Microformats

http://www.deitel.com/ResourceCenters/Web20/Microformats/tabid/960/Default.aspx

Visit the Deitel Microformats Resource Center. Topics include:

Introduction to Microformats
Microformats eBooks
Microformats Articles
Microformats and the Semantic Web
Microformats.org
Microformats Specifications
Microformats Tutorials, Webcasts and Presentations
Related Deitel Resource Centers
Microformats Blogs
Microformats Newsgroups, Forums and FAQs
Microformats Tools and Downloads
Pingerati
Microformats and RDF (Resource Description Framework)
Microformats Sample Chapters
Microformats Podcasts
Open Source Conferences

Visit Microformats.org to learn more about microformats. Includes an overview of microformats, upcoming events, a blog, a wiki, discussion forums, and news. Also includes an extensive Microformats wiki with detailed entries for each microformat.

Microformats Wiki

http://en.wikipedia.org/wiki/Microformats

The Semantic Web, a project directed by Tim Berners-Lee of the W3C, aims to create a standard for information exchange on the web. To do so, documents must be tagged so that a computer understands the meaning of the data. This can be done using microformats. Wikipedia entry for Microformats provides a brief introduction to microformats. Topics include loosely coupled semantics, specific microformats and uses of microformats. Microformats discussed include:

hCalendar for events.
hCard for contact information.
hReview (spec) for reviews.
hResume for resumes.
rel-directory (spec) for distributed directory creation and inclusion.
rel-pavatar (spec) a decentralized mechanism for assigning avatars to homepage owners.
rel-nofollow, an attempt to discourage 3rd party content spam (e.g. comment spam).
rel-tag (spec) for decentralized tagging (Folksonomy).
xFolk (spec) for tagged links.
XFN for social relationships.
XOXO for lists and outlines.