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[Gzz] PEG: creation_history
From: |
Tuomas Lukka |
Subject: |
[Gzz] PEG: creation_history |
Date: |
Tue, 29 Jul 2003 10:32:52 +0300 |
User-agent: |
Mutt/1.5.4i |
==========================================================================
PEG creation_history--tjl: Object creation order RDF schema
==========================================================================
:Authors: Tuomas Lukka
:Date-Created: 2003-07-28
:Last-Modified: $Date: 2003/07/29 07:21:38 $
:Revision: $Revision: 1.2 $
:Status: Current
:Stakeholders: benja, mudyc, humppake
:Scope: Minor
:Type: Architecture
.. Affect-PEGs:
Time isn't always linear. It can branch. Maybe we should keep track
of the creation of objects as a tree based on versions.
Issues
======
Changes
=======
Create a new namespace, ``http://fenfire.org/rdf-v/2003/07/treetime``.
This namespace shall contain::
/** An time-like ordering between creation of objects.
*/
public class TREETIME {
/** A type that declares a relation to be
* a time-like relation.
* This namespace defines one time-like relation,
* "follows" for common use, more may be defined
* to avoid conflicts, using the TimeRelation class.
*/
static public final Object TimeRelation;
/** (A, follows, B) means that A was created after B.
*/
static public final Object follows;
/** (X, currentOf, follows) means that X is the latest
* entity in a "follows" chain. This applies to other
* relations, too.
*/
static public final Object currentOf;
}
- [Gzz] PEG: creation_history,
Tuomas Lukka <=