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Has Your Pretrained Model Improved? A Multi-head Posterior Based Approach

2 January 2024
Prince Osei Aboagye
Yan Zheng
Junpeng Wang
Uday Singh Saini
Xin Dai
Michael Yeh
Yujie Fan
Zhongfang Zhuang
Shubham Jain
Liang Wang
Wei Zhang
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Abstract

The emergence of pre-trained models has significantly impacted Natural Language Processing (NLP) and Computer Vision to relational datasets. Traditionally, these models are assessed through fine-tuned downstream tasks. However, this raises the question of how to evaluate these models more efficiently and more effectively. In this study, we explore a novel approach where we leverage the meta-features associated with each entity as a source of worldly knowledge and employ entity representations from the models. We propose using the consistency between these representations and the meta-features as a metric for evaluating pre-trained models. Our method's effectiveness is demonstrated across various domains, including models with relational datasets, large language models and image models.

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