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Daily edition · Information Retrieval

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TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

28 Sep 2026 edition

25 articles · 2 sources · 25 papers ·

Top topics: AI Research · AI · Information Retrieval

Information Retrieval AI AI Research

Bringing Agentic Search to Earth Observation Data Discovery

arXiv:2607.02387v2 Announce Type: replace Abstract: NASA and its data centers hold thousands of geoscience datasets and tools like Worldview, Giovanni, the Science Discovery Engine, and Harmony. Finding the right one is…

Source: arXiv cs.IR Minghan Yu, Youran Sun, Chugang Yi, Yixin Wen, Haizhao Yang
Information Retrieval AI AI Research

CG-Probes: Recovering Guardrail Directions from Patient Query Embeddings

arXiv:2609.31062v1 Announce Type: cross Abstract: Patient-facing AI assistants promise valuable support to patients, but incoming queries can pose medical risks. To create guardrails, we work with oncologists to define…

Source: arXiv cs.IR Marko \v{R}eh\'a\v{c}ek, V\'it\v{e}zslav Du\v{s}ek, Martin Rusinko, V\'it Nov\'a\v{c}ek
Information Retrieval AI AI Research

Recommendation World Models for Future-State Control

arXiv:2609.30711v1 Announce Type: new Abstract: Sequential recommendation optimizes which items to rank, while each displayed slate also shapes subsequent feedback and user state. We study how a trained ranker can…

Source: arXiv cs.IR Jinfeng Xu, Zheyu Chen, Ziyue Peng, Jianheng Tang, Zheng Lin, Jing Yang, Puzhen Wu, Zheng Xing, Victor C. M. Leung
Information Retrieval AI AI Research

Epstein Files Engine: Agentic Search for Investigative Journalism

arXiv:2609.30611v1 Announce Type: cross Abstract: On Jan. 30, 2026, the U.S. Department of Justice released a mixed-media collection concerning Jeffrey Epstein, including about three million pages of PDFs. We describe…

Source: arXiv cs.IR Duy K. Nguyen, Teresa Mondr\'ia Terol, Dylan Freedman, Zach Seward
Information Retrieval AI AI Research

T-RoPE: Time-Aware Rotary Position Embedding for Sequential Recommendation

arXiv:2609.30576v1 Announce Type: cross Abstract: Large-scale recommenders increasingly adopt the sequential generative recipe behind large language models, bringing the Transformer into recommendation along with design…

Source: arXiv cs.IR Yang Liu, Noel Loo, Ali Khanafer, Shuying Sun, Akshay Soni, Zhong Wu, Linjun Yang
Information Retrieval AI AI Research

Embedding Subspace Partitioning for Dynamic Multi-Objective Retrieval

arXiv:2609.30601v1 Announce Type: new Abstract: Modern industrial recommender systems must optimize across competing objectives, balancing semantic relevance with business metrics such as engagement and revenue. While…

Source: arXiv cs.IR Shaobo Zhang, Alice Leung, Yunxiang Ren, Ping Liu, Yuchin Juan, Qianqi Shen, Benjamin Le, Jianqiang Shen, Chengming Jiang, Ko-Cheng Wang, Vidya Krishnamurthy, Caleb Johnson, Fedor Borisyuk, Luke Simo…
Information Retrieval AI AI Research

On Function-Correcting Codes in the Lee Metric

arXiv:2507.17654v4 Announce Type: replace-cross Abstract: Function-correcting codes are a coding framework designed to minimize redundancy while ensuring that specific functions or computations of encoded data can be…

Source: arXiv cs.IR Gyanendra K. Verma, Abhay Kumar Singh
Information Retrieval AI AI Research

Component Benchmark: Hierarchical Model Profiling for Large-scale Recommendation Systems

arXiv:2609.30656v1 Announce Type: new Abstract: Large-scale recommendation models pose distinct, under-explored profiling challenges. Most recommendation model architectures are structurally heterogeneous, intermixing…

Source: arXiv cs.IR Dharak Kharod, Yuzhen Huang, Zhou Wang, Jackie Xu, Fuzail Khan, Jacky Zhou, Hao Yan, Lidong Zhao, Xizhou Feng, Yvonne Liu, Karthik Jayaraman, Praveen Ramachandran, Vishwa Karia, Yashasvi Makin
Information Retrieval AI AI Research

Bootstrapping Conversational Recommendation Agents At Spotify: Synthetic Data Generation and Self-Improvement Loops

arXiv:2609.30297v1 Announce Type: cross Abstract: Conversational recommendation agents are a new paradigm for content discovery, enabling users to express complex intents through natural language (e.g., "recommend…

Source: arXiv cs.IR Enrico Palumbo, Alexandre Tamborrino, Victor Ode, Ben Lacker, Adri\`a Casas Escoda, Jeremy Hopple, Marcus Better, James Leoni, Hugo Galv\~ao, Hugues Bouchard, Mounia Lalmas, Jos\'e Luis Redondo Garc\…
Information Retrieval AI AI Research

Where Does Retrieval-Based Open-Ended Evaluation Fail? Automatic Taxonomy Induction from Long-Form Medical Answer Factuality Verification

arXiv:2609.30467v1 Announce Type: cross Abstract: Retrieval-based factuality evaluation, where LLM-generated claims are verified against evidence from authoritative medical corpora, has become the dominant paradigm for…

Source: arXiv cs.IR Heyuan Huang, Jirui Dai, Alexandra DeLucia, Sonal Joshi, Mahsa Yarmohammadi, Jie Gao, Bernal Jim\'enez Guti\'errez, Mark Dredze
Information Retrieval AI AI Research

SignTrace: Describe a Sign, Find the Word

arXiv:2609.30295v1 Announce Type: cross Abstract: Identifying an unfamiliar sign is difficult when a learner remembers its movement but does not know its meaning or formal feature codes. SignTrace addresses this…

Source: arXiv cs.IR Zengji Tu, Xingye Zhu, Ningjing Wang, Tingyi Huang, Yangjunfeng Zhu, Dai Wan
Information Retrieval AI AI Research

Retail Product Search: A Practical Approach at Target

arXiv:2609.31498v1 Announce Type: new Abstract: Search is one of the most important features in e-commerce, directly driving customer engagement and business growth. A good product search system must show both relevant…

Source: arXiv cs.IR Darshan Sonagara, Qujiaheng Zhang, Ankit Singh, Alex Li
Information Retrieval AI AI Research

KuaFu: Compressing Long User Behavior into Understanding at Billion Scale

arXiv:2609.31045v1 Announce Type: new Abstract: Conversational agents, generative recommenders, and personalized advertising all rest on one capability: understanding each user from raw behavior. Prevailing industrial…

Source: arXiv cs.IR Jiahao Hui, Lin Zhu, Yishen Hu, Jingdong Shu, Zetai Jiang, Xining Ran, Ben Tan, Yeshou Cai, Gong Chen, Haijie Gu, Jie Jiang

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