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Fine-Tuning Enhances Existing Mechanisms: A Case Study on Entity Tracking
Feb. 23, 2024, 5:43 a.m. | Nikhil Prakash, Tamar Rott Shaham, Tal Haklay, Yonatan Belinkov, David Bau
cs.LG updates on arXiv.org arxiv.org
Abstract: Fine-tuning on generalized tasks such as instruction following, code generation, and mathematics has been shown to enhance language models' performance on a range of tasks. Nevertheless, explanations of how such fine-tuning influences the internal computations in these models remain elusive. We study how fine-tuning affects the internal mechanisms implemented in language models. As a case study, we explore the property of entity tracking, a crucial facet of language comprehension, where models fine-tuned on mathematics have …
abstract arxiv case case study code code generation cs.cl cs.lg fine-tuning generalized language language models mathematics performance study tasks tracking type
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