= How to convert the apple address book to RDF =

These tools exist to do it:

 * [http://www.holygoat.co.uk/applications/address-book-foaf/address-book-to-foaf-converter Richard Newman's] python converter. there is an [http://www.holygoat.co.uk/applications/address-book-foaf/projects/ab/ab.py older version]
 * [http://people.no-distance.net/ol/software/ab-foaf/ AB-FOAF by Olivier Gutknecht] - a cocoa / python program.
 * [http://search.cpan.org/~kjetilk/XML-FOAFKnows-FromvCard/ XML-FOAFKnows-FromvCard] by KjetilK. Does only foaf:knows creation

Sources: Libby Miller, [http://leobard.twoday.net/stories/778100/ This blog entry].

= Documentation by Apple =

 * [http://developer.apple.com/documentation/AppleApplications/AddressBook-date.html Addressbook documentation+tutorial]
 * [http://developer.apple.com/documentation/UserExperience/Reference/AddressBook-date.html Addressbook reference]

An applescript file that does a starting thing
{{{
tell application "Address Book"
	set out to "<rdf:RDF xmlns:foaf='http://xmlns.com/foaf/0.1/' xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>"
	repeat with p in people
		set out to out & "<foaf:Person>"
		set out to out & "<foaf:name>" & (name of p) & "</foaf:name>"
		repeat with e in emails of p
			set out to out & "<foaf:mbox>mailto:" & value of e & "</foaf:mbox>"
		end repeat
		set out to out & "</foaf:Person>"
	end repeat
	set out to out & "</rdf:RDF>"
	out
end tell
}}}

= The DataSource itself =

It should copy/paste from the RDF-File datasource:  source:trunk/gnowsis/src/org/gnowsis/adapters/rdffile/RDFFileDataSource.java