hierarchical models 1multimodal financial data 1synthetic data generation 1tabular data 1top-down bottom-up 1
From the 1 of 2 linked papers with an AI index.
2 papers
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…
cs.LG2026
Humanity's Last Exam
Long Phan, Alice Gatti, Ziwen Han +1144
Benchmarks are important tools for tracking the rapid advancements in large language model (LLM) capabilities. However, benchmarks are not keeping pace in difficulty: LLMs now achi…