Author

Hao Liu

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Jul 2026

DSWorld: A Data Science World Model for Efficient Autonomous Agents

The concept of Data Science World Model is introduced, which model the data science execution environment by predicting environment state transitions conditioned on current workflow states and candidate operations and proposes DSWorld, a practical framework that combines structured state construction, cost-aware routin...

Zhe-Rui Yang, Fan Liu, Hao Liu · arXiv.org · 0 citations

#artificial intelligence Preprint Jun 2026

DS-Lighting: Making Agent Harnesses Explicit for Data-Science Automation

DS-Lighting is introduced, a unified harness toolkit that makes harness design explicit for data-science automation and integrates multiple open-source data-science benchmarks into an MLE-Bench-style task format, enabling controlled comparison under a shared task interface, sandboxed runtime, and metric protocol.

Fan Liu, Hao Liu · 0 citations