About Usfoaf-search.net is a project of netEstate - a german company specialized in crawler, search engine and semantic web technology.
You can learn more about us on our german homepage.
Other projects of netEstate are:
A site to create and share text classifiers.
An event search engine for events described with the hCalendar microformat.
Our crawler calls itself "netEstate FOAF crawler" and is searching the web for RDF documents while respecting the robots exclusion standard. It is written in Java and uses the Jena framework. If an RDF document containing a foaf:name or foaf:nick property is found, it is posted to our triple store based on Joseki and TDB.