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Structured Data. This week ReadWriteWeb will run a series of posts detailing what we think are the 5 biggest, most cutting edge Web trends to come out of 2009.

Structured Data

We'll be posting one trend analysis per day. Then at the end of the week we'll publish a major update to our standard presentation about web technology trends. The first major Web trend we're looking at is Structured Data. In prior presentations, this has sometimes been referred to under the umbrella term of 'Semantic Web'. However the way 2009 has panned out so far, it's become clear that this trend is much more than the Semantic Web. Web of Data, Not Documents Tim Berners-Lee said in February this year that we're now in a Web of Data, rather than a Web of Documents. However over the past few years, we've seen that there are many other ways to structure data and enable others to build off it. Example 1: OpenCalais Example 2: Google Rich Snippets Other big companies are also heading in this direction - in particular, Yahoo was an early leader.

Meaningtool SemanticTrees. GoogleSearch Evolves - But Has Google Finally Lost its Core Foc. Yesterday at Google's Searchology event, which we live-blogged, the search market leader announced two significant features to its search product: Search Options and Rich Snippets.

GoogleSearch Evolves - But Has Google Finally Lost its Core Foc

It also previewed a new fact-finding search product called Google Squared. The first two features are already live on and they've notably extended Google's core search product. As we sit back and reflect on the meaning of this, one thing is starkly clear: the core Google search experience is now much more than a simple search box on a plain white background, which it was for so long. Just how far has Google evolved its search experience over recent years? And has it become too much of a shift from its core focus?

The Evolution of Google Search (in a Nutshell) The features announced today, and in particular 'Search Options', build on Google's Universal Search announcements of two years ago at the same event. Rich Snippets and Google Squared: Google Getting Clever With Data. Bscopes: Mining, Mapping and Visualizing the Blogosphere. Wolfram. Pearltrees. Digg Beyond Digg With New Chrome And Firefox Extensions. One common complaint about Digg is that you have to visit the site to actually digg anything.

Digg Beyond Digg With New Chrome And Firefox Extensions

Well, unless you use the Digg toolbar, which caused a bit of controversy when it launched last year. But last month, Digg announced a new API that made it so developers could finally create apps that would allow for the digging of items outside of And today, the service is eating its own dogfood by releasing two such applications: an updated extension for Firefox, and a brand new extension for Chrome. Both extensions now not only show you a Digg count when you’re browsing a story that has been submitted to the service, but, when authorized, they allow you to digg that story right from the overlay drop-down the extension creates when clicked on in the toolbar.

Both are fast and simple — especially the Chrome one. And you can also easily share the content you are browsing on Twitter or Facebook with a click in this drop-down. Find the Firefox extension here and the Chrome one here. TimBerners-Lee: The year open data went worldwide.