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Subject: DRAFT MINUTES - Web Services Calendar (WS-Calendar) TC - 19 March 2010
Draft minutes of the TC meeting are available at
http://www.oasis-open.org/apps/org/workgroup/ws-calendar/download.php/37100/Minutes_WS-Calendar-TC_20100319_Draft.txt
Regards,
Gershon Janssen
---
DRAFT MINUTES
Web Services Calendar (WS-Calendar) TC
19 March 2010 12:00pm ET, 05:00pm CET
--> EU participants, please observe the time due to US DST change!
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No need for an audio PIN
Thanks to LONMARK for the conference call support.
NEW ACTION ITEMS:
- Kavi #0004 / AI20100319-001 - Toby Considine
Put link to modern iCalendar and expository material on the TC home page
- Kavi #0005 / AI20100319-002 - Gershon Janssen
Send URL on icom wiki to list
Scribe: Gershon Janssen
0. Roll call, Agenda review
Meeting Attendees
Name Company Status
----- ------- ------
Toby Considine University of North Carolina Chair
Gershon Janssen Individual Secretary
William Cox Cox Software Architects LLC Member
Robert Old Siemens AG Member
Benoit Lepeuple LonMark International* Member
Carl Mattocks CheckMi* Member
Robin Cover OASIS Member
Jeremy Roberts LonMark International* Member
Gale Horst Electric Power Research Institute Member
Bernard Desruisseaux Oracle Corporation Observer
Eric Chan Oracle Corporation Observer
Additions to agenda:
Submittals:
A. EBXML Use Cases
B. Koch / Akuacom / DR Requirements
C. Lonmark Requirements (Jeremy) (Recurrence)
Issue discussion:
A. Time Stamping & Precision - on or off the list
B. Recursion & Conformance
C. Semantics of Event Start
D. Sequences of Intervals
1. Minutes Approval
Meeting minutes of 12 March 2010
(http://www.oasis-open.org/apps/org/workgroup/ws-calendar/download.php/36977/Minutes_WS-Calendar-TC_20100312_Draft.txt)
are approved unanimously.
2. FYI / announcements from Chair, Secretary, Liaison
No announcements or information to share from chair, secretary, liaison.
3. Open Action Item Review and Discussion
For action items overview, please refer to:
http://www.oasis-open.org/apps/org/workgroup/wscalendar/members/action_items.php
- Kavi #0000 / AI20100305-001
Toby Considine: Request Jira access for the TC Issues list
Request has been made by Toby
- Kavi #0002 / AI20100305-004
Carl Mattocks: contribute uses cases on ebXML RegReg
Input is pending submittal from Carl; will submit in due time.
No updates on Bill's action items, as he's not in the call yet:
- Kavi #0001 / AI20100305-003
William Cox: create a draft FAQ
- Kavi #0003 / AI20100305-005
William Cox: send a draft overview of more detailed tasks for the TC to the list
4. Discuss issues
Robin Cover: Perhaps of interest: "Early Draft Review for JSR-310 Specification: Date and Time API" -
http://xml.coverpages.org/newsletter/news2010-03-16.html#cite2
* Discussion on Koch / Akuacom / DR Requirements submittal
http://www.oasis-open.org/apps/org/workgroup/ws-calendar/email/archives/201003/msg00020.html
Jeremy J. Roberts: Toby: ad hoc (happening now with no end defined); traditional calendar (.ics); sequence of schedules
for bidding, say, energy use / load-shaping / etc.
Carl Mattocks: It would be very useful to have a definition of "time slots" that is supported by some form of "mapping"
or "binding" with "time period". Perhaps this would require a set of elements that enable parametric conversion similar
to query and result mechanisms. May also be useful to have a "Controlled Vocabulary" of time-slots that may include
Every day of month
First day of month
Second day of month
Third day of month
Fourth day of month
Fifth day of month
Sixth day of month
Seventh day of month
Eighth day of month
Ninth day of month
Tenth day of month
Bob Old: Also have Ed explain the units of the hierarchy dimension. Which interval is effective, what intervals are
overridden?
* Discussion on Lonmark Requirements (Jeremy) (Recurrence) submittal
http://www.oasis-open.org/apps/org/workgroup/ws-calendar/email/archives/201003/msg00021.html
Jeremy J. Roberts: Link to current RFC for iCalendar http://www.ietf.org/rfc/rfc2445.txt
William Cox: "three days before the end of the month do X" - possible (Bernard) even with old spec.
Robin Cover: Biblio references for iCalendar, iMIP, iTIP: http://xml.coverpages.org/ni2010-02-08-a.html#calendaringSpecs
Bernard Desruisseaux: RFC 5545 - Internet Calendaring and Scheduling Core Object Specification (iCalendar)
http://tools.ietf.org/html/rfc5545
Robin Cover: (1) iCalendar: http://tools.ietf.org/html/rfc5545 (2)iTIP: http://tools.ietf.org/html/rfc5546 (3)iMIP
http://tools.ietf.org/html/draft-ietf-calsify-rfc2447bis
Bernard Desruisseaux: For those interested in the exact changes done in Draft -10 (pretty close to RFC5545) compared to
RFC2445 can have a look at:
http://tools.ietf.org/wg/calsify/draft-ietf-calsify-rfc2445bis/draft-ietf-calsify-rfc2445bis-10.changes.html
* Discussion on issue Time Stamping & Precision
Gershon Janssen: Bill notes that maybe there's a standard for this already
Gershon Janssen: TC: Precision in or out of scope?
* Discussion on issue Recursion & Conformance
Gershon Janssen: Recursion for scheduling on at least 3 levels, per Ed's desires
Jeremy J. Roberts: Ed to explain the "Need to be able to specify time periods and their 'sub-periods'" what that means.
And: "that eliminates the possibility of invalid time specifications" how that takes place.
Bernard Desruisseaux: For an example of "Monthly on the third-to-the-last day of the month, forever" see:
http://tools.ietf.org/html/rfc5545#page-127
* Discussion on issue Semantics of Event Start
Jeremy J. Roberts: (1) BY 09:00 (2) AT 09:00 (3) AFTER 09:00
Gershon Janssen: Bill proposes to have a singular explaination on the semantics of event start, as no detailed knowledge
of the systems can be assumed.
Gershon Janssen: WC: Is there a clear and consistent way of expressing event start (be ready at / start working at)
Gershon Janssen: BL: Agrees with Bill, expression is related to "system point of view" / interpretation.
Gershon Janssen: WC: Would like to have more discussion on this subject, as it seems to be a relevant.
Robin Cover: As in... if the occupant is an intruder at midnight
Gershon Janssen: JR: Explains on how Lonmark sees this.
Gershon Janssen: TC: Notes there is a similar issue with "end of event".
* Discussion on issue Sequences of Intervals
Item deferred to the next meeting.
* iCalendar / iCOM
Gershon Janssen: EC: explain more use of iCalendar related to icom.
Gershon Janssen: EC: Wiki link gives more information.
Robin Cover: http://wiki.oasis-open.org/icom/FrontPage
Gershon Janssen: EC: invites to join the icom TC
Bernard Desruisseaux: draft-desruisseaux-ischedule - Internet Calendar Scheduling Protocol (iSchedule)
http://tools.ietf.org/html/draft-desruisseaux-ischedule
5. Any Other Business?
6. Adjourn
Gershon Janssen: Meeting adjourned.
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