semantic web
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What’s Best: Microformats, RDFa, or Micro Data? | SEMClubHouse - Key Relevance Blog
In a recent post by Mike Blumenthal about Google’s announcement of supporting Microformats for local search, Andy Kuiper asked in the comments whether it would be best to go with Microdata versus RDFa or Microformat for marking up local business information.
I'm fascinated by the idea of including semantic markup in Plain Old XHTML pages, and I'm excited by recent developments in this area. But I'm also concerned about the growing discrepancy between the W3C 's initiative, namely RDFa , and the more established but conversely less official microformats effort.
RDFa vs microformats from Evan Prodromou
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:
Microformats
The Open Graph Protocol
The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to allow any web page to have the same functionality as any other object on Facebook. While many different technologies and schemas exist and could be combined together, there isn't a single technology which provides enough information to richly represent any web page within the social graph.
Abstract We present a system that composes a realistic picture from a simple freehand sketch annotated with text labels. The composed picture is generated by seamlessly stitching several photographs in agreement with the sketch and text labels; these are found by searching the Internet.
