STC reduces tabular chunk counts by up to 56% versus baselines and raises hybrid MRR to 0.5945 and BM25 Recall@1 to 0.754 by preserving row structure during chunking.
Merger agreement understanding dataset (maud),
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Structure-Aware Chunking for Tabular Data in Retrieval-Augmented Generation
STC reduces tabular chunk counts by up to 56% versus baselines and raises hybrid MRR to 0.5945 and BM25 Recall@1 to 0.754 by preserving row structure during chunking.