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2025-09-18 08:00:21

Mind the Gap: Aligning Knowledge Bases with User Needs to Enhance Mental Health Retrieval
Amanda Chan, James Jiayu Liu, He Kai, Onno P. Kampman
arxiv.org/abs/2509.13626

Mind the Gap: Aligning Knowledge Bases with User Needs to Enhance Mental Health Retrieval
Access to reliable mental health information is vital for early help-seeking, yet expanding knowledge bases is resource-intensive and often misaligned with user needs. This results in poor performance of retrieval systems when presented concerns are not covered or expressed in informal or contextualized language. We present an AI-based gap-informed framework for corpus augmentation that authentically identifies underrepresented topics (gaps) by overlaying naturalistic user data such as forum po…