Sforce 6.0 API describes SelfServiceUser API as:

Quote:
SelfServiceUser API
The new release includes a new SelfServiceUser object that supports create, update, query, setPassword, and resetPassword calls. With this new object, you can enable single sign-on for your self-service users.

Is there any java example or detailed documentation about how to enable single sign on for the self service users?

Thank you,
Vilo