I referenced an Internet-Draft specification
http://www.ldap.com/1/spec/schema/schema-eupp-attribute.html
(to be published as I-D draft-wahl-schema-eupp-attribute-01.txt)
In this specification, the attribute type identifier URI is
http://www.ldap.com/1/schema/eupp/eupp.rdf#EnrolledUserPolicyProfiles
The data format URI is
http://www.ldap.com/1/schema/eupp/eupp.xml#spaceSeparatedUriList
The data type is
<xsd:simpleType name="spaceSeparatedUriList">
<xsd:restriction base="xsd:string">
</xsd:restriction>
</xsd:simpleType>
Mark Wahl
Informed Control Inc.