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MOSAIC

MOSAIC is a 923-question benchmark for long-term omni-modal memory. Each question sits on a persona-grounded history of text, images, video, and audio. The release includes the questions, media, text corpora, retrieval indexes, and the paper's evaluation records.

784 questions are answerable and 139 are refusals. Set MOSAIC_DATA_ROOT to this folder when running the public evaluation code.

Layout

Directory Contents
dataset/stage2_human_filtered/ 70 persona files, 923 questions
dataset/media/ images, audio, and video
dataset/textualized_caption/ caption-text corpus
dataset/textualized_omni/ omni-text corpus
indexes/ RAG, A-MEM, and MemoryOS indexes
records/protocol_v1/ paper evaluation records

Question files store media_path values whose clean_output/media/ suffix matches dataset/media/. The evaluation code maps those paths when MOSAIC_DATA_ROOT is set.

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