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Web Developer Resource Index: XMDP

The XMDP profile attribute of the <head> element of an XHTML or HTML document provides the Web author with a method of linking to a simple resource that lists terms and their definitions for anchor relationships that are not covered by the suggestions made in the HTML 4.01 specification section on link types.

Such dictionaries may be grouped together into categories. For example, XFN uses an XMDP profile to describe the relationships between people. Visit microformats.org for more information on XFN and similar open data formats. Should the author require multiple profiles, separate each URI with white space.

This Web site hosts two profiles, both of which are generated from a MySQL table using PHP. The first is a standard version and has the added feature of linking to pages on this site as are applicable, the other is generated first as XML from the database and then transformed into XHTML using an XSLT stylesheet. Why bother to store the data in a SQL table? That way I can simply insert a new term and its definition (and possibly a FK which links to a resource) and both profiles are instantly updated.

The abbreviation XMDP, for XHTML Metadata Profile, was first suggested by Tantek Çelik.

Updated: Wednesday, October 29th, 2008 @ 1:53 AM EDT

Data Formats:Metadata:XMDP {0}(6)[45]

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Resources

1.XMDP: Introduction and Format Description

Since the format is a subset of XHTML and therefore a profile itself, the format is called the XHTML Meta Data Profile, abbreviated as XMDP. [39]
★★★★☆
URI:http://gmpg.org/xmdp/description
Author:
Tantek Çelik
[3]
Reviewed:Monday, April 4th, 2005 @ 1:15 AM EDT
by:
Douglas Clifton

XMDP: Introduction and Format Description metadata xhtml xmdp
2.XMDP FAQ

Frequently asked questions about XHTML Metadata Profiles, of course. This is Wiki, so if you have a question/answer you can create an account and edit the page yourself, although they recommend subscribing to the microformats-discuss mailing list first. [1627]
★★★★☆
URI:http://microformats.org/wiki/xmdp-faq
Author:
Tantek Çelik
[3]
Reviewed:Saturday, February 4th, 2006 @ 10:05 AM EST
by:
Douglas Clifton

XMDP FAQ faq metadata microformats xhtml xmdp
3.Extending the Web with Metadata Profiles

James begins his article with the basics: HTML META elements, and then does a little refresher on RDF, FOAF and other XML-based formats. And before launching into the "forgotten" profile attribute, he takes you through link relationships. [1220]
★★★★☆
URI:http://www.kuro5hin.org/story/2004/9/15/25324/5735
Author:
James Bennett
[1]
Reviewed:Sunday, May 22nd, 2005 @ 6:22 AM EDT
by:
Douglas Clifton

Extending the Web with Metadata Profiles foaf metadata rdf xmdp
4.The GRDDL profile for XHTML

The HTML specification provides a mechanism for authors to use particular metadata vocabularies and thereby indicate the author's intent to use those terms in accordance with the conventions of the community that originated the term. [49]
★★★★☆
URI:http://www.w3.org/TR/grddl/#grddl-xhtml
Author:
Dominique Hazaël-Massieux
[5]
Reviewed:Monday, April 4th, 2005 @ 3:00 PM EDT
by:
Douglas Clifton

The GRDDL profile for XHTML grddl metadata rdf xhtml xmdp
5.MySQL/XML/XSLT/XHTML Metadata Profile

Two profiles are presented, a typical XHTML profile built from a PHP server-side script, and the second is generated from XML data transformed into XHTML using an XSLT style sheet. Both use the the same data stored in a MySQL table. [41]
★★★★☆
URI:http://loadaveragezero.com/app/dbrowse/laz/tables/xmdp/data
Author:
Douglas Clifton
[2]
Reviewed:Saturday, April 16th, 2005 @ 1:02 AM EDT
by:
Douglas Clifton

MySQL/XML/XSLT/XHTML Metadata Profile metadata mysql xhtml xmdp xml xslt
6.DeMeyere XMDP

Global Multimedia Protocols Group (GMPG) has been working on two very interesting protocols, XFN and XMDP. XMDP (XHTML Meta Data Profiles) is the one that has my current attention. [40]
★★★★☆
URI:http://demeyere.com/webdesign/xmdp.asp
Author:
Ross DeMeyere
[1]
Reviewed:Monday, April 4th, 2005 @ 1:34 AM EDT
by:
Douglas Clifton

DeMeyere XMDP metadata xfn xhtml xmdp