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Subject: Minutes: XDI TC Telecon Thursday 2011-10-27

Following are the minutes of the unofficial telecon of the XDI TC at:

Date:  Thursday, 27 October 2011 USA
Time:  1:00PM - 2:00PM Pacific Time (20:00-21:30 UTC)


Mike Schwartz
Joseph Boyle
Markus Sabadello
Giovanni Bartolomeo
Drummond Reed 



Giovanni just returned from ISWC - International Semantic Web Conference. There were about 550 attendees. He presented a poster on how XRI adds the ability to do composite identifiers to provide provenance, solving a problem with RDF Named Graphs. 

His goal now is to try to write a full paper for the next conference to fully flesh out the idea and provide some examples of how it could work in practice.

Mike and Giovanni talked about how the OpenXDI project's code might be useful to attract the interest of the Linked Data community, since the community is growing and developing more interest in some of the types of problems that XDI solves. Mike and Giovanni will explore that offline.

Mike and Drummond said that there were two sessions on XDI at Internet Identity Workshop  Oct. 18-20 in Mountain View, both hosted by Mike (and neither of which Drummond was able to go to due to conflicts). The first one was more general itnroduction/demo, similar to the presentation Mike did at the Telco 2.0 conference in New York. Attendance was small but influential. The second one was specifically on XDI link contracts. This one attracted more attendees (8), including the gentleman who wrote the 800-63 specifications on identity assurance at NIST, and Craig Burton.

Mike also did a demo of OXGraph during the IIW demo fair, and there was a great deal of interest. Mike, Joseph, and Drummond all also had talks with Harry Halpin from the W3C. 

Drummond said that after IIW he had lunch with Victor Grey, a former member of the TC, who is working on private social networks and is very interested in using XDI as the protocol for connecting them.


Mike said that there is a new version of OxGraph that supports messaging. He's hoping to have it ready to test with real XDI accounts for TC members next week.


Mike explained that the OpenXDI work on messaging is raising so key questions about authorization, i.e., how to specify authentication information to support authorization of messages. For example, an XDI server asking, "Is it really =!2222 who sent that message?)

We spent some time reviewing and working on the "Messaging for access to non-public resource" section:


More work remains.

# MIKE and DRUMMOND to work on this over the next few days.


Drummond talked with Mike at IIW about one obvious feature that we neglected in the XDI Discovery spec  proposal: resolution of cross-references to http: and https: URIs as  root nodes.

# DRUMMOND to add this to the XDI discovery page on the wiki.


The next call is next week at the regular time.

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