Faiss: The Missing Manual

By James Briggs

Facebook AI Similarity Search (Faiss) is one of the best open source options for similarity search. In this ebook, you will learn the essentials of vector search and how to apply them in Faiss to build powerful vector indexes.

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Introduction

Vector search has been used by tech giants like Google and Amazon for decades. It has been claimed to be a significant driver in clicks, views, and sales across several platforms. Yet, it was only with Faiss that this technology became more accessible.

In the past few years, vector search exploded in popularity. It has driven ecommerce sales, powered music and podcast search, and even recommended your next favorite shows on streaming platforms. Vector search is everywhere and in the following chapters you will discover why it has found such great success and how to apply it yourself using the Facebook AI Similarity Search (Faiss) library.