OpenSource Connections Courses

Innovation in the Age of Artificial Intelligence

Explore how AI reshapes work and innovation for technologists, examining its potential to amplify human capabilities while navigating pitfalls and developing habits for thriving in an AI-infused future.

• YouTube
• 52 minutes
• Self-Paced
• Free Video

Optimizing Hybrid Search in OpenSearch - A Configuration and Dynamic Approach Tutorial

Master hybrid search optimization techniques in OpenSearch through hands-on configuration, data indexing, baseline creation, and dynamic modeling approaches for improved search relevance.

• YouTube
• 1 hour 44 minutes
• Self-Paced
• Free Video

Data-Driven Query Understanding to Supercharge Hybrid Search

Discover how to optimize hybrid search using machine learning for dynamic query adaptation, achieving 7%+ improvements in search quality metrics through data-driven parameter tuning.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

Haystack US 2025 - Lightning Talks on Search, RAG, and AI Technologies

Explore cutting-edge search and AI techniques through rapid-fire presentations covering vector databases, RAG optimization, quantization methods, and emerging search technologies.

• YouTube
• 1 hour 10 minutes
• Self-Paced
• Free Video

Enhancing Generative AI Evaluation with Synthetic Raters

Explore innovative Synthetic Raters as cost-effective alternatives to human experts for evaluating AI-generated content across medicine, law, and finance domains.

• YouTube
• 43 minutes
• Self-Paced
• Free Video

From Traditional Keyword Search to AI-Powered Search

Discover how to evolve from traditional keyword search to AI-powered solutions, covering semantic expansion, KNN search, Learning to Rank, and practical implementation challenges.

• YouTube
• 55 minutes
• Self-Paced
• Free Video

Judge Moody's - Automating Semantic Search Relevance Evaluation with LLM Judges

Discover how Moody's automated semantic search evaluation using LLM judges, achieving 80% agreement with experts while cutting experiment time from days to minutes.

• YouTube
• 48 minutes
• Self-Paced
• Free Video

Innovation in the Age of Artificial Intelligence

Explore how AI reshapes work, creation, and innovation for technologists, learning practical habits to nurture inventive thinking and thrive in an AI-permeated future.

• YouTube
• 52 minutes
• Self-Paced
• Free Video

Lexical Love - Rediscovering the Power of Lexical Search in RAG

Discover how lexical search enhances RAG workflows, solving semantic search limitations with precise matching, transparent results, and practical implementation techniques.

• YouTube
• 44 minutes
• Self-Paced
• Free Video

Persona Based Evaluation of Search Systems

Discover how to automate search evaluation using AI personas that simulate diverse users, eliminating manual test cases while ensuring dynamic coverage across multi-modal content.

• YouTube
• 40 minutes
• Self-Paced
• Free Video

Supercharging Search in OpenSearch - Harnessing User Behavior Insights for Continuous Improvement

Discover how to capture user behavior insights beyond basic search results to continuously improve OpenSearch systems and enhance user experience through data-driven optimization.

• YouTube
• 49 minutes
• Self-Paced
• Free Video

How Great Product Managers Build for Impact

Discover how search product managers can build strategic roadmaps that balance tactical demands with long-term vision while keeping stakeholders aligned and teams focused on impact.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

MiniCoil - A Hybrid Sparse Retrieval Model for Scalable and Context-Aware Semantic Search

Explore MiniCoil's hybrid sparse retrieval architecture that combines transformer embeddings with efficient dimensionality reduction for scalable semantic search systems.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Evaluating Search Features in Knowledge-Intensive Domains

Explore how AMBOSS developed and evaluated advanced search features like knowledge panels and vector search for medical information platforms without traditional metrics.

• YouTube
• 47 minutes
• Self-Paced
• Free Video

Beyond LLM-as-Judge Towards LLM Relevance Engineering

Explore advanced LLM ensemble techniques for search relevance engineering, moving beyond single judges to multi-strategy systems that guide feature development and optimization.

• YouTube
• 42 minutes
• Self-Paced
• Free Video