STITCH-RAG: Spatio-Temporal Influence Tracing over Topic Hypergraphs for Multi-Hop Retrieval-Augmented Generation

arXiv:2609.34127 · cs.IR, cs.AI · Submitted 2026-09-28 · Read on arXiv

cs.IR, cs.AI

Submitted: 2026-09-28

Updated: 2026-09-28

Code: https://github.com/HKUDS/LightRAG

Terminology

• Hypergraph — 1× in this paper · explained in 2 episodes
• RAG — 1× in this paper · explained in 3 episodes

Sources

• RAG vs Fine-tuning: Pipelines, Tradeoffs, and a Case Study on Agriculture
• From Local to Global: A Graph RAG Approach to Query-Focused Summarization
• LightRAG: Simple and Fast Retrieval-Augmented Generation
• IGMiRAG: Intuition-Guided Retrieval-Augmented Generation with Adaptive Mining of In-Depth Memory
• AutoRAG: Automated Framework for optimization of Retrieval Augmented Generation Pipeline
• StructRAG: Boosting Knowledge Intensive Reasoning of LLMs via Inference-time Hybrid Information Structurization
• Knowledge Is Not Static: Order-Aware Hypergraph RAG for Language Models
• Retrieval Head Mechanistically Explains Long-Context Factuality
• When to use Graphs in RAG: A Comprehensive Analysis for Graph Retrieval-Augmented Generation
• NodeRAG: Structuring Graph-based RAG with Heterogeneous Nodes
• Corrective Retrieval Augmented Generation
• LinearRAG: Linear Graph Retrieval Augmented Generation on Large-scale Corpora

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