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Xiaona Zhou

2 accepted papers

2026

Hierarchical Dataset Selection for High-Quality Data Sharing

AAAI 2026technical

The success of modern machine learning hinges on access to high-quality training data. In many real-world scenarios, such as acquiring data from public repositories or sharing across institutions, data is naturally organized into discrete datasets that vary in relevance, quality, and utility. Select

Cited by 0SourcePDFScholar
2025

PurpCode: Reasoning for Safer Code Generation

NeurIPS 2025poster

We introduce PurpCode, the first post-training recipe for training safe code reasoning models towards generating secure code and defending against malicious cyberactivities. PurpCode trains a reasoning model in two stages: (i) Rule Learning, which explicitly teaches the model to reference cybersafet…

Cited by 0SourceScholar