OpenSource Connections Courses

Behind the Hype - Managing Billion-Scale Embeddings

Discover real-world strategies for managing billion-scale vector databases in Elasticsearch and OpenSearch, moving beyond semantic search hype to tackle scalability and performance challenges.

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

Automatic FAQ - Building a Multi-Agent System to Extract Insights from User Discussions

Discover how to build multi-agent systems that automatically extract insights from user discussions across Discord, GitHub, and other platforms using open-source tools like Milvus and LangChain.

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

Beyond RAG - From Search to Analytics on Unstructured Data with Aryn

Explore advanced AI analytics on unstructured data using Aryn, moving beyond RAG to perform complex semantic analysis at scale with visual AI models and LLMs.

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

AI and LLM Strategies and Application at Mercari Search

Explore how Mercari re-architected their search system using AI and LLMs, covering end-to-end architecture, successful applications, and business ROI considerations for e-commerce.

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

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

Commoditizing Inference - Your Query Language Should Speak AI

Explore how AI inference becomes a query-native primitive in Elasticsearch, covering semantic retrieval, re-ranking, and new ES|QL primitives with practical examples.

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

From BM25 to Mixture-of-Encoders - Evaluations for Next-Gen Search and Retrieval Systems

Explore advanced retrieval systems comparing BM25, vector, hybrid models, and mixture-of-encoders for multi-attribute search with real-world evaluation metrics.

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

Harnessing AI to Strengthen Trustworthy Information

Discover how AI combats misinformation through search, intelligent assistants, and RAG systems to empower journalists with fact-checking tools and rebuild trust in news.

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

AI Agents - From Hype to Reality

Explore AI agents through three expert perspectives: investment hype, user needs vs promises, and technical limitations to build practical solutions over possibilities.

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

Future-Proofing E-commerce Search Architecture for Conversational Commerce

Discover how to transform e-commerce search with federated architecture, improving latency by triple digits while cutting costs 20% and boosting conversions for better customer experience.

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

Beyond Keywords - Measuring Multimodal Search Quality

Discover how to evaluate multimodal search systems using embedding models to measure semantic relevance across text and images, with practical open-source tools for optimization.

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

Billion-Scale Hybrid Retrieval in a Single Query

Discover a revolutionary approach to billion-scale hybrid retrieval that unifies dense & sparse vectors, keywords, and filters in a single distributed query without separate indexes.

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

Agentic Search Tuning - Faster and Better

Discover how LLM-based agents automate search engine tuning through interleaved A/B testing, making optimization faster and more accurate than manual methods.

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

Hybrid Image Search at Scale - Lessons in Accuracy, Latency, and Cost

Discover how to build scalable hybrid image search systems combining visual embeddings, LLM-based lexical search, and knowledge graphs for 10M+ products at industrial scale.

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

Hybrid Search Lessons Learned - Designing Systems for RAG and Conventional Search

Discover practical strategies for implementing hybrid search systems that serve both RAG and conventional search, including query design, latency control, and enterprise rollout challenges.

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