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RE: XLink and mixed vocabulary design

• To: "'DuCharme, Bob (LNG-CHO)'" <bob.ducharme@l...>, xml-dev@l...
• Subject: RE: XLink and mixed vocabulary design
• From: "Bullard, Claude L (Len)" <clbullar@i...>
• Date: Thu, 22 Jan 2004 12:53:25 -0600

It's a little more.  It is a control rendered to the 
screen in some form, eg, the text link http:// which 
turns blue and is clickable, or the button one presses 
that then activates the hyperlink.   In some past life, 
I made the comparison of links to functions.   A declarative 
link is as you say, a relationship declaration, but then 
we want to provide events and behaviors and are then 
out of links and into controls.  It seems to me that 
on the web, a link is what http://something does and 
that everything else is application design.  What one 
can share across application designs depends on the 
framework, so when one is standardizing links and linktypes, 
one is standardizing the implementation framework, and
the markup language design should fall out of that.

BTW, Bob, while we're here:  why were you asking about 
the use of abstract types for schema languages?  Reply 
offline if you like, but the topic came up in the HumanML 
WG meeting yesterday as part of a discussion contemplating 
an RDF ontology to complement the primary.

len


From: DuCharme, Bob (LNG-CHO) [mailto:bob.ducharme@l...]

>Hypertext is a particular application of linking, a more basic notion.
>It's a mistake to think of links solely in the hypertext context.

Hear,hear. I can complain about XLink with the best of them, but I do like
the Rec's definitions, particularly its definition of a link: "An XLink link
is an explicit relationship between resources or portions of resources." A
footnote, a URL on the side of a bus, and a guy holding up a "John 3:16"
sign at a basketball game are all links. A hyperlink is an interactive
presentation of a link on a screen--a rendering of a link. 

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