ZDNet: Amazon snags BookMatcher patentMay 31, 2000, 23:18 (7 Talkback[s])
(Other stories by Margaret Kane)
[ Thanks to Nobody for this link. ]
"Amazon.com Inc. has been granted a patent on its BookMatcher service, a process that uses collaborative filtering to make book recommendations to patrons."
"Patent No. 6,064,980, issued May 16 by the U.S. Patent and Trademark Office, covers a process by which products are recommended to a user based on the ratings given by previous users. The Amazon patent includes a technique to automatically update the database of recommended items based on the underlying database of books available. It also uses statistical analysis to validate recommendations before offering them...."
"In March, Amazon CEO Jeff Bezos called for patent reform, saying the process needed to be overhauled to reflect the different nature of software innovation. Amazon did not return calls for comment on the BookMatcher patent."