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Subject: RE: [xdi] Bill: question about cross-reference expansion
Thanks Drummond. I'll post the email for my action item tonight, I think that should help. I'll also make sure +a+b is one of the expansion examples in the email. Kind regards, Bill Barnhill Booz Allen Hamilton - Rome, NY 315-330-7386 | william.barnhill.ctr@rl.af.mil | barnhill_william@bah.com ________________________________________ From: drummond.reed@gmail.com [drummond.reed@gmail.com] On Behalf Of Drummond Reed [drummond.reed@xdi.org] Sent: Friday, December 04, 2009 12:50 AM To: OASIS - XDI TC Subject: [xdi] Bill: question about cross-reference expansion Bill, I was thinking about how this would work to "fully expand" all XDI addresses into "$ statements", i.e., into XDI statements consisting of all $words (plus the four GCS symbols and literals). It's a cool idea, and for a one-segment statement like +a, it's easy. +a (+/a) +/$has/a It is also easy for (+a). (+a) $$/$has//+a $$/$has//(+/a) $$/$has//+/$has/a But I got stuck trying to expand the statement +a+b. +a+b (+a/+b) +a/$has/+b (+/a)/$has/(+/b) (+/$has/a)/$has/(+/$has/b) At this point I don't know how to get rid of the parentheses and still make it a valid XDI statement. Ideas? =Drummond
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