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Ying-Long Xia

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Book Open access Aug 2026

Retrieval-Augmented Generation (RAG)— From Modular to Agentic Systems

This tutorial provides an in-depth treatment of modern RAG based on AI-facilitated systematic analysis of ~2000 recent papers (2020--2026) and traces the RAG pipeline from its modular foundations through graph-enhanced reasoning to the latest RL-driven agentic architectures, covering each stage.

Xin Dong, Sanat Sharma, Kai Sun et al. · 0 citations
#natural language process... Preprint Sep 2026

Auto-RecSys: Harnessing Autonomous Research Agents for Industry-Scale Recommender System

Auto-research agents have shown the potential to automate hypothesis generation, experiment execution, and iterative refinement. However, scaling this paradigm to industry-scale recommendation models introduces two challenges: (1) long feedback loops, where model training can take days, making serial iteration prohibit...

Ming Li, Dai-Peng Li, Xu-Ying Ning et al. · 1 citation
#artificial intelligence Preprint Sep 2026

Inference-Time Graph Engineering for Multi-Agent LLM Workflows

Recent multi-agent LLM systems increasingly rely on graph-structured communication to coordinate specialized agents. We revisit multi-agent orchestration from a graph-engineering perspective: rather than optimizing a static topology, we synthesize a task-conditioned temporal workflow graph that jointly specifies agent...

Katherine Tieu, Dong-Qi Fu, Ying-Long Xia et al. · 1 citation · ⚡1
Book Open access Aug 2026

Retrieval-Augmented Generation (RAG)— From Modular to Agentic Systems

Retrieval-Augmented Generation (RAG) has emerged as the dominant strategy to ground LLM outputs in retrieved evidence to reduce hallucinations and increase factuality, yet RAG itself introduces new challenges: noisy retrieval, knowledge conflicts, and wasted computation from unnecessary retrieval. This tutorial provide...

X. Dong, Sanat Sharma, Kai Sun et al. · 0 citations

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