AINeutralarXiv – CS AI · 6h ago6/10
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Beyond Chunking: Discourse-Aware Hierarchical Retrieval for Long Document Question Answering
Researchers present a discourse-aware hierarchical framework that uses rhetorical structure theory (RST) to improve long-document question answering systems. Rather than treating documents as flat sequences, the approach leverages natural discourse structures to enhance retrieval accuracy across multiple languages and document types.