Issue 17593: Reference to 'conceptual schema' (date-time-ftf)
Source: International Business Machines (Mr. Mark H. Linehan, mlinehan(at)us.ibm.com)
Nature: Uncategorized Issue
Severity: 
Summary: The definition of 'calendar' in clause 10.1 relies upon SBVR's 'conceptual schema'.  However:
1.	'conceptual schema' is not included in the list of adopted SBVR concepts in clause 4.
2.	SBVR 1.1 moved 'conceptual schema' to clause 10.1.2.1, which means this concept is part of the semantic and logical foundation of SBVR, but not actually in any of the SBVR vocabularies.

Resolution: 
Revised Text: 
Actions taken:
September 17, 2012: received issue
Discussion: 

End of Annotations:=====
MG Issue No:  17593 
Title: Reference to 'conceptual schema'
Source:  Mark H. Linehan, IBM, mlinehan@us.ibm.com
Summary:
The definition of 'calendar' in clause 10.1 relies upon SBVR's 'conceptual schema'.  However:
1.	'conceptual schema' is not included in the list of adopted SBVR concepts in clause 4.
2.	SBVR 1.1 moved 'conceptual schema' to clause 10.1.2.1, which means this concept is part of the semantic and logical foundation of SBVR, but not actually in any of the SBVR vocabularies.
Resolution:  
Revised Text: 
Disposition:	???




To: date-time-ftf@omg.org
Subject: DTV Issue 17593 - Reference to 'conceptual schema'
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From: Mark H Linehan <mlinehan@us.ibm.com>
Date: Sat, 29 Sep 2012 17:03:28 -0400
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Proposed resolution: 

-----------------------------
Mark H. Linehan
STSM, IBM Research 

 Date-Time Issue 17593 - Conceptual Schema.doc <Down>
<Down>
<Down>
	Disposition:    Resolved   
	OMG Issue No:  17593 
Title: Reference to 'conceptual schema'
Source:  Mark H. Linehan, IBM, mlinehan@us.ibm.com
Summary:
The definition of 'calendar' in clause 10.1 relies upon SBVR's 'conceptual schema'.  However:
1.	'conceptual schema' is not included in the list of adopted SBVR concepts in clause 4.
2.	SBVR 1.1 moved 'conceptual schema' to clause 10.1.2.1, which means this concept is part of the semantic and logical foundation of SBVR, but not actually in any of the SBVR vocabularies.
Resolution:  
Text from the SBVR definition of 'conceptual schema' is integrated into the existing definition of 'calendar' to combine them and eliminate the dependency upon the SBVR concept.

Revised Text: 
In clause 10.1, replace the definition of 'calendar' which reads:

Definition:	conceptual schema that defines one or more time scales

. with:

Definition:	system of time scales specified by a combination of concepts and rules (with semantic formulations that define them) of what is possible, necessary, permissible, and obligatory in each possible world

Disposition:	Resolved