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Deep Tabular Research via Continual Experience-Driven Execution

arXiv cs.AI / 3/11/2026

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Key Points

  • The paper addresses the challenge of Deep Tabular Research (DTR), which involves complex long-horizon reasoning over unstructured tables with hierarchical and bidirectional headers.
  • A novel agentic framework is proposed that treats tabular reasoning as a closed-loop decision-making process by coupling query understanding and table operation execution.
  • The framework includes constructing a hierarchical meta graph for semantic mapping, an expectation-aware policy for path selection, and a siamese structured memory to leverage historical execution results for continual improvement.
  • Experiments demonstrate the method's effectiveness on difficult unstructured tabular benchmarks and emphasize the importance of separating strategic planning from execution in long-horizon tabular tasks.

Computer Science > Artificial Intelligence

arXiv:2603.09151 (cs)
[Submitted on 10 Mar 2026]

Title:Deep Tabular Research via Continual Experience-Driven Execution

View a PDF of the paper titled Deep Tabular Research via Continual Experience-Driven Execution, by Junnan Dong and 7 other authors
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Abstract:Large language models often struggle with complex long-horizon analytical tasks over unstructured tables, which typically feature hierarchical and bidirectional headers and non-canonical layouts. We formalize this challenge as Deep Tabular Research (DTR), requiring multi-step reasoning over interdependent table regions. To address DTR, we propose a novel agentic framework that treats tabular reasoning as a closed-loop decision-making process. We carefully design a coupled query and table comprehension for path decision making and operational execution. Specifically, (i) DTR first constructs a hierarchical meta graph to capture bidirectional semantics, mapping natural language queries into an operation-level search space; (ii) To navigate this space, we introduce an expectation-aware selection policy that prioritizes high-utility execution paths; (iii) Crucially, historical execution outcomes are synthesized into a siamese structured memory, i.e., parameterized updates and abstracted texts, enabling continual refinement. Extensive experiments on challenging unstructured tabular benchmarks verify the effectiveness and highlight the necessity of separating strategic planning from low-level execution for long-horizon tabular reasoning.
Comments:
Subjects: Artificial Intelligence (cs.AI)
Cite as: arXiv:2603.09151 [cs.AI]
  (or arXiv:2603.09151v1 [cs.AI] for this version)
  https://doi.org/10.48550/arXiv.2603.09151
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arXiv-issued DOI via DataCite

Submission history

From: Junnan Dong [view email]
[v1] Tue, 10 Mar 2026 03:42:54 UTC (621 KB)
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