BM25-Guided LLM Reranking for Complex Queries, Visual Analytics for GraphRAG Pipelines, and More!

Vol.109 for Jun 16 - Jun 22, 2025

Stay Ahead of the Curve with the Latest Advancements and Discoveries in Information Retrieval.

This week’s newsletter highlights the following research:

1. Zero-Shot Enhancement of LLM Rerankers through BM25 Score Integration, from Seetharaman et al.

2. A Visual Analytics Framework for Debugging Graph-based RAG Systems, from Zhejiang University

3. Production-Scale Generative Recommendations with Reinforcement Learning, from Kuaishou

4. A Generative Approach to Cold-Start Recommendation via Sequential User Modeling, from ByteDance

5. A Reference-Anchored Approach for Zero-Shot Document Ranking, from Li et al.

6. Structure-Aware Code Chunking for Enhanced Retrieval-Augmented Generation, from CMU

7. A Modular Open-Source Framework for Efficient Retrieval-Augmented Generation Research, from Zhang et al.

8. A Learning-to-Rank Framework for Dynamic Retriever Selection in RAG Systems, from CMU

9. A Comprehensive Review of Multi-Interest Recommendation, from Li et al.

10. Hard Negative Mining through Hierarchical User Grouping in Recommendation Systems, from Credit Karma