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license: mit
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---
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license: mit
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language:
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- en
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metrics:
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- accuracy
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- bleu
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base_model:
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- AIDC-AI/Ovis2-8B
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- tablegpt/TableGPT2-7B
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pipeline_tag: table-question-answering
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tags:
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- code
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---
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# TableDART Gating Network Checkpoint
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This repository provides the trained gating network checkpoint for **TableDART: Dynamic Adaptive Multi-Modal Routing for Table Understanding**.
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TableDART is a training-efficient framework that dynamically routes each table-query pair through the most appropriate reasoning path: Text-only, Image-only, or Fusion, while keeping all pretrained expert models **frozen**.
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---
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## ๐ Overview
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Modeling semantic and structural information from tabular data remains a core challenge for effective table understanding.
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Existing LLM-based approaches face several limitations:
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- Table-as-Text methods flatten tables into text sequences, losing structural cues.
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- Table-as-Image methods preserve layout but struggle with precise semantics.
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- Static multimodal methods process all modalities for every query, introducing redundancy and potential cross-modal conflicts.
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- Most approaches require expensive fine-tuning of large LLMs or multimodal models.
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**Our Solution: TableDART** addresses these limitations through:
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- Reusing pretrained single-modality expert models (kept frozen, plug-and-play)
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- Learning only a lightweight 2.59M-parameter MLP gating network
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- Dynamically selecting the optimal path for each table-query pair (instance-level)
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- Introducing an LLM agent that mediates cross-modal knowledge integration when needed
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This design avoids full LLM/MLLM fine-tuning, reduces computational redundancy, and maintains strong efficiency-performance trade-offs.
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---
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## ๐ Performance
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Across 7 benchmarks, TableDART:
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- Achieves state-of-the-art results on 4/7 benchmarks among open-source models
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- Outperforms the strongest baseline by +4.02% accuracy on average
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- Maintains significant computational efficiency gains
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## ๐ฆ What This Checkpoint Contains
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This Hugging Face model includes:
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- The trained MLP gating network checkpoint
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โ ๏ธ Note: This checkpoint does not include the pretrained text or image expert models. Please load those separately according to the official repository instructions.
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---
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## ๐ Code and Usage
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Full training scripts, inference pipelines, and reproduction details are available at our Github Repository: https://github.com/xiaobo-xing/TableDART
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---
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## ๐ Paper
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ICLR 2026 OpenReview Version:
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https://openreview.net/forum?id=4aZTiLH3fm
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ArXiv Version:
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https://arxiv.org/abs/2509.14671
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---
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## ๐ Citation
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If you find TableDART helpful, please cite our paper and consider starring the repository.
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### ICLR 2026 Version
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```bibtex
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@inproceedings{xing2026tabledart,
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title={Table{DART}: Dynamic Adaptive Multi-Modal Routing for Table Understanding},
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author={Xiaobo Xing and Wei Yuan and Tong Chen and Quoc Viet Hung Nguyen and Xiangliang Zhang and Hongzhi Yin},
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booktitle={The Fourteenth International Conference on Learning Representations},
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year={2026},
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url={https://openreview.net/forum?id=4aZTiLH3fm}
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}
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```
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### ArXiv Version
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```bibtex
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@misc{xing2025tabledartdynamicadaptivemultimodal,
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title={TableDART: Dynamic Adaptive Multi-Modal Routing for Table Understanding},
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author={Xiaobo Xing and Wei Yuan and Tong Chen and Quoc Viet Hung Nguyen and Xiangliang Zhang and Hongzhi Yin},
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year={2025},
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eprint={2509.14671},
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archivePrefix={arXiv},
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primaryClass={cs.CL},
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url={https://arxiv.org/abs/2509.14671}
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}
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```
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