BM25 is having a moment Google search interest in “BM25” jumped about 5× in early August 2025. Around the same time, OpenAI’s models started…
AI Webinar: Building an AI Ready Data Backbone
https://youtube.com/embed/kSrr8AMreGY Webinar I gave with AI Camp and Aiven on AI-ready data backbone, and specifically how OpenSearch unlocks AI-powered search and log analytics Blog…
Course Overview – AI-Powered Search: Modern Retrieval for Humans & Agents
AI-Powered Search authors Trey Grainger and Doug Turnbull are excited to kick off the second cohort of their immersive virtual course on AI Search…
A Year of Transformation for Learning to Rank in OpenSearch
2025 was a turning point for the Learning to Rank (LTR) plugin. After several years as a community-driven add-on that sat slightly outside the…
Trey Grainger – Wormhole Vectors
This lightning session introduces a new idea in vector search – Wormhole vectors! It has deep roots in physics and allows for transcending spaces…
LLM Judges aren’t the shortcut you think
Is “LLM as a judge” overhyped? After years of implementing LLM judges for clients, I find more of them recognize the limitations. LLM judges…
