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I spent last weekend with my good friend Emil sketching a REST-style interface for his graph database Neo4j . One of the output formats we wanted was plain HTML for easy debugging via the browser. Wanting to enable JavaScript-based enhancements of these pages we needed a way to annotate the data to make it available to scripts. (Use by clients of the REST API should be possible, but unlikely if XML or JSON output is available.) The three candidates were microformats , microdata and RDFa . We began with plain HTML: http://blog.foolip.org/2009/08/23/microformats-vs-rdfa-vs-microdata/ Microformats vs RDFa vs Microdata « Philip Jägenstedt

Microformats The microformats.org community recently celebrated its 5th birthday – five plus years of openly researching, creating, and iterating on web standards to express common semantics designed for humans first, machines second. Originally brainstormed in September 2004 , and rapidly adopted by numerous tools, sites, large and small, the number of pages published with one or more hCards recently crossed the 2 billion mark a few days ago according to Yahoo Search Monkey, making it the most popular format for people or organizations on the web: http://microformats.org/

http://www.ibm.com/developerworks/xml/library/x-tipffoxmicroapi/ Tip: Use the new microformats API in your Firefox 3.0 Extensions I created a simple form in Listing 4 for the extension to populate with hCard details. Just put it into a standard HTML Web page and save it locally—you don't need to process the submit form for the purposes of this tip. Listing 4. A simple target form for the extension

This little timesaver lets you update your My developerWorks profile with just one click! The general subject of this content (AIX and UNIX, Information Management, Lotus, Rational, Tivoli, WebSphere, Java, Linux, Open source, SOA and Web services, Web development, or XML) will be added to the interests section of your profile, if it's not ther already. You only need to be logged in to My developerWorks. And what's the point of adding your interests to your profile? http://www.ibm.com/developerworks/forums/forum.jspa?forumID=1258 developerWorks : XML : Exploring Semantic Web Technologies

developerWorks : XML : Technical library view http://www.ibm.com/developerworks/views/xml/libraryview.jsp?sort_by=Date&show_abstract=true&show_all=false&search_flag=&topic_by=Semantic%20Web&type_by=All+Types&search_by=&Submit.x=39&Submit.y=14&S_TACT=105AGX28&S_CMP=DLMAIN (0 Products)

Les microformats permettent aux sites Web de fournir des données sémantiques au navigateur afin que celui-ci puisse présenter un résumé des informations présentes sur une page sans avoir à connaître de manière particulière d'analyser son contenu. Firefox 3 implémente un objet global Microformats permettant d'accéder aux microformats. Cet objet et l'API associée facilitent la recherche et la lecture de microformats. https://developer.mozilla.org/fr/Utilisation_de_microformats Utilisation de microformats - MDC

Using microformats - MDC Microformats allow web sites to provide semantic data to the browser in order to make it possible to present summaries of the information on a page without having to know how to parse the document itself. Firefox 3 implements a global Microformats object that provides access to microformats. This object and its API make finding and reading microformats easy to do. https://developer.mozilla.org/en/Using_microformats

Operator - Modules pour Firefox If a microformat doesn't show up, but you believe there is one, it might be because the microformat is invalid. You can turn on debug mode in options to see invalid microformats. You can use Operator to debug your microformats. When you turn on debug microformats mode and debug mode in preferences, you'll see a new handler called "Debug" that shows different views of the microformat. https://addons.mozilla.org/fr/firefox/addon/operator/

https://addons.mozilla.org/fr/firefox/addon/tails-export/ Tails Export :: Modules pour Firefox An extension for Showing and Exporting Microformats. Currently it supports the following formats: * hCard [export to .vcf file] * hCalendar [export to .ics file] * hReview

A future version will allow you to turn off the status bar icons. Version 2.4.0 includes a re-written RDFa parser which should improve some of the performance issues reported with the 2.2.x series. It also corrects several interoperability problems with other extensions and is generally just better behaved. https://addons.mozilla.org/fr/firefox/addon/mozcc/ MozCC :: Modules pour Firefox

Dublin Core Microformats :: Modules pour Firefox https://addons.mozilla.org/fr/firefox/addon/dublin-core-microformats/ Ce module a été désactivé par un administrateur.

list of microformats

Given that web designers have been making up their own controlled vocabularies for class names as part of POSH modern web design practices for quite some time, and that there continues to be a strong tendency for folks to want to invent their own a-priori formats by starting with a set of class names (rather than following the microformats process ), it makes sense to provide a label for such class names. Coined and further explained on December 26th, 2007, the term "poshformats" distinguishes these one-off, ad-hoc or more informal class-name based formats efforts (based on long-standing modern web design POSH practices) from the more formally researched and documented microformats. Another way of describing the distinction is that microformats are the proper subset of poshformats which have been developed via the microformats process and principles , rather than made-up a-priori. origin applicability poshformats http://microformats.org/wiki/poshformats

http://microformats.org/wiki/XMDP XMDP was last modified: Friday, February 19th, 2010 See Also XMDP are XHTML Meta Data Profiles and the specification is documented externally at http://gmpg.org/xmdp/ (Redirected from XMDP ) xmdp

XMDP - XHTML Meta Data Profiles Introduction to XMDP, description of the format, and an example of an XMDP profile. Sample HTML profile Introduction, Description and Example http://gmpg.org/xmdp/

http://gmpg.org/xmdp/description XMDP: Introduction and Format Description Instead, HTML4 provides a mechanism (the 'profile' attribute of the element) to point to a meta data profile that defines properties and values. And again, the specification states explicitly that it does not define formats for profiles . This proposal seeks to define a meta data profile format using principles of simplicity, reuse, and minimalism. The constraints, direction and hints for the format are derived from the HTML4 specification, and the building blocks of the format are taken from XHTML 1.0.

xmdp-fr

microformats

microformats-fr

Microdata (HTML5) - Wikipedia, the free encyclopedia

schema.org

Getting Started - schema.org

FAQ - schema.org

Schema.org Discussions

Types Full Hierarchy - schema.org

Data-Vocabulary.org | Official Website

HTML Microdata

5 Microdata — HTML5 (including next generation additions still i

HTML Microdata

Microdata rdf

list of microdatas / RDFa

Microdata support for Rich Snippets

RDFa - Wikipedia, the free encyclopedia

RDFa - Wikipédia

RDFa

RDFa Primer

About RDFa

A List Apart: Articles: Introduction to RDFa

RDFa - CC Wiki

Comparisons between semantic web formats

Rich Snippets Testing Tool

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Mise à jour : ça ne parle plus seulement de microformats, mais aussi des microdatas (en quelque sorte le successeur) et RDFa (qui lui est plus RDF et moins HTML) by pandark Apr 9