Cheat at Search Essentials
"New to search and retrieval? Need to catch up on decades of industry developments? Learn the core concepts of retrieval. How is search evaluated? What does BM25 mean? How does a search engine work? What is an embedding or a vector database? This short series gives you the ""ELI5"" (Explain Like I'm 5) overview of search and how it works, preparing you for other search course on the Maven platform"
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Fri May 8·4:00 PM UTC
Cheat at Search Essentials: BM25 + Lexical Retrieval
It's often said with agents, search has become the hard problem. Search has a long history and means more than vector databases. Let's learn how BM25 and similar techniques compliment your vector database. And why you might not want to always reach for embeddings. Part of "Cheat at Search - Essentials" intro to search course
You'll learn from
Doug Turnbull
Led search teams at Reddit, Shopify, Wikipedia, and more
Tue May 12·4:00 PM UTC
Cheat at Search Essentials: Embedding Retrieval
For decades, search techniques were dominated by lexical search. IE some form of 'dumb token matching'. Yet in the last decade, embedding based retrieval has completely upended that paradigm, giving us results focused on semantic search before strings.
You'll learn from
Doug Turnbull
Led search teams at Reddit, Shopify, Wikipedia, and more
Thu May 14·4:00 PM UTC
Cheat at Search Essentials: Evaluation, NDCG, and pals
To get better at search, know the core metrics teams have historically used to evaluate search. See where they stop working, and what to do about them.
You'll learn from
Doug Turnbull
Ex-Reddit, Ex-Shopify. Author: AI Powered Search+Relevant Search