Common Tag is an open tagging format developed to make content more connected, discoverable and engaging. Unlike free-text tags, Common Tags are references to unique, well-defined concepts, complete with metadata and their own URLs. With Common Tag, site owners can more easily create topic hubs, cross-promote their content, and enrich their pages with free data, images and widgets

It’s definitely not all expressed in RDF or explicitly RDF-variant formats, but it seems important to note the many new ways the web-of-DATA is evolving alongside, around, above, between and underneath the web-of-DOCUMENTS.

Micro-blogging, and Twitter  in particular with its 140 character limit, is perhaps one of the most obvious examples of new areas of the web  decomposing into ever smaller particles of information.

The following are reports or examples of emerging application of data on the web.

ReadWriteWeb’s Top 5 Web Trends of 2009

1. Structured Data
2. The Real-Time Web
3. Personalization
4. Mobile Web & Augmented Reality
5. Internet of Things

PriceWaterhouseCoopers – Technology Forecast Spring 09

• Spinning a data Web
• Making Semantic Web connections
• A CIO’s strategy for rethinking “messy BI”
• Traversing the Giant Global Graph
• From folksonomies to ontologies
• How the Semantic Web might improve cancer treatment
• Semantic technologies at the ecosystem level

Explaining APML: what it is & why you want it

• Filtering
• Accountability
• Privacy
• Shared Data
• You’re the boss!
• APML FAQ

Facebook Using Twitter’s @ Tagging Feature

Question: How can this approach, or any other popular tagging mechanism, be integrated with Linked Data community’s focus on URIs?

Dewey Classification as Linked Data

“We had to come up with a URI pattern for the DDC that would generate persistent identifiers for DDC concepts in a distributed environment”

Top three levels of Dewey Decimal Classification published as linked data

New York Times Topics as SKOS

BBC

• Media Meets Semantic Web – How the BBC Uses DBpedia and Linked Data to Make Connections
• The BBC has announced a couple SPARQL endpoints, hosted by talis and openlink
• A social semantic BBC?

Open Government

• oeGOV: Open Government through Semantic Web Technologies
• PM welcomes Sir Tim Berners-Lee to Downing Street
• Berners-Lee briefs Brown on opening up government data
• PM calls on Berners-Lee in open-government drive