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Subject: Minutes: XDI TC Telecon Thursday 1-2PM PT 2010-04-01
Following are the minutes of the unofficial telecon of the XDI TC at: Date: Thursday, 01 April 2010 USA Time: 1:00PM - 2:00PM Pacific Time (21:00-22:00 UTC) ATTENDING Giovanni Bartolomeo Markus Sabadello Joe Boyle Drummond Reed 1) PDX Drummond explained that there is work underway to develop a dialect of XDI for personal data exchange called PDX. At least three companies are pursuing this and a number of others are interested. He will keep the TC appraised of progress. 2) $HAS STATEMENT EXPRESSION OPTIONS Our main topic was to discuss the different options for expressing $has relationships as outlined in this thread: http://lists.oasis-open.org/archives/xdi/201004/msg00002.html We discussed whether the three examples Drummond provided are semantically equivalent. Giovanni felt that while they may be logically equivalent, they were not resolution equivalent. Drummond explained that this could create a huge interop problem if the TC does not address this by specifying a normalized or canonicalized form of the XDI graph. Giovanni preferred the second example, where every predicate is a single subsegment. Others did not have a strong opinion yet. # ACTION: Giovanni will write up rationale for why the second form should be the canonical form. 3) NEXT CALL Note: NO CALL NEXT WEEK due to spring break in the U.S.
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