Minutes of Pacific UBL TC call 14|15 February 2011

[Jon Bosak <bosak@pinax.com>]

MINUTES OF PACIFIC UBL TC MEETING
TUESDAY 15 FEBRUARY 2011

ATTENDANCE

    Jon Bosak (chair)
    G. Ken Holman
    Tim McGrath (vice-chair)

STANDING ITEMS

    Additions to the calendar:
       http://ubl.xml.org/events

       None.

    Review of Atlantic call minutes

       No comments.

UBL 2.1 STATUS

    When PSC and TSC are ready, GKH will produce the schemas before
    his leave of absence.

    TSC: AS reports in email that for technical reasons the meeting
    scheduled for 14 February had to be rescheduled to 16 February.

LOCATION COORDINATES

    See

    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00000.html
    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00001.html
    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00002.html
    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00003.html
    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00004.html
    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00005.html
    http://lists.oasis-open.org/archives/ubl-psc/201102/msg00006.html

    http://lists.oasis-open.org/archives/ubl-tsc/201102/msg00001.html
    http://lists.oasis-open.org/archives/ubl-tsc/201102/msg00002.html
    http://lists.oasis-open.org/archives/ubl-tsc/201102/msg00003.html

    And also

    http://docs.oasis-open.org/ubl/prd1-UBL-2.1/mod/summary/reports/UBL-AllDocuments-2.1.html#Table_LocationCoordinate.Details

    Points made in the discussion of this topic included the
    following:

     - The issue was originally raised in August 2009.

     - In UBL 2.0, only Address has location coordinates.  The
       original use case was delivery to a large factory that has a
       single street address; the GPS coordinates enable reference
       to a specific loading dock.

     - All coordinate pairs imply an area of unknown size (consider
       coordinates given to the nearest minute rather than the
       nearest second).

     - Multiple coordinate pairs convey some kind of information
       about a boundary, but it's not clear exactly what kind of
       information that is; for example:

          Do four pairs of coordinates describe a trapezoid or an
          hourglass?

          Do three pairs of coordinates describe a circle or a
          triangle?

          What do two pairs of coordinates describe?

     - As defined in PRD1, SubsidiaryLocation (i.e., a location
       within a location) is not a specialization of Location; it
       probably should be.

    AGREED as follows:

    1. An Address can only contain one LocationCoordinate (no
       change).

    2. Change Location to contain 0..n LocationCoordinates.

    3. Add InformationURI to Location.

    4. Make SubsidiaryLocation an ASBIE to Location, cardinality
       0..n, and remove the ABIE called SubsidiaryLocation.

    ACTION: TM to send to Arianna for updates in eDoCreator.

    AGREED that the semantic ambiguity attending multiple location
    coordinates can be resolved through use of the Description and
    Conditions elements under Location.

    [Note: I did not notice until typing up these minutes that the
    element named LocationCoordinate actually contains two
    coordinates, one for latitude and one for longitude.  Each of
    these is an ordinate, and together they are co-ordinates.
    Unfortunately, this error goes back to 2.0, so we're stuck with
    it.]

MESSAGE ENVELOPE

    GKH has volunteered to co-chair the task group, but he wants a
    co-chair to handle business requirements.

       AGREED to accept TM's offer to co-chair with the
       understanding that the task group is developing a messaging
       strategy for the UBL user community as a whole that will
       identify requirements and recommend suitable technologies
       for satisfying those requirements.

       AGREED to add Andrea to the task group.

TC CONCALL SCHEDULE

    Week of 2011.02.14 Regular schedule - PLB on vacation
    Week of 2011.02.21 Regular schedule
    Week of 2011.02.28 Regular schedule - missing GKH
    Week of 2011.03.07 Regular schedule - missing GKH, AS
    Week of 2011.03.14 Regular schedule - missing GKH
    Week of 2011.03.21 Regular schedule - missing GKH
    Week of 2011.03.28 Regular schedule - missing AS 3/30
    Week of 2011.04.04 Regular schedule
    Week of 2011.04.11 Regular schedule - missing AS
    Week of 2011.04.18 Regular schedule
    Week of 2011.04.25 Regular schedule

Jon Bosak
Chair, OASIS UBL TC