Authors

Lijuan Tang

Publications 2

Preprint Open access

Typed Decision Models: An Early Evidence Audit and Evaluation Checklist

Lijuan Tang, Yuemeng Zheng · 2026

Typed decision models (TDMs) return probability distributions over caller-defined options without generating text. TypeSafe released Jev, a commercial typed decision model, on 15 September 2026, and a small body of evaluation and replication work appeared within days. We review 28 papers posted between 19 and 24 Septem …

Preprint Open access

Measuring the Serving Stack Instead of the Model: Hidden Confounds in Local Tool-Use Evaluation

Lijuan Tang, Yuemeng Zheng · 2026

A coding agent must emit a valid tool call--a parseable invocation of a tool in the provided schema--before the harness can execute its chosen action. We study how local serving stacks affect this protocol step and show that measured outcomes can depend on the serving layer rather than model behavior alone. In Ollama, …

Co-authors

Yuemeng Zheng