Author

A. Cheung

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Preprint Nov 2026

TrackMem: Tracking Evolving Beliefs in Long-Horizon Financial Dialogue

This work presents TrackMem, a per-speaker graph memory that tracks the history of figures, separates perspectives by entity and lens, and preserves each speaker's actions in chronological order and outperforms existing memory systems on both splits.

Austin Cheung, Harshad Gupta, Go Nam Lui et al. · 0 citations

Jun 2026

Low-Agreeableness Persona Conditioning for Safe LLM Fine-Tuning

This work introduces a persona-driven rewriting pipeline that conditions user turns on low agreeableness and pairs this with warm, de-escalating assistant responses, and shows that safer empathetic fine-tuning is achievable through data design alone, without safety labels, harm detectors, or changes to the training obj...

A. Cheung, Yi Yang · arXiv.org · 0 citations