Joe,
No surprises here. If you want to
couple CCTS to actual
runtime validation and content processing
then you
have to use technology such as CAM
templates - and
the associated business noun definitions as
XML
in registry - so that you now have direct
linkage
between the model definitions and the
runtime.
UBL have been finessing this by using W3C
XSD
to carry the structure information from the
CCTS model
with limited content
semantics.
This only gets you so far before you hit
insurmountable
issues relating to context and structure
permutations.
Not to mention codelist processing and
then
permutations based of codelist selections -
eg if
countrycode="US" then require ZIPcode, else
require
postalcode.
Then you have to use CAM templates to
resolve
and implement this.
Since CAM has been purpose built for
delivering this
for CCTS all along - this is a bit of a
non-surprise here.
DW
----- Original Message -----
Sent: Monday, April 04, 2005 6:38
PM
Subject: [regrep] Core Components
Riddle
Now that
our V3.0 specs are in OASIS public review, I have a general question
on Core Components please:
The basic
question is: What precise value do Core Components bring for data
exchanges?
More
details:
Scenario
#1:
- Suppose
2 trading partners are exchanging data.
- Also
suppose that none of the Core Components that are used in the exchange
are part of the TBG17 Core Component Library (this will be the
variable for the next scenario).
- The
sending trading partner decides to indicate in their XML document the
various Core Component entities (CC's, BIEs, etc.) using a content
model (set of elements/attributes) near each entity (where does not
matter - but let's assume just below) that indicates what type of
entity it is.
- The
receiving trading partner processes the XML document, but does not
process the entity information because all it "cares" about is the
actual data, not the data model. What value does using
Core Components bring here?
Scenario
#2:
-
Same as above, except that all
of the Core Components that are used in the exchange are part
of the TBG17 Core Component Library (and stored in the UN/CEFACT Core
Component registry - assume it is in production), and are indicated as
such using their registry identifiers.
- The
receiving trading partner processes the XML document, but should
they "care" about the entity information this time?
What value does using Core Components bring here? Is it
different than the value in Scenario #1?
A third
question: Absent any data exchanges, what would motivate someone to
"Core Component-enable" all of their data? (for example, creating a
relational representation of the CCTS Core Component entity metadata,
and populating the tables/fields with the metadata values + the
original data).
Thanks,
Joe
Joseph Chiusano
Booz Allen
Hamilton