From XML and Shared Places on the Web XML Developers Conference Montreal -- August 19-20 1999. byGeoffrey C. Fox, Lukasz Beca, Marek Podgorny
<roles>
<object_roles name="viewer">
<role_item name="creator" mode="static" >
<user_group>syracuse</user_group>
</role_item>
<role_item name="observer" mode="static" >
<user_group>boston</user_group>
<user_group>washington</user_group>
</role_item>
</object_roles>
</roles>
The fragment of the SPDL document on this page defines the roles for the users of the shared object: in particular we illustrate with the roles creator and observer.