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Daiting Shi

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Preprint Sep 2026

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

This work develops an industrial workflow spanning prior and posterior optimization and establishes a systematic evaluation protocol covering both retrieval-side context and final answers, demonstrating the effectiveness of the framework and its industrial implementation.

Yun-Fei Zhong, Yin-Qiong Cai, Lixin Su et al. · 0 citations
#machine learning Preprint May 2026

Beyond Imitation: Reflective On-Policy Self-Distillation for LLM Reasoning

Experiments show that Reflective On-policy Self-Distillation (ROSD), which distills transferable reasoning insights rather than complete reference trajectories, consistently outperforms standard OPSD and reinforcement learning baselines, better preserves reasoning diversity, stabilizes training, and mitigates late-stag...

Zi-Qi Zhao, Xin-Yu Ma, Liu Yang et al. · 16 citations
#natural language process... Preprint Sep 2026

F$^{2}$DR: A Fine-Grained Full-Pipeline Reward Framework for DeepSearch Workflows

F2DR evaluates DeepSearch workflows across three dimensions: Content, Trajectory, and Answer, enabling comprehensive process-level assessment, and constructs DeepSearch RM-Bench, a dedicated benchmark for evaluating RMs in DeepSearch scenarios.

Bo-Jian Xiong, Wen-Tao Ding, Yu-Jing Lu et al. · 0 citations
Book Open access Jul 2026

Population-Guided Intent-Aware Query Rewriting for Web Search

Population-Guided Intent-Aware Rewriting (PGIR) is proposed, which captures dominant population intent via a Semantic Clustering Unit (SCU) and generates intent-aware rewrites through a Rewriting Unit (U), aligning queries with mainstream search goals without requiring user history.

Yuanzhao Guo, Shuai Zhang, Ang Li et al. · 0 citations

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