arXiv Machine Learning By Qazi Mamunur Rashid, Xuan Yang, Zhengzhe Yang, Yanzhou Pan, Erin van Liemt, Darlene Neal, Kshitij Pancholi, Jamila Smith-Loud

NodeSynth: Socially Aligned Synthetic Data for AI Evaluation

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NodeSynth is a method that generates socially aligned synthetic data by combining a fine‑tuned taxonomy generator with credible sources and extracted sensitive attributes to produce queries that reflect real societal contexts and nuanced harms. In evaluations across ten open‑weight and proprietary large language models on Medical Advice and Self‑Harm tasks, NodeSynth outperformed generic synthetic baselines, structured synthetic benchmarks, and authentic human‑authored queries, inducing higher failure rates that highlight model vulnerabilities. Ablation and variance attribution studies show that the granular Level 3 taxonomic expansion and sociotechnical grounding of queries drive these failure rates, underscoring the importance of nuanced data for high‑stakes evaluation.

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arXiv Computation and Language
6d ago

NodeSyn: Socially Aligned Synthetic Data for AI Evaluation

NodeSyn is a method that generates socially aligned synthetic data for evaluating AI models. It combines a fine‑tuned taxonomy generator with credible sources and sensitive attributes to produce queries that reflect real societal contexts and nuanced harms. In tests across ten LLMs in Medical Advice and Self‑Harm, NodeSyn outperformed generic synthetic baselines, raising failure rates significantly and revealing that failures stem from both topic selection and sociotechnical grounding.

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