3 papers
cs.CL2026
Eval4Sim: An Evaluation Framework for Persona Simulation
Eliseo Bao, Anxo Perez, Javier Parapar +1
Large Language Model personas, explicit profiles specifying a user's attributes, preferences, and behavioural tendencies, are increasingly used to simulate human conversations for…
cs.LG2026
Rooted Absorbed Prefix Trajectory Balance with Submodular Replay for GFlowNet Training
Xi Wang, Wenbo Lu, Shengjie Wang
Generative Flow Networks (GFlowNets) enable fine-tuning large language models to approximate reward-proportional posteriors, but they remain prone to mode collapse, manifesting as…
cs.CL2025
TalkDep: Clinically Grounded LLM Personas for Conversation-Centric Depression Screening
Xi Wang, Anxo Perez, Javier Parapar +1
The increasing demand for mental health services has outpaced the availability of real training data to develop clinical professionals, leading to limited support for the diagnosis…