Blog posts discussing Hugh Williams, chief architect of eBay’s second major search engine known as Cassini.

eBay SEO Advanced
eBay’s Cassini Search Engine #1: An Introduction
Cassini, eBay’s search engine, is at the very heart of a seller’s success, and most of those talking about it online simply don’t understand it. The typical “expert” speaks so blithely about having Cassini figured out, they do this impressive software system a great injustice. […]