Articles

The Latest Insights on Search and AI

  • OpenSearch Learning to Rank

    A Year of Transformation for Learning to Rank in OpenSearch
    2025 was a turning point for the Learning to Rank (LTR)
  • Doug Turnbull

    LLM Judges aren’t the shortcut you think
    Is “LLM as a judge” overhyped? After years of implementing LLM
  • AI-Powered Search: Modern Retrieval for Humans & Agents

    AI-Powered Search (the Course!): Modern Retrieval for Humans & Agents
    AI-Powered Search authors Trey Grainger and Doug Turnbull are excited to

  • An agent-coded search reranker
    Recently I’ve been used agents to create search rankers. I can

  • General purpose agentic loop in 40 lines of Python
    When rolling your own agent, tool calling comes with annoying plumbing

  • Reasoning boosts search relevance 15-30%
    In my previous article, I hypothesized reasoning agents work best with
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