Dimitri P. Bertsekas, The Auction Algorithm for Assignment and Other Network Flow Problems: A Tutorial, Interfaces, Vol. 20, No. 4, The Practice of Mathematical ...

A search algorithm is a massive collection of other algorithms, each with its own purpose and task. Here's how it all works.

This is a very powerful asymmetry: Anyone can notice a change in search results, but it’s extremely difficult to prove what caused it. That gives algorithm designers immense deniability.

A9 is Amazon’s organic product ranking algorithm that is composed of direct and indirect factors used to match users’ search queries to products they are most likely to purchase.