OASIS Mailing List ArchivesView the OASIS mailing list archive below
or browse/search using MarkMail.


Help: OASIS Mailing Lists Help | MarkMail Help

[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index]
Re: [xml-dev] Is CVS A Practical Means to Manage XML Versions In AProduction Environment

On 19 September 2011 15:15, Ghislain  Fourny <gfourny@inf.ethz.ch> wrote:
> Hi Andrew,
> Sure. In the XML Time Machine, the XDM (data model) is augmented with an additional dimension: time. This means that a node (in the XDM spacetime) is identified with two coordinates:
> 1. a reference URI
> 2. a version URI
> The reference URI corresponds to the concept of node identity in the XDM specification. A node that evolves according to the XQuery Update specification (meaning that its accessors are modified, e.g., children added/removed, node renamed) corresponds in the XML Time Machine to a series of nodes that share the same reference URI, but have different version URIs. Such a series of nodes is called a node timeline.
> Using time axes means navigating within a timeline. Given a node in version 10, it is possible to get the "same" node in version 5. The concept of node identity in the XDM specification allows to give a meaning to "same".
> Does it make sense?

ah ok - so provided the document is only modified using XQuery Update
then you can track the changes over time?

Andrew Welch

[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index]

News | XML in Industry | Calendar | XML Registry
Marketplace | Resources | MyXML.org | Sponsors | Privacy Statement

Copyright 1993-2007 XML.org. This site is hosted by OASIS