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Tables as Texts or Images: Evaluating the Table Reasoning Ability of LLMs and MLLMs

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arxiv 2402.12424 v5 pith:PUTNWKP5 submitted 2024-02-19 cs.LG cs.AIcs.CLcs.CV

classification cs.LGcs.AIcs.CLcs.CV
keywords llmstabledataimage-basedperformancepromptingrepresentationstable-related
verification ladder T0 review T1 audit T2 compute T3 formal
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In this paper, we investigate the effectiveness of various LLMs in interpreting tabular data through different prompting strategies and data formats. Our analyses extend across six benchmarks for table-related tasks such as question-answering and fact-checking. We introduce for the first time the assessment of LLMs' performance on image-based table representations. Specifically, we compare five text-based and three image-based table representations, demonstrating the role of representation and prompting on LLM performance. Our study provides insights into the effective use of LLMs on table-related tasks.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. MTabVQA: Evaluating Multi-Tabular Reasoning of Language Models in Visual Space

    cs.CV 2025-06 conditional novelty 6.0 of 10

    MTabVQA is a new visual multi-table question answering benchmark, and fine-tuning VLMs on its instruction set improves their accuracy on it.

  2. TableDreamer: Progressive and Weakness-guided Data Synthesis from Scratch for Table Instruction Tuning

    cs.CL 2025-06 conditional novelty 6.0 of 10

    An iterative, weakness-guided data synthesis framework for table instruction tuning improves Llama3.1-8B by 11.6 average accuracy points using only 27K synthetic examples.

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