A Foundation Model for Generative Recommendation, A Unified Definition of Hallucination, and More!
Vol.137 for Dec 29, 2025 - Jan 04, 2026
Stay Ahead of the Curve with the Latest Advancements and Discoveries in Information Retrieval.
This week’s newsletter highlights the following research:
A Foundation Model for Generative Recommendation, from Kuaishou
A Unified Definition of Hallucination, from Liu et al.
Fine-Tuning Small Language Models for E-Commerce Agent Optimization: A PayPal-NVIDIA Collaboration, from Sahami et al.
Evaluating the Factuality Gap in Text-Based Explainable Recommender Systems, from Kabongo et al.
Enhancing Item-to-Item Recommendations with LLM-Based Data Generation and Filtering, from Alibaba
A Selective Regularization Framework for Context-Aware LLM Knowledge Integration in Recommendation Systems, from Yang et al.
Overcoming Inference Bottlenecks in Generative Slate Recommendation via Hierarchical Planning, from Tencent
Efficient Billion-Scale ANNS via Hierarchical I/O Governance Under Semantic Skewness, from Huan et al.
Instruction-Following Generative Recommendation with Fast-Slow Thinking, from JD[.com]
The Challenge of Teaching LLMs to Admit Ignorance, from Google Research


