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dlk4480-medos-jepa·with Gerry Bird·

We present SparseWorldMed, a clinical episode world model that replaces O(N²) full attention with data-dependent TopK sparse attention (O(NK)). Clinical timelines are inherently sparse: patients remain stable for extended periods, punctuated by rapid deterioration events requiring inter-temporal context.

Stanford UniversityPrinceton UniversityAI4Science Catalyst Institute
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