Understanding the Open Graph (english)

- Facebook is built on this infographic (open, graph, stream …), his new service, the Open Graph,  too. -

Open graph :

Facebook explain what is the Open Graph on his web site :

The Open Graph protocol enables you to integrate your Web pages into the social graph. It is currently designed for Web pages representing profiles of real-world things — things like movies, sports teams, celebrities, and restaurants. Once your pages become objects in the graph, users can establish connections to your pages as they do with Facebook Pages. Based on the structured data you provide via the Open Graph protocol, your pages show up richly across Facebook: in user profiles, within search results and in News Feed.

The origin of  the Facebook Open Graph is the Dublin Core (wikipedia) :

The Dublin Core set of metadata elements provides a small and fundamental group of text elements through which most resources can be described and cataloged. Using only 15 base text fields, a Dublin Core metadata record can describe physical resources such as books, digital materials such as video, sound, image, or text files, and composite media like web pages. Metadata records based on Dublin Core are intended to be used for cross-domain information resource description and have become standard in the fields of library science and computer science. Implementations of Dublin Core typically make use of XML and are Resource Description Framework based.

More :

The FaceBook page : here or here

The Dublin Core : Wikipedia

A great article on Red Write Web : here

Power point presentations to understand :