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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
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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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