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what is MOPs?

• To: "Jason Diamond" <jason@i...>, "Xml-Dev@Lists. Xml. Org" <xml-dev@l...>
• Subject: what is MOPs?
• From: "Owen Walcher" <news@o...>
• Date: Wed, 12 Feb 2003 11:03:40 -0700
• Importance: Normal
• In-reply-to: <1045070706.1302.631.camel@l...>

MOP comes from lisp (I think), not NeoCore.  NeoCore is just a
self-constructing XML database, but it supports XPATH and XQuery and
(obviously) InfoSets.

This is my dissertation topic, but MOP has been around a while.  Most of the
stuff I am reading comes off either IEEE or ACM.

For a quick overview, here are some links:
http://iamwww.unibe.ch/~demeyer/Deme96m/psstmnt.html
http://c2.com/cgi/wiki?MetaObjectProtocol
http://www.elwoodcorp.com/alu/mop/contents.html

Although this originally comes from LISP, which is a self-modifying
language, it was my intent to implement using the Reflection capabilities of
Java or C#.

The actual dissertation revolves around the *rules* to creating the XML
Information Model.

Owen


-----Original Message-----
From: Jason Diamond [mailto:jason@i...]
Sent: Wednesday, February 12, 2003 10:25 AM
To: Owen Walcher
Subject: RE:  web services stack


This is interesting. Where can we find out more about MOP? Is it
specific to the NeoCore XMS? I didn't find any reference to it on their
site.

Thanks,
Jason

On Wed, 2003-02-12 at 09:02, Owen Walcher wrote:
> >Zo, schtop mit da XML ist ein data model already!
>
> XML is *more* than a data model, it is an information model, where:
>
> data + context = information
>
> Adaptive application can be written (if certain XML modeling rules are
> followed), that allow Meta Object Protocols (MOP) and Reflection to be
used
> to dynamically extend the runtime environment.
>
> The MOP and processing instructions (albeit language specific) can even be
> stored as XML documents.  Combine all these documents in a self
constructing
> database (like the NeoCore XMS), and you have a fully extensible
development
> platform that supports heterogeneity quite well... all this with the XML
1.0
> specification, without need for DTD... (Infosets required)
>
>
> Owen
>
>
>
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