Author

Changshuai Wei

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Preprint Aug 2026

Self-evolving Agentic Customer Support System at LinkedIn

LinkedIn's self-evolving agentic support system is presented, which integrates retrieval-augmented generation with evolutionary auto-prompting and a modular, production-aligned evaluation framework to enable safe, continuous improvement without retraining foundation models.

C. Wang, Mengdie Tu, Qianyu Zhang et al. · 0 citations

Preprint Aug 2026

From Prediction to Incrementality: Causal Optimization for Large-Scale Targeting and Recommendation

The end-to-end treatment policy delivered a statistically significant $+7.20\% lift in the primary long-term-value metric, demonstrating the feasibility of production-scale causal optimization under business constraints.

Changshuai Wei, John Bencina, Phuc Nguyen et al. · 0 citations