mlsanityData to 7 Oct 2026

RAG for recommendation

50 papers0 this weekHigh confidence in this grouping: the papers form one clear topicHigh confidence in this grouping: the papers form one clear topic · About

Keywords: recommendation, user, recommender, recommendations, recommender systems

Key facts. RAG for recommendation: 50 papers on arXiv since 2023 (data through 7 Oct 2026). 11 of its 50 mapped papers (22%) cite “CoRAL: Collaborative Retrieval-Augmented Large Language Models Improve Long-tail Recommendation” (2024, arXiv 2403.06447). 9 of its 50 mapped papers (18%) cite “Knowledge Graph Retrieval-Augmented Generation for LLM-based Recommendation” (2025, arXiv 2501.02226).

What’s new

Nothing new since 17 Sep. Latest: 23 Aug 2026.

Foundations

Most cited by papers here

  1. CoRAL: Collaborative Retrieval-Augmented Large Language Models Improve Long-tail Recommendation2024cited by 11 here
  2. Knowledge Graph Retrieval-Augmented Generation for LLM-based Recommendation2025cited by 9 here
  3. G-Refer: Graph Retrieval-Augmented Large Language Model for Explainable Recommendation2025cited by 6 here
  4. Retrieval-Augmented Conversational Recommendation with Prompt-based Semi-Structured Natural Language State Tracking2024cited by 3 here
  5. RALLRec: Improving Retrieval Augmented Large Language Model Recommendation with Representation Learning2025cited by 3 here

Lineage

The papers this direction builds on, oldest first.

Each paper on the line cites the one before.

  1. 2020REALM: Retrieval-Augmented Language Model Pre-Trainingcited by 5 here
  2. 2020Retrieval-Augmented Generation for Knowledge-Intensive NLP Taskscited by 25 here
  3. 2022Atlas: Few-shot Learning with Retrieval Augmented Language Modelscited by 2 here
  4. 2023REPLUG: Retrieval-Augmented Black-Box Language Modelscited by 2 here
  5. 2023In-Context Retrieval-Augmented Language Modelscited by 5 here
  6. 2023Active Retrieval Augmented Generationcited by 2 here
  7. 2023Self-RAG: Learning to Retrieve, Generate, and Critique through Self-Reflectioncited by 3 here
  8. 2023Retrieval-Augmented Generation for Large Language Models: A Surveycited by 11 here
  9. 2024G-Retriever: Retrieval-Augmented Generation for Textual Graph Understanding and Question Answeringcited by 3 here
  10. 2024From Local to Global: A Graph RAG Approach to Query-Focused Summarizationcited by 3 here
  11. 2024Graph Retrieval-Augmented Generation: A Surveycited by 4 here
  12. 2025G-Refer: Graph Retrieval-Augmented Large Language Model for Explainable Recommendationcited by 6 here
12 more it builds on, not in this chain
  1. 2022When Not to Trust Language Models: Investigating Effectiveness of Parametric and Non-Parametric Memoriescited by 2 here
  2. 2024Financial Report Chunking for Effective Retrieval Augmented Generationcited by 2 here
  3. 2024CoRAL: Collaborative Retrieval-Augmented Large Language Models Improve Long-tail Recommendationcited by 11 here
  4. 2024A Survey on RAG Meeting LLMs: Towards Retrieval-Augmented Large Language Modelscited by 6 here
  5. 2024Retrieval-Augmented Conversational Recommendation with Prompt-based Semi-Structured Natural Language State Trackingcited by 3 here
  6. 2024GRAG: Graph Retrieval-Augmented Generationcited by 2 here
  7. 2024GNN-RAG: Graph Neural Retrieval for Large Language Model Reasoningcited by 2 here
  8. 2024Inference Scaling for Long-Context Retrieval Augmented Generationcited by 2 here
  9. 2025Knowledge Graph Retrieval-Augmented Generation for LLM-based Recommendationcited by 9 here
  10. 2025Agentic Retrieval-Augmented Generation: A Survey on Agentic RAGcited by 2 here
  11. 2025RALLRec: Improving Retrieval Augmented Large Language Model Recommendation with Representation Learningcited by 3 here
  12. 2025Graph Retrieval-Augmented LLM for Conversational Recommendation Systemscited by 3 here

The 24 most cited of 80.

Browse

30 of 50, ranked 6–35

  1. 6Graph Retrieval-Augmented LLM for Conversational Recommendation Systems20253
  2. 7Retrieval-Augmented Purifier for Robust LLM-Empowered Recommendation20251
  3. 8KERAG_R: Knowledge-Enhanced Retrieval-Augmented Generation for Recommendation20251
  4. 9WebRec: Enhancing LLM-based Recommendations with Attention-guided RAG from Web20251
  5. 10Federated Recommendation via Hybrid Retrieval Augmented Generation20241
  6. 11RAMO: Retrieval-Augmented Generation for Enhancing MOOCs Recommendations20241
  7. 12Enhancing Tourism Recommender Systems for Sustainable City Trips Using Retrieval-Augmented Generation20241
  8. 13RaSeRec: Retrieval-Augmented Sequential Recommendation20241
  9. 14RUEL: Retrieval-Augmented User Representation with Edge Browser Logs for Sequential Recommendation20231
  10. 15MATRAG: Multi-Agent Transparent Retrieval-Augmented Generation for Explainable Recommendations20260
All 30
  1. 16R3-REC: Reasoning-Driven Recommendation via Retrieval-Augmented LLMs over Multi-Granular Interest Signals20260
  2. 17MMP-Refer: Multimodal Path Retrieval-augmented LLMs For Explainable Recommendation20260
  3. 18Retrieval Augmented Conversational Recommendation with Reinforcement Learning20260
  4. 19Retrieve-then-Adapt: Retrieval-Augmented Test-Time Adaptation for Sequential Recommendation20260
  5. 20Prominence-Stratified Failure Modes in Retrieval-Augmented Commercial Recommendation: A 37,000-Run Audit20260
  6. 21RAGEAR: Retrieval-Augmented Graph-Enhanced Academic Recommender20260
  7. 22Mixture-of-Experts Knowledge Graph Retrieval-Augmented Generation for Multi-Agent LLM-based Recommendation20260
  8. 23X-KGRank: A Knowledge Graph RAG Framework for Explainable Recommendations via Pattern Mining and LLM Re-Ranking20260
  9. 24GeoRisk-RAG: A Hierarchy-Aware Risk Framework for Improving RAG Reliability through Selective Answering20260
  10. 25RACCOON: A Retrieval-Augmented Generation Approach for Location Coordinate Capture from News Articles20250
  11. 26TutorLLM: Customizing Learning Recommendations with Knowledge Tracing and Retrieval-Augmented Generation20250
  12. 27Spatial-RAG: Spatial Retrieval Augmented Generation for Real-World Geospatial Reasoning Questions20250
  13. 28Semantic Retrieval Augmented Contrastive Learning for Sequential Recommendation20250
  14. 29DangerMaps: Personalized Safety Advice for Travel in Urban Environments using a Retrieval-Augmented Language Model20250
  15. 30RALLRec+: Retrieval Augmented Large Language Model Recommendation with Reasoning20250
  16. 31PathGPT: Reframing Path Recommendation as a Natural Language Generation Task with Retrieval-Augmented Language Models20250
  17. 32TP-RAG: Benchmarking Retrieval-Augmented Large Language Model Agents for Spatiotemporal-Aware Travel Planning20250
  18. 33LlamaRec-LKG-RAG: A Single-Pass, Learnable Knowledge Graph-RAG Framework for LLM-Based Ranking20250
  19. 34ARAG: Agentic Retrieval Augmented Generation for Personalized Recommendation20250
  20. 35Retrieval-Augmented Recommendation Explanation Generation with Hierarchical Aggregation20250