Author

Qingxin Fan

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Preprint Aug 2026

LENS: In-Context Search via Latent Evidence Exploration over Dynamic Raw Documents

This work formulate in-context search as Budgeted Evidence Localization over a latent evidence space induced by dynamic raw documents and propose LENS (Latent Evidence Exploration and Search), an index-free framework that is query-ready after corpus changes, needs no preprocessing or persistent index, and preserves sou...

Xingjun Wang, Gongsheng Li, Qingxin Fan et al. · 0 citations

Preprint Jul 2026

Compile, Then Page: Executable SOP Programs and a Capability-Gated Runtime for Procedural LLM Agents

Enterprise agents must follow long-horizon, conditional, safety-critical standard operating procedures (SOPs), which are compiled into executable pseudo-code and run with a program-guided stack machine that pages the active frame while an LLM performs semantic execution.

Chenglin Yu, Lichao Yin, Qingxin Fan et al. · 1 citation