Collarity Relevance Web Engine

The 'Collarity Relevance Engine' aims to personalize your search results, tailoring them according to your personal interests and preferences.

When you search, 'it follows the choices you’ve made and it then uses that information to guide and rank results'. To get the most out of Collarity you will need to register (free).

Phil Bradley has written about Collarity on the Searching Engine Watch blog if you'd like to find out more.