"The HITS algorithm is a two-step process, applying a sampling step that identifies a focused collection of several thousand Web pages likely to contain numerous pages considered authoritative on the topic, and a weight-propagation step that uses an iterative procedure to assign scores to pages regarding the quality of their hubness and authoritativeness."
http://dsonline.computer.org/0206/features/new_1.htm
Improving HITS:
http://www2002.org/CDROM/refereed/643/
Metadata Registry for the Semantic Web:
http://www.dlib.org/dlib/may02/wagner/05wagner.html
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