SQuARE: Structured Query & Adaptive Retrieval Engine For Tabular Formats

• URL: http://arxiv.org/abs/2512.04292v1
• Date: Wed, 03 Dec 2025 22:11:45 GMT
• Title: SQuARE: Structured Query & Adaptive Retrieval Engine For Tabular Formats
• Authors: Chinmay Gondhalekar, Urjitkumar Patel, Fang-Chun Yeh,
• Abstract summary: SQuARE is a hybrid retrieval framework with sheet-level, complexity-aware routing.<n>It computes a continuous score based on header depth and merge density.<n>SQuARE consistently surpasses single-strategy baselines and ChatGPT-4o on both retrieval precision and end-to-end answer accuracy.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Accurate question answering over real spreadsheets remains difficult due to multirow headers, merged cells, and unit annotations that disrupt naive chunking, while rigid SQL views fail on files lacking consistent schemas. We present SQuARE, a hybrid retrieval framework with sheet-level, complexity-aware routing. It computes a continuous score based on header depth and merge density, then routes queries either through structure-preserving chunk retrieval or SQL over an automatically constructed relational representation. A lightweight agent supervises retrieval, refinement, or combination of results across both paths when confidence is low. This design maintains header hierarchies, time labels, and units, ensuring that returned values are faithful to the original cells and straightforward to verify. Evaluated on multi-header corporate balance sheets, a heavily merged World Bank workbook, and diverse public datasets, SQuARE consistently surpasses single-strategy baselines and ChatGPT-4o on both retrieval precision and end-to-end answer accuracy while keeping latency predictable. By decoupling retrieval from model choice, the system is compatible with emerging tabular foundation models and offers a practical bridge toward a more robust table understanding.

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