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information utilization 1raw identifiers 1recommender systems 1semantic ids 1semantic planning 1

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1 paper

cs.IR2026

From Raw IDs to Semantic Planning: How Recommender Systems Utilize Information at Scale

Changhong Jin, Shiqiu Yang, Roger Zhe Li +8

The paper surveys how industrial recommender systems have moved from using opaque raw identifiers to richer semantic IDs that embed item content and context, and proposes a future…