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cs.IR2026
Lost in the Evidence? Reproducing Document Position and Context Size Effects in RAG
Jorge Gabín, Anxo Perez, Javier Parapar
Retrieval-Augmented Generation (RAG) systems rely on retrieved documents being concatenated into a model's input context, making both document ordering and context size critical ye…
cs.CL2026
Learning Evidence of Depression Symptoms via Prompt Induction
Eliseo Bao, Anxo Perez, David Otero +1
Depression places substantial pressure on mental health services, and many people describe their experiences outside clinical settings in high-volume user-generated text (e.g., onl…
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…