MicroFormat

MicroContent Open Format

• some say that a MicroFormat doesn't qualify as MicroContent if it doesn't have a URI.

http://esw.w3.org/topic/MicroModels

Sean McGrath

• on how to validate a document that uses one.

• on how it's the first realistic opportunity for any progress toward the Semantic Web.

OpenGraph

Schema.org 2011-06-10-Schema Org

• 2010-06-30-KolbPostCisco
• use by Google Plus

Twitter Cards 2012-06-13-TwitterMetaTagExpandedTweets

For Single Page Application use JsonLd?

othogonal to ontology

• see that page for links to some "standard" formats