Attribute Provider: this role is described by Liberty Alliance [3].

The organization, the Liberty Alliance, was off to a good start, but its image was a bit of a problem.

Liberty Alliance, a consortium developing standards for federated identity management and web services.

There's something called the Liberty Alliance which was formed 10 years ago in 2001.

In February, 2007, the initiative was transferred to the Liberty Alliance to take the draft proposal forward and fully develop the standard.

Sun Microsystems and 33 other companies and organizations announced yesterday an online identification initiative, the Liberty Alliance.

Work is ongoing within the Liberty Alliance.

Liberty Alliance was formed in September 2001 by approximately 30 organizations to establish open standards, guidelines and best practices for identity management.

The Liberty Alliance began work on the Identity Assurance Framework in 2008.

The Ladies of Liberty Alliance was created in 2009, "to educate and empower female leaders within the liberty movement".