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hierarchical models 1multimodal financial data 1synthetic data generation 1tabular data 1top-down bottom-up 1

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1 paper

cs.LG2026

Hierarchical Synthetic Tabular Data Generation: A Hybrid Top-Down and Bottom-Up Framework

Junfeng Nie, Alvin Jin, Xiaohui Chen

The paper introduces a hierarchical hybrid framework that combines top‑down semantic constraints with bottom‑up lightweight tabular generators to create synthetic tabular data that…