Information Retrieval Courses and Certifications

OpenSource Connections

Agentic Search Tuning - Faster and Better

LLM agents and interleaved A/B tests automate search tuning, speeding up experiments and coordinating deployment.

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

OpenSource Connections

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

Lessons from moving an organization beyond keyword matching, with practical strategies for designing and bringing hybrid search into production.

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

AICamp

Scaling Enterprise AI with Hybrid Search and Tensors on Vespa.AI

Explores how dense and sparse vectors, tensor-based ranking, and lexical search combine to retrieve precise results from complex enterprise data.

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

Trelis Research

Keyword vs Vector Search: Pros, Cons, and Implementation Techniques

Compare keyword and vector retrieval, then see how BM25 and hybrid search handle long documents, rare terms, and query results in Postgres.

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

OpenSource Connections

Data-Driven Query Understanding to Supercharge Hybrid Search

Learn to replace static hybrid search settings with query-specific machine learning that adapts relevance parameters to user intent.

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

OpenSource Connections

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

A rapid tour of search and RAG ideas, from database-free retrieval and chunk reranking to web-scale retrieval for LLMs.

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

OpenSource Connections

Persona Based Evaluation of Search Systems

Simulate diverse user personas to generate adaptive query-result tests for multimodal search catalogs, reducing manual test maintenance as content changes.

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

GeeCON Conference

LLM - Search Engine Killer?

Examines whether language models can replace search engines for knowledge questions, and how combining LLM answers with keyword and semantic search can improve results.

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

Abhishek Thakur

Build Your Own Hybrid Search - BM25 and Vector Embeddings with Reciprocal Rank Fusion

Build a hybrid search system by combining BM25 results with vector embeddings and reciprocal rank fusion.

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

CMU Database Group

TopK - Billion-Scale Hybrid Retrieval from the Ground Up

A ground-up account of TopK hybrid retrieval designed to operate at billion scale.

• YouTube
• 1 hour 1 minute
• Self-Paced
• Free Video

Career Certificate

Learn Retrieval Augmented Generation

154 ratings at Boot.dev

Build a RAG pipeline in Python: clean corpora, rank with TF-IDF and BM25, chunk documents, search embeddings in vector databases, rerank results, and evaluate retrieval quality.

• Boot.dev
• 40 hours
• Self-Paced
• Paid Course

Complete Guide to Elasticsearch

25483 ratings at Udemy

Learn Elasticsearch from scratch and begin learning the ELK stack (Elasticsearch, Logstash & Kibana) and Elastic Stack.

• Udemy
• 12 hours 57 minutes
• Self-Paced
• Paid Course

Music Information Retrieval - Sound to Score and Music Theory - Video 9a

An introduction to how translating audio into notation raises problems in music theory and analysis.

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

EuroPython Conference

Music Information Retrieval with Python

Explore how Python supports music information retrieval, from analyzing and generating music to interacting with it through code.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Career Certificate

Data Mining

2954 ratings at Coursera

Mine structured and unstructured data: discover patterns, cluster data, build text retrieval and search engines, visualize data, and tackle Yelp restaurant review challenges.

• Coursera
• 12 weeks, 10 hours a week
• Self-Paced
• Paid Course
• 6 courses