BM25 Courses and Certifications

Tech with Tim

AI Has Changed Databases Forever - How BM25 and Hybrid Retrieval Transform Database Search

Discover how AI transforms database search with BM25 ranking and hybrid retrieval in PostgreSQL, moving beyond traditional search limitations for better results.

• YouTube
• 17 minutes
• On-Demand
• Free Video

Abhishek Thakur

A No-Nonsense Introduction to BM25

Discover BM25, the ranking algorithm powering search engines. Learn term frequency, inverse document frequency, document length effects, and key parameters k₁ and b for better search performance.

• YouTube
• 16 minutes
• On-Demand
• Free Video

Abhishek Thakur

Building a Real Search Engine - BM25 Implementation with Vespa and Python - Part 1

Discover how to build a BM25 keyword search engine using Vespa and Python, covering schema definition, Docker setup, dataset streaming, and query implementation in 25 minutes.

• YouTube
• 25 minutes
• On-Demand
• Free Video

James Briggs

Vector-Based Methods for Similarity Search - TF-IDF, BM25, SBERT

Explore three vector-based approaches for language comparison and document similarity: TF-IDF, BM25, and Sentence-BERT. Learn key techniques for building effective search engines in AI and machine learning.

• YouTube
• 29 minutes
• On-Demand
• Free Video

Learn Retrieval Augmented Generation

71 ratings at Boot.dev

Master modern search techniques from keyword to vector search, building complete RAG pipelines with Python, embeddings, LLMs, and multimodal retrieval systems.

• Boot.dev
• 40 hours
• On-Demand
• Paid Course

End-to-End RAG with Weaviate

Master RAG with Weaviate! Embed text and images for retrieval, and experiment with vector, BM25, and hybrid search.

• DataCamp
• 2 hours
• On-Demand
• Free Trial Available

James Briggs

SPLADE - The First Search Model to Beat BM25

Explore SPLADE, a groundbreaking sparse embedding model for AI-powered search. Learn its advantages over traditional methods, implementation techniques, and potential future developments in vector search technology.

• YouTube
• 29 minutes
• On-Demand
• Free Video

James Briggs

Supercharge eCommerce Search - OpenAI's CLIP, BM25, and Python

Build a multi-modal hybrid search engine for e-commerce using OpenAI's CLIP, BM25, and Python. Learn to process text and image queries, create embeddings, and implement efficient search functionality with Pinecone vector database.

• YouTube
• 35 minutes
• On-Demand
• Free Video

Trelis Research

Mastering Retrieval for LLMs - BM25, Fine-tuned Embeddings, and Re-Rankers

Enhance LLM retrieval with advanced techniques: BM25, fine-tuned embeddings, and re-rankers. Learn document chunking, semantic search, and performance optimization for improved AI-powered information retrieval.

• YouTube
• 1 hour 50 minutes
• On-Demand
• Free Video

OpenSource Connections

Learning to Hybrid Search: Combining BM25, Neural Embeddings, and Customer Behavior

Combine BM25, neural embeddings, and customer behavior for ultimate ranking. Compare traditional, LTR, and neural search approaches in e-commerce using Amazon's ESCI dataset.

• YouTube
• 46 minutes
• On-Demand
• Free Video

OpenSource Connections

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
• On-Demand
• Free Video

Abhishek Thakur

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

Discover how to upgrade a BM25 search engine into a hybrid system combining BM25 with vector embeddings using reciprocal rank fusion for enhanced semantic search capabilities.

• YouTube
• 23 minutes
• On-Demand
• Free Video

Beyond Basic RAG using JavaScript: Improving the Pipeline

Master advanced RAG techniques in JavaScript: hybrid retrieval with BM25+embeddings, iterative query refinement, constrained generation, and context optimization for enhanced AI systems.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Beyond Basic RAG: Improving our Pipeline in Java

Master advanced RAG techniques in Java: hybrid retrieval with BM25+embeddings, iterative query refinement, constrained generation, and context summarization for enhanced accuracy.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate

Beyond Basic RAG: Improving our Pipeline

Master advanced RAG techniques including hybrid retrieval, iterative querying, context summarization, and constrained generation for more accurate and reliable AI systems.

• CodeSignal
• 2 hours
• On-Demand
• Free Certificate