[1] Browser-Based Authentication (BBAuth) - YDN ( 版) <http://web.archive.org/web/20120521191442/http://developer.yahoo.com/bbauth/>
You build great web applications. We have millions of users who store their data on Yahoo!. Browser-Based Authentication (BBAuth) makes it possible for your applications to use that data (with their permission).
BBAuth also offers a Single Sign-On (SSO) facility so that existing Yahoo! users can use your services without having to complete yet another registration process.
[2] BBAuth - Making Authenticated Service Calls - YDN ( 版) <http://web.archive.org/web/20120419175109/http://developer.yahoo.com/bbauth/authcalls.html>