7 papers
AirFlow: Context Preserving and Multi-Rate State Modeling for Air Quality Forecasting
Fan Yang, Nan Chen, Yijie Dong +2
Accurate air quality forecasting is essential for public health and urban environmental management, but remains challenging because pollutant channels differ in periodicity and dis…
Rethinking Self-Evolving Agents: Do We Still Need Prescribed Optimization Pipelines?
Hui Xue, Fan Yang
Self-evolving agents are usually built around prescribed optimization pipelines: the framework decides how to gather evidence, revise a persistent artifact, select candidates, and…
Extreme Value Alpha and Crash Risk: Separating Structural Tails from Lottery Tails with LLM-Extracted Disclosure Networks
Lin Zhang, Fan Yang
A heavy upper tail in a stock's returns is ambiguous: it can be a lottery tail, transient jump risk that investors overpay for (the MAX discount), or a structural tail, the statist…
Sharp -Improving Estimates for Fixed-Radius Discrete Spherical Averages
Rui Han, Fan Yang
Let and let . When , assume that ; when , let be arbitrary. We prove the fixed-radius estimat…
SkillReason: Reasoning-Enhanced Agent Skill Retrieval for Implicit User Requests
Donghong Jiang, Endian Lin, Luoping Cui +6
Large language model agents increasingly rely on reusable skills to extend their capabilities beyond parametric knowl- edge. However, retrieving the appropriate skill from a large-…
PushDualGen: Enabling LLMs to Generate Semantic IDs with Interpretable Copy for Industrial Push Recommendation
Manjia Lin, Da Li, Yan Wang +9
Push recommendation in KuaiShou proactively delivers personalized content to nearly one billion users to facilitate their engagement. Recently, generative recommendation has achiev…