Fine-Tuned LLM as a Complementary Predictor Improving Ads System
Recommendation systems power engagement and monetization across feeds, ads, and short-video platforms, but translating the latest advances in Large Language Models into Recommendation Systems (RecSys) gains remains rare, particularly in advertising and production-scale real-world industry setups. Prior real-world LLM successes typically fall into three buckets: (a) generative retrieval that directly predicts the next items for candidate generation, (b) late-stage re-ranking that uses LLMs, and (c) auxiliary signal enrichment with LLMs. We introduce a complementary paradigm for ads: a fine-tuned open-source LLM used not as a ranker, but as an ads-specific ancillary predictor, forecasting l...
| Authors | Hui Yang, Daiwei He, Kevin Jiang et al. |
|---|---|
| Primary category | cs.IR |
| Published | 27 May 2026 |
| Last updated at source | 27 May 2026 |
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