Empowering Language Model with Guided Knowledge Fusion for Biomedical Document Re-ranking

• URL: http://arxiv.org/abs/2305.04344v1
• Date: Sun, 7 May 2023 17:45:47 GMT
• Title: Empowering Language Model with Guided Knowledge Fusion for Biomedical Document Re-ranking
• Authors: Deepak Gupta and Dina Demner-Fushman
• Abstract summary: Pre-trained language models (PLMs) have proven to be effective for document re-ranking task. We propose an approach that integrates knowledge and the PLMs to guide the model toward effectively capturing information from external sources.
• Score: 22.23809978012414
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Pre-trained language models (PLMs) have proven to be effective for document re-ranking task. However, they lack the ability to fully interpret the semantics of biomedical and health-care queries and often rely on simplistic patterns for retrieving documents. To address this challenge, we propose an approach that integrates knowledge and the PLMs to guide the model toward effectively capturing information from external sources and retrieving the correct documents. We performed comprehensive experiments on two biomedical and open-domain datasets that show that our approach significantly improves vanilla PLMs and other existing approaches for document re-ranking task.

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