Dataview groups for an user

The groups view lists all groups of a user with their identity.

<um:groups xmlns:um="http://onionworks.net/2004/usermanagement" xmlns:onion="http://onionworks.net/2004/data">

<um:group um:href="onion://usermanagement/groups/3" />

<um:group um:href="onion://usermanagement/groups/7" />

</um:groups>

Dataview for xlink onion://usermanagement/user/1