Evaluating the Effectiveness of Retrieval-Augmented Large Language Models in Scientific Document Reasoning

• URL: http://arxiv.org/abs/2311.04348v1
• Date: Tue, 7 Nov 2023 21:09:57 GMT
• Title: Evaluating the Effectiveness of Retrieval-Augmented Large Language Models in Scientific Document Reasoning
• Authors: Sai Munikoti, Anurag Acharya, Sridevi Wagle, Sameera Horawalavithana
• Abstract summary: Large Language Model (LLM) often provide seemingly plausible but not factual information, often referred to as hallucinations. Retrieval-augmented LLMs provide a non-parametric approach to solve these issues by retrieving relevant information from external data sources. We critically evaluate these models in their ability to perform in scientific document reasoning tasks.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Despite the dramatic progress in Large Language Model (LLM) development, LLMs often provide seemingly plausible but not factual information, often referred to as hallucinations. Retrieval-augmented LLMs provide a non-parametric approach to solve these issues by retrieving relevant information from external data sources and augment the training process. These models help to trace evidence from an externally provided knowledge base allowing the model predictions to be better interpreted and verified. In this work, we critically evaluate these models in their ability to perform in scientific document reasoning tasks. To this end, we tuned multiple such model variants with science-focused instructions and evaluated them on a scientific document reasoning benchmark for the usefulness of the retrieved document passages. Our findings suggest that models justify predictions in science tasks with fabricated evidence and leveraging scientific corpus as pretraining data does not alleviate the risk of evidence fabrication.

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