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Generating Benchmark Health Data Using a Tabular Diffusion Transformer

Cross-Tabular Data Generation (CTDG) seeks to learn a generative model from multiple heterogeneous tables and produce new synthetic tabular datasets. However, existing synthetic tabular data generation methods are largely restricted to single-input-table scenarios and struggle to effectively handle multiple heterogeneous tables with diverse feature sets. To address this limitation, we propose a…

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No Dumb Questions: What is AI context architecture? Why not just build your own?

In this No Dumb Questions, Phoebe asks Stack’s Engineering Manager Doug Whitley and Product Manager Ash Zade everything she wants to know about AI context architecture. What exactly is it?

  • AI context architecture integrates everything around the AI within the system.
  • It provides guardrails and constraints for AI agents to avoid ambiguous decision-making.
  • Context architecture and engineering blur boundaries, with architecture being design-focused.

Universal Thermodynamic Interatomic Potentials for Crystalline Materials

Free energies govern solid-state phase stability, yet computational materials discovery still relies largely on ground-state energies because free energy calculations require ensemble averages. We introduce the thermodynamic interatomic potential (TIP), which extends an interatomic potential from its static energy to a thermodynamically…

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