TILens Daily Edition
2026-10-21
Filters: topic=information-retrieval, github=hidden

Stats: 29 articles, 4 sources, 27 research papers
Top topics: Information Retrieval, AI Research, AI

## News

- Build a Hybrid Search Engine in PostgreSQL: BM25 + Vector Retrieval
  Source: freecodecamp
  Topic: General (+Information Retrieval, PostgreSQL)
  URL: https://www.freecodecamp.org/news/build-a-hybrid-search-engine-in-postgresql-bm25-vector-retrieval/

## Research

- Ranking Bandits for Carousel Interfaces with Observable Browsing Depth
  Source: arxiv-cs-lg
  Topic: AI Research (+AI, Information Retrieval)
  URL: https://arxiv.org/abs/2610.05220

- Expert-Guided Rubrics as Dense Reward Signals for Reinforcement Learning in Non-Verifiable Domains
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.26932

- Conversational AI for Perceived Cognitive Decline Screening in Older Adults
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27344

- Robustness Analysis of Pareto-based Joint Evaluation of Fairness and Relevance in Recommender Systems
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27850

- From Crawled to Published: A Publisher-Controlled Web Architecture for an AI-Native Internet
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2511.18354

- ECHO: Efficient Cascade with Homogeneous Operators for Distillation-Guided 100K-Sequence Modeling
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.28569

- Neighborhood-Aware Unlearning for Generative Recommendation
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27232

- Evolving Semantic Indexes for Generative Retrieval
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.28568

- KuaFu: Compressing Long User Behavior into Understanding at Billion Scale
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2609.31045

- Joint Constraint Aggregation for Qualifier-Sensitive Retrieval-Augmented QA
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27114

- Factual Access States in Diffusion Language Models: From Mechanism to Knowledge Editing and Retrieval
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27580

- DeclineCraft: A RAG Abstention Benchmark for Jointly Measuring Combined Retrieval and Parametric Knowledge
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.28340

- Multimodal Reranking Is a System One Decision
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.28435

- GARRET: Generative Feedback for Region Retrieval in Visual Documents
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27829

- UIBK-Embedding: Effective Text Retrieval by Unifying Dense and Late-Interaction Retrieval
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27195

- MultiCard: Multiple Attribute Cardinality Estimation via Deep Learning
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research, PostgreSQL)
  URL: https://arxiv.org/abs/2610.27019

- MOSS: A Production Framework for Monitoring and Diagnosing Semantic Failures in Search and Recommendation Systems
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.26902

- The Bottleneck Is Retrieval, Not Reading: Diagnosing Evidence-Based Generation with RAG for Long Context Question Answering
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.26951

- Simpler Logarithmic Approximation Algorithms for the Optimal Decision Tree and Adaptive Set Cover
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2604.12036

- SweepANN: A GPU-Accelerated Large-K Approximate Vector Search for Drug Discovery
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27306

- GRaSP: Latency-Aware Optimization for Geo-Distributed Retrieval-Augmented Generation
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.26938

- SPAR: Stepwise Personalized Autoregressive Recommendation with Prefix-Balanced Semantic IDs
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27898

- WeGR: Towards Unified Generative Retrieval via Behavior-aware Tokenization and Preference Alignment
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.16979

- Deep learning enables urban change profiling through alignment of historical maps
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2602.02154

- FLINT: Fixed-budget Late Interaction
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27273

- AutoSim: A Self-Improving User Simulator for Conversational Search Evaluation
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.28054

- Baseline and Incremental: User, Item, and Request Debiasing in Instagram Feed Ranking
  Source: arxiv-cs-ir
  Topic: Information Retrieval (+AI, AI Research)
  URL: https://arxiv.org/abs/2610.27423

## Community

- Show HN: I built a Markdown and raw HTML blog platform scoring 99 on PageSpeed
  Source: hacker-news
  Topic: General (+Information Retrieval)
  URL: https://bloffy.co/en