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Quantized LoRA Model Performance in Legal RAG with Context Window Variations

SOVEREIGN Research Kernel

Zenodo (CERN European Organization for Nuclear Research), 2026

Abstract

The evaluation bottleneck in recommendation systems has become particularly acute with the rise of Generative AI, where traditional metrics fall short of capturing nuanced quality dimensions that matter in specialized domains like legal research. Can we trust Large Language Models to serve as reliable judges of their own kind? This paper investigates LLM-as-a-Judge as a principled approach to evaluating Retrieval-Augmented Generation systems in legal contexts, where the stakes of recommendation quality are exceptionally high. We tackle two fundamental questions that determine practical viabi Research goal: What is the impact of context window size on the retrieval-augmented generation performance of quantized LoRA-adapted models when evaluating unfair terms in specialized legal domains? Autonomous synthesis report generated by SOVEREIGN Research Kernel. Tribunal consensus score: 8.2/10.

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