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TeleBlog regular Branko Collin gave a nice explanation of how microformats could aid pickups of information from book reviews for Technorati. Josh Gay of the Free Software Foundation, whom I met Friday at a library conference in NYC, has also been a big booster of the concept. I  can see why. As described by Wikipedia, “any page created, or any content added to microformats is placed into the public domain for maximum possible reuse.”

That sounds anti-commerce. But actually microformats could help even commercial sites by, say, bringing more traffic to a book review magazine than it would receive otherwise. Theoretically Yahoo could create a page listing reviews for a certain book and automatically pick up ratings from each publication’s writeup. Such a capability, in turn, might just drive you to visit the sites and see how the reviewers justified the rating. What’s more, other sites could ride Yahoo’s coattails and reproduce the Yahoo page.

A few weeks ago, we began talking about the new Yahoo! Search open platform. Today, we're releasing more details about two important components of the initiative -- the developer platform as well as our support of a number of semantic web standards.

By supporting semantic web standards, Yahoo! Search and site owners can bring a far richer and more useful search experience to consumers. For example, by marking up its profile pages with microformats, LinkedIn can allow Yahoo! Search and others to understand the semantic content and the relationships of the many components of its site. With a richer understanding of LinkedIn's structured data included in our index, we will be able to present users with more compelling and useful search results for their site. The benefit to LinkedIn is, of course, increased traffic quality and quantity from sites like Yahoo! Search that utilize its structured data.

In the coming weeks, we'll be releasing more detailed specifications that will describe our support of semantic web standards. Initially, we plan to support a number of microformats, including hCard, hCalendar, hReview, hAtom, and XFN. Yahoo! Search will work with the web community to evolve the vocabulary framework for embedding structured data. For starters, we plan to support vocabulary components from Dublin Core, Creative Commons, FOAF, GeoRSS, MediaRSS, and others based on feedback. And, we will support RDFa and eRDF markup to embed these into existing HTML pages. Finally, we are announcing support for the OpenSearch specification, with extensions for structured queries to deep web data sources.

At Mahalo we just rolled out rolled out Microformats for relevant search result pages. So what does this mean, and what are Microformats? Well, they are data classes that help machines and people identify and export information. Data such as contacts and address information is much easier to manage, search engines can also better catalog the info. Yes a little bit of the semantic web of tomorrow….today!

Up until today only a few technologies supported certain standards, the Operator extension for Firefox supports microformats, as will Firefox 3 when it is released, but none of these are big enough or important enough for the mainstream. Adding semantics to a website is a lot of hard work if no-one is around to use it.

This is why Yahoo!’s announcement is so big. Now there are machines reading that data and using it and enriching the web with it, do you, as a developer or site owner, want to miss out on that? Yahoo!’s search is to use microformats initially, to improve their understanding of the data to return more relevant results (and, from the looks of their example with LinkedIn add more detail to their search results). So, will other search engines, I’m looking at Google and Microsoft here, want to miss out on the wealth of data that they aren’t collecting and Yahoo! is?

What could be better, a reason to include semantic technologies in your site, better search results, new, intelligent services? I can only say thank you to Yahoo! for supporting this and giving it the much needed boost.

What does all this mean? It means we can expect the web to get itself organized, in a hurry. At stake is a significant amount of traffic from Yahoo search, and anyone else that may choose to build applications on top of this data.

Yahoo’s support for semantic web standards like RDF and microformats is exactly the incentive websites need to adopt them. Instead of semantic silos scattered across the Web (think Twine), Yahoo will be pulling all the semantic information together when available, as a search engine should. Until now, there were few applications that demanded properly structured data from third parties. That changes today.

MicroID is a lightweight identity layer for the web, invented by Jeremie Miller (creator of Jabber). MicroID enables anyone to claim verifiable ownership over content hosted anywhere on the web (social networking sites, discussion forums, blogs, etc.). MicroID is not an authentication or single-sign-on service, just a straightforward method for identifying content ownership that complements existing technologies such as OpenID and microformats. The technology is radically simple and enables developers to build new and unique meta services with minimal effort. It's already being used by the likes of ClaimID, Last.fm, Ma.gnolia, Wikitravel, and Yedda.

First things first. DataPortability is a brand… its a kind of un-organisation (a bit like BarCamps are un-conferences); a group of people and organisations who have the same philosophy, a philosophy of the portability of data. Every member of DataPortability should push for (advocate/evangelise) portability of data to web-users, developers and organisations.

The DataPortability Project will support other projects/groups working towards data portability (at the moment this explicitly includes communities involved in OpenID, OAuth, Microformats and the Semantic Web). Some members of DataPortability are also involved with legal issues and privacy which are just as important as the portability of data. The DataPortability Project is there to support people into a Web of Data.

Portability of data, or data portability is portable data. In other words, data can be copy/pasted and/or moved from one location to another. This is dependent on accessibility.

Search Monkey will be the first use of structured data by Yahoo, but they could potentially be used to affect other parts of the search results or ranking algorithms in the future, according to Kumar. Yahoo will provide more details at an upcoming developer conference it's planning in the coming weeks.

All very wonderful, right? Well, maybe not - as some SEOs and webmasters say. Their main concern is that by providing such a structured format of their content - content scrapers will need very little skill in stealing their content and repurposing it in a useful manner. SEOs and webmasters don't mind Yahoo getting this data from them, but they know that leaving this easy to use and structured format open to Yahoo will also give anyone else access to their data. Same issue with XML but this is even more fine tuned data, because webmasters can detail minute details about their content

Social networks are becoming more open, more interconnected, and more distributed. Many of us in the web creation world are embracing and promoting web standards - both client-side and server-side. Microformats, standard apis, and open-source software are key building blocks of these technologies. This model can be described as having three sides/legs/arms/spokes - pick your connection: Information, Identity, and Interaction. DiSo (dee • zoh) is an umbrella project for a group of open source implementations of these distributed social networking concepts. or as Chris puts it: "to build a social network with its skin inside out". Our first target is Wordpress, bootstrapping on existing work and building out from there.

As the web grows exponentially in scale and complexity, an issue that becomes increasingly pressing is data ownership. There has been a lot of noise lately about how Facebook Connect, Google Friend Connect, and even MySpace’s Data Availability.

The Data Portability Project is trying very, very hard to solve these serious issues. They’re seeking to unite the socio-rhetorico-legal precedent with the growing list of open technologies and specifications (OpenID, OAuth, RSS, OPML, MicroFormats, Creative Commons, to name a few) and make sure that these proprietary bits, bytes, friends, enemies, birthdays, activies, pictures, videos, lifestyles, etc. are made open to the content creators (read: YOU, not Mark Zuckerberg).

A few months ago, we announced that we were opening the social graph and invited others to join us. An effort like that encompasses many different technology projects and all kinds of different companies; in just a few months the idea of opening up social networks has received a lot of attention. Today we're excited to share an amazing new plugin for Movable Type that allows you to aggregate, control, and share your actions around the web and we're the first to bring this sort of functionality to free and open source blogging tools.

It's worth revisiting some of the successes the openness movement has accomplished in just the past few months: Google's OpenSocial released new versions of its APIs and we hosted a wildly successful hackathon to help support the creation of new widgets for the standard. OpenID 2.0 shipped and both Google and Yahoo! are now supporting OpenID, bringing hundreds of millions of new IDs to the community. The group DataPortability.org was formed and released a video reinforcing these themes around openness. And finally, we've made good on our promise to let you show off all the services you belong to, with TypePad and Vox automatically letting you list your accounts around the web on your blogs using Microformats to link to your profiles. And as of today, the same ability is available for Movable Type.

As we explained half a year ago, we're on a mission. Like we said then, blogs change the way we communicate. Just like with TrackBack, OpenID, opening the social graph, and so much else in blogging, we're hoping that we can influence everyone else to follow our lead and move blogging forward with us. Bringing your actions around the web under your control is a fundamental next step to making all of our blogs even more powerful and expressive.

Digg has joined the DataPortability Project, a group of websites cooperating to help you securely use your data however you want. Why? Because you own your data. It’s that simple. From the start, Digg has supported the idea that you own your own data.

Digg already supports many of the open standards that let you use your data on sites other than Digg, including RSS, OPML, and hCard. We use RDF to embed the Creative Commons public domain dedication into each page. Just this week, we added MicroID, a Microformat that lets you prove to other services that you own your Digg user profile. We’ll be adding more open standards, such as OpenID, APML, OAuth, and XFN, in the coming months.

For users to have true data portability, there needs to be some consensus on both the APIs and the formats needed to transfer / represent this portable data. It may be that a number of APIs and formats are required for different scenarios. The Semantic Web is an ideal means for representing the data to be ported from social websites, in that is well suited (using vocabularies like SIOC and FOAF) to represent how people and all kinds of objects on these sites are connected together (documents, discussions, meetups, places, interests, media files - whatever). Of course other data formats may be used, but most importantly, it would be a waste of time to come up with a bunch of new formats for representing the data that needs to be portable, because a lot of work has been done on how to best provide interoperable, reusable and linked data through efforts like the Semantic Web, AtomPub and the microformats community.