profile-uris

2008-12-20T06:38:45Z

AcdelRocel: crelzelcav

eltchisitpa
<entry-title>Profile URIs</entry-title>
{{TOC-right}}

== Introduction ==

In [[hcalendar-issues]], it is ACCEPTED that each microformat should have a profile URI, like [http://gmpg.org/xfn/11 the XFN profile].

==Known URIs==

This section lists known profile URIs for microformats. To promote cacheability and recognisability of profile URIs, authors {{should}} avoid minting new URIs for existing microformats, and {{should}} re-use existing well-known profile URIs.

=== Combined Profile ===

The following URL covers all non-draft Microformats as of March 2008, except XMDP. You can mix and match it with other XMDP profiles for new/draft microformats.

http://purl.org/uF/2008/03/

=== Individual Microformats ===

<dl>
<dt>adr
<dd>(Use an hCard profile.)
<dd>(Or use the combined profile.)
<dt>figure
<dd>http://purl.org/uF/figure/draft
<dt>geo
<dd>http://purl.org/uF/geo/0.9/
<dd>(Or use an hCard profile.)
<dd>(Or use the combined profile.)
<dt>hAtom
<dd>http://purl.org/uF/hAtom/0.1/
<dt>hAudio
<dd>http://purl.org/NET/haudio &dagger;
<dd>http://purl.org/uF/hAudio/0.9/ &dagger;
<dt>hCalendar
<dd>http://purl.org/uF/hCalendar/1.0/ &dagger;
<dd>http://www.w3.org/2002/12/cal/hcal ¶&dagger;
<dd>http://dannyayers.com/microformats/hcalendar-profile &dagger;
<dd>(Or use the combined profile.)
<dt>hCard
<dd>http://purl.org/uF/hCard/1.0/ &dagger;
<dd>http://www.w3.org/2006/03/hcard &dagger;
<dd>(Or use the combined profile.)
<dt>hResume
<dd>http://microformats.org/wiki/hresume-profile
<dt>hReview
<dd>http://www.purl.org/stuff/rev# &dagger;
<dt>rel-license
<dd>http://purl.org/uF/rel-license/1.0/ &dagger;
<dd>(Or use the combined profile.)
<dt>rel-nofollow
<dd>http://purl.org/uF/rel-nofollow/1.0/
<dd>(Or use the combined profile.)
<dt>rel-tag
<dd>http://purl.org/uF/rel-tag/1.0/
<dd>(Or use the combined profile.)
<dt>VoteLinks
<dd>http://purl.org/uF/VoteLinks/1.0/ &dagger;
<dd>http://tommorris.org/profiles/votelinks ¶&dagger;
<dd>(Or use the combined profile.)
<dt>XFN
<dd>http://gmpg.org/xfn/11
<dd>http://gmpg.org/xfn/1 (older version)
<dd>(Or use the combined profile.)
<dt>xFolk
<dd>http://microformats.org/wiki/xfolk-profile
<dt>XOXO
<dd>(Use the combined profile.)
</dl>

&dagger; = GRDDL-enabled.<br/>
¶ = non-XMDP profile.

=== Other Interesting Profile URIs ===

* [http://purl.org/uF/pattern-data-class/1 Experimental data-* class pattern]
* [http://purl.org/stuff/hdoap/profile hDOAP (posh format)] ¶&dagger;

== How to link to a profile URI ==

=== <code><nowiki><head profile></nowiki></code> ===

This is the original method of linking to profile URIs and is currently supported by the greatest number of tools. This is valid in HTML 4 and XHTML 1.x, but is not valid in Atom (as Atom has no <code><nowiki><head></nowiki></code> element) or current drafts of HTML 5 and XHTML 2.

Example:
<pre><nowiki><html>
<head profile="http://example.com/profile1 http://example.net/profile2">
...</nowiki></pre>

=== <code>rel="profile"</code> ===

An alternative method is provided for people using markup languages which do not support <code><nowiki><head profile></nowiki></code>. Add <code>rel="profile"</code> to either a visible link (<code><nowiki><a></nowiki></code>) or hidden link (<code><nowiki><link></nowiki></code>).

Example:
<pre><nowiki><p>This page uses
<a rel="profile" href="http://gmpg.org/xfn/11">XFN 1.1</a>!</p></nowiki></pre>

==Implementations==

=== GRDDL ===

Tools that support [http://www.w3.org/2001/sw/grddl-wg/ GRDDL] use profiles to parse microformats.

=== Cognition===

In "strict mode", [http://buzzword.org.uk/cognition/ Cognition] refuses to parse any microformats where the profile URI has not been explicitly declared on the page. (It will however, still parse microformats for which there exists no profile URI!)

== Issues ==

Some issues include:

* what domain to use? Candidates include:
** microformats.org
** www.w3.org
** xmdp.org
* what about versioning? How to keep in sync with the wiki and test materials?
* what profile URI to use for combinations, such as [[hcard]] and [[hcalendar]]?
** note [http://www.w3.org/TR/html401/struct/global.html#adef-profile HTML4.01] states "that one or more meta data profiles, [are] separated by white space"; though it's simpler for authors if they can just use one profile URI.
* More profiles are needed.

One proposal is: use www.w3.org, following [http://www.w3.org/1999/10/nsuri W3C namespace policy]. As to versioning, change the profile whenever the wiki changes (within some reasonable latency, say, a couple weeks or a month). For example: [http://www.w3.org/2006/03/hcard an hCard Profile at w3.org], and discussion: [http://microformats.org/discuss/mail/microformats-dev/2006-March/000068.html an hCard profile that seems to work with GRDDL].

=== Validator warning ===

Due to [http://sourceforge.net/tracker/index.php?func=detail&aid=1264455&group_id=27659&atid=390963 inconsistent wording of the HTML specs], HTMLTidy (and other tools?) give "[http://sourceforge.net/mailarchive/forum.php?thread_name=oytAFzxaKxiFFwpx%40pigsonthewing.org.uk&forum_name=htmlvalidator-help Warning: <head> escaping malformed URI reference]"
when more than one profile is used, e.g.

<code><head profile="http://www.ietf.org/rfc/rfc2731.txt http://www.w3.org/2006/03/hcard"></code>

W3C HTML validator has very poor validation of attributes and is technically unable to check this case. The HTML DTD however defines <code>profile</code> attribute as <code>%URI</code> (it's an alias for <code>CDATA</code>), same as <code><a href></code> attribute.

==See also==

* [[profile-uri-examples-in-wild|Profile URI examples, in the wild]]
* [[faqs-for-rdf]] for discussion of connecting microformats to URIs.
* [[hcard-profile]].

Microformats Wiki - User contributions [en]

profile-uris