A transformer trained to generate the next user for a cold-start item, matched via HNSW, improves Douyin's cold-start metrics in online A/B tests.
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Next-User Retrieval: Enhancing Cold-Start Recommendations via Generative Next-User Modeling
A transformer trained to generate the next user for a cold-start item, matched via HNSW, improves Douyin's cold-start metrics in online A/B tests.