Authorities

Topical authorities are sites which are well trusted and well cited by experts within their topical community. A topical authority is a page which is referenced from many topical experts and hub sites. A topical hub is page which references many authorities. Example potential topical authorities: the largest brands in your field the top blogger talking about your subject the Wikipedia or DMOZ page about your topic See also: Mike Grehan on Topic Distillation [PDF] Jon Klienberg's Authoritative sources in a hyperlinked environment [PDF] Jon Klienberg's home page Hypersearching the Web