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Subject: Minutes: XDI TC Telecon Thursday 1:00-2:00PM PT 2011-05-26
- From: Drummond Reed <drummond.reed@xdi.org>
- To: OASIS - XDI TC <xdi@lists.oasis-open.org>
- Date: Fri, 27 May 2011 17:21:27 -0700
Following are the minutes of the unofficial telecon of the XDI TC at:
Date: Thursday, 26 May 2011 USA
Time: 1:00PM - 2:00PM Pacific Time (20:00-21:30 UTC)
ATTENDING
Bill Barnhill
Mike Schwartz
Markus Sabadello
Joseph Boyle
Drummond Reed
THE GOTOMEETING FOR TODAY IS:
THE IDEARPAD LINK FOR TODAY IS:
1) UPDATES
We haven't had a call for three weeks, so we started with general updates.
- Markus
has been busy at the European Peace Academy, and has been talking to
them about XDI and the federated social web. He has been following our
key developments, however, and plans to get more active once his EPA
term is done in 3 months.
- Bill
has been talking to Neil, who is planning the upcoming Cloud Symposium
in London October 10-13 ,to reserve a space at the event for XDI. Bill
is proposing an XDI TC contribution to the forum, particularly if he is
able to get funding to go.
- Mike
said that OpenLDAP is having LDAPCon in Heidelberg. He doesn't think
he'll be able to go, but wanted to point out that we are getting close
to being able to talk to the LDAP community about XDI.
- Drummond
gave a brief update about Connect.Me, explaining that they have
launched a simple Twitter tagging application at tag.connect.me.
2) REVISED XDI GRAPH PATTERN DOCUMENT AND CORRESPONDING XDI STATEMENT DOCUMENTS
Scott
McGrath fixed the PDF uploads, so below are links to the latest
versions of The XDI Graph Model, XDI Graph Patterns, and XDI Statements
for XDI Graph Patterns.
Drummond would like to merge those into one document in advance of beginning our work on the specs (see below).
3) OXGRAPH
Mike
said that OpenXDI has implemented the basic operations, i.e., $get,
$add, $mod, $del. The most complicated is $del, because it can go
through an entire subgraph. $mod was the easiest since you can only
update an XDI literal.
The next focus is the server. Mike hopes to have the server out in about two weeks.
Mike
gave a demo of OxGraph, and how it worked with the different XDI
example graphs. After the server is ready, Mike would like to add
support for showing XDI operations in OxGraph.
Markus
explained that in his set of XDI utilities, he had two text boxes, one
for the graph and one for the message being applied to the graph.
Bill
asked about the status of dictionaries. Drummond said he has done work
on the basic patterns but that we need to document the core patterns
just like the others we have done. Bill suggested that in terms of
content, we should look at the several of the most-used RDF ontologies:
FOAF and SIOC (pronounced "shock").
4) SPEC DRAFTING
Mike
asked about how close we are to formal drafting of 1.0 specs. Drummond
offered the opinion that we are pretty close, at least to the XDI Graph
Model and XDI Serialization specs, but that the key question is the
resource to draft the spec docs themselves. There was wide consensus
that the current TC membership is too busy with implementation and
business activities to take on major spec drafting activity at this
time.
Bill feels that the spec must be as modular as we can make it.
With
regards to how we might get more resources to draft the actual spec
documents, Drummond offered the view that the core TC members must be
involved. Mike said he might be able to get some help from Yuriy on the
OpenXDI project.
We discussed the current breakdown on the XdiOneSpec page:
We
agreed that the two most important specs are XDI Messaging and XDI
Dictionary. Drummond pointed out that those two specs need the Graph
Model and Serialization.
4) NEXT CALLS
The
next call will be next week at the regular time. We also agreed that
the call two weeks from now will focus on XDI dictionaries, since we
hope Giovanni can attend that call.
------------
ONGOING ISSUES LIST
Each of these is a candidate for the agenda for future calls.
* TRANSACTIONAL INTEGRITY FOR XDI (added 2011-03-24)
Since
versioning, as one example, involves multiple transactions that must
be commited as a group, we will need to address transactional
integrity. Specifically, we need to define how this will be handled at
the protocol level, vs. the implementation level.
* PROPOSED CONSTRUCTS/OPERATORS FOR XDI
Discuss the following wiki page originally posted by Giovanni:
* DICTIONARY STRUCTURE
Mike would like an example of the PDX dictionary as soon as we can do it.
* EQUIVALENCE SEMANTICS
Close on whether we need an additional $ word that is the equivalent
of Higgins Personal Data Model (PDM) semantics of h:correlation,
which is not as strong as $is.
* COOL URIS
Continue previous discussion about the use of standard RDF URIs in XDI:
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