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Yixing Fan

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Preprint Sep 2026

From Ranked Documents to Reliable Contexts: An Answer-Oriented Context Construct Framework for AI Search

Traditional Web search follows a human-facing paradigm in which users inspect ranked documents and synthesize information themselves. In AI Search, retrieved documents instead serve as inputs to a generation model, shifting the retrieval objective from ranking documents by Search Satisfaction to constructing reliable c...

Yun-Fei Zhong, Yin-Qiong Cai, Lixin Su et al. · 0 citations
Preprint Jul 2026

ZenGen: Social Mind for LLMs

ZenGen, an integrated framework for measuring, internalizing, and grounding social intelligence, and Actio, a harness-controlled inference architecture that routes four typed supports into reasoning demonstrate the effectiveness of typed runtime support.

ZenGen Team, Xiang Ao, Jingping Bi et al. · 0 citations
Conference Open access 2026

Stop Hardening Everything: A Training-Free Neuron-Level Defense for Neural Ranking Models

This paper introduces Search in the Model, a novel training-free framework that performs fine-grained identification and rectification of vulnerable neurons directly within the model, and develops a maximum marginal vulnerability criterion to precisely locate the top-K neurons most responsible for model vulnerability.

Yuansan Liu, Ruqing Zhang, Hongru Song et al. · 0 citations

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