A web-identifiable Internet mailbox associated with exactly one owner. This property is a 'unique property' in the DAML+OIL sense, in that there is at most one individual that has any particular personal mailbox.
A fully qualified international phone number, specified using the tel: URL scheme (refs: http://www.w3.org/Addressing/schemes.html#tel)
A short informal nickname characterising an agent (includes login identifiers, IRC and other chat nicknames).
a link to workplace homepage of the person
a link to work organisation homepage of the person - maybe synonymous with workplaceHomepage?
a homepage of a school attended by the person
a link to the publications of this person
a project a person has previously worked on
an organisation funding a project or person