entailment learners, in contrast to entailment graphs, however limited by sparsity.
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Tianyi Li, Mohammad Javad Hosseini, Sabine Weber, Mark Steedman. 2022-10-14. Language Models Are Poor Learners of Directional Inference. https://arxiv.org/abs/2210.04695
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