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Acronym Soup

Acronym Soup



Kind of a lightning talk on how semweb folk might try to keep track of a bewildering collection of 'social web' standards efforts...

Kind of a lightning talk on how semweb folk might try to keep track of a bewildering collection of 'social web' standards efforts...



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    Acronym Soup Acronym Soup Presentation Transcript

    • Acronym Soup A bluffer’s guide to Social Web standards Dan Brickley Tuesday, March 9, 2010
    • • the nice thing about standards Tuesday, March 9, 2010
    • ActivityStreams Microformats DAP hCard FOAF Atom OpenSocial XFN OAuth Text OAuth-WRAP GRDDL XMPP/Jabber Open Microblogging RSS1 RDFa FOAF+SSL Social Graph API Salmon Atom Publishing Protocol pubsubhubbub JSON W3C Widgets Tuesday, March 9, 2010
    • Other nice things • Extraordinary potential for impact • Interesting people and problems • ‘Interesting’ timescales (CSS ’96, RDF ’97...) • Figuring out how it all fits together • So how do SocialWeb specs fit SemWeb? Tuesday, March 9, 2010
    • Semantic Web & Modesty • Immodest goal: describe everything • Modest approach: share that work • Describing stuff is our core business • others do authentication, UI, APIs, ... • how to keep track of ‘those others’? Tuesday, March 9, 2010
    • Memory tricks • Who made it? people / companies / org • “Like x but made by y” (OpenSocial) • For situations like y (eg. “trusted access to private photos for t-shirt printing site”) • “the Password Anti-Pattern” • Another name for x (XMPP = Jabber) Tuesday, March 9, 2010
    • Composition and analogy • XMPP uses XML for Instant Messaging • OpenSocial uses OAuth for trusted access • FOAF+SSL uses SSL for authentication • OAuth-WRAP is like OAuth but using SSL • Microdata is like RDFa made by microformatters • XMPP as middleware: SOAP meets IRC Tuesday, March 9, 2010
    • Quick example • Open MicroBlogging (OMB) is a draft spec to federate Twitter-like services • It uses OAuth • StatusNet (opensource software, company) • StatusNet previously ‘laconi.ca’ • Flagship site: identi.ca (lots of FOAF too) Tuesday, March 9, 2010
    • Find reasons to care • With OAuth, I can authenticate Twitter uses and access their stuff & act as them • With OpenID, millions of users can login by proving they control URLs • what are the business and UI reasons they aren’t doing this more? • Link to trust/provenance on SemWeb? Tuesday, March 9, 2010
    • Tuesday, March 9, 2010
    • • With W3C Widgets, I can write apps in HTML/.js that run on mobile handsets • (..ooO “like iPhone but standardised?”) • and with W3C DAP APIs, I can request access geo, addressbook and calendar descriptions of their life • With OpenSocial I can run similar code as a Hyves or LinkedIn add-on, with trusted access to Portable Contacts addressbook Tuesday, March 9, 2010
    • Trustyness • with the Google Social Graph API, I can ask who uses XFN or FOAF to say “http:// www.youtube.com/user/danbri is me” • and check if the claim is reciprocated • at Web scale, parsing RDF/XML with Redland Raptor toolkit • (RDFa might be harder - but why? • ..oOO(so if x was an openid, and x=y...?) Tuesday, March 9, 2010
    • Data flow • with the Atom Publishing Protocol, I can publish content on thousands of blogging sites • if I have a user’s username and password • what if I could negotiate an OAuth token instead? Tuesday, March 9, 2010
    • Tips • Make time to experiment and hack • And participate in blogs, mailing lists • You absorb info quicker when you know the people, attitudes, culture of a project Tuesday, March 9, 2010
    • Tuesday, March 9, 2010