Beyond Single Plots: A Benchmark for Question Answering on Multi-Charts (2026.findings-acl)
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| Challenge: | Existing research on chart understanding has been limited to single chart images. |
| Approach: | They propose a dataset specifically designed for question answering over multi-chart images. |
| Outcome: | The proposed method shows a 27.4% LLM-based accuracy drop on human-authored questions and a 5.39% gain in the human-generated questions. |
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