The Social Semantic Web
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The Social Semantic Web



New York Semantic Web Meetup / Hotel Pennsylvania, New York, NY / 3rd June 2010

New York Semantic Web Meetup / Hotel Pennsylvania, New York, NY / 3rd June 2010



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    The Social Semantic Web The Social Semantic Web Presentation Transcript

    • The social semantic web John breslin
    • social semantics via lego
    • Social semantics via scribbles
    • Just boring old slides today... ...well, hopefully not *that* boring! image from
    • lecturer at Nui galway Engineering and informatics
    • Researcher at Deri, nui galway
    • Co-founder of
    • Editor at
    • Social media is exploding! image from
    • Breakdown of ugc visits •  .61 = social networks •  .11 = forums •  .11 = UG content sites, e.g. •  .10 = UG marketplaces, e.g. •  .03 = Blogs •  .01 = UG reviews, e.g. •  .01 = Wikis •  .02 = Other Text from
    • Sites go up... image from
    • Facebook and twitter
    • ...and sites come down image from
    • bebo
    • It's the social objects we create… • Discussions • Bookmarks • Annotations • Microblogs • Multimedia
    • …that connect us to other people
    • Social media sites are like data silos image from
    • Many isolated communities of users and their data image from
    • Need ways to connect these islands image from
    • Allowing users to easily move from one to another image from
    • Enabling users to easily bring their data with them image from
    • image from
    • Semantics
    • Social Semantic Web
    • Two-way street: semantic web can help social web, vice versa • Can Use semantic web to describe people, content objects and the connections that bind them all together so that social sites can interoperate via semantics • In the other direction, object-centered social websites can serve as rich social data sources for semantic applications image from
    • Foaf (friend of a friend)
    • What's foaf? • An ontology for describing people and the relationships that exist between them: – – Identity, personal profiles, social networks – Can integrate with other SW vocabularies – Used on LiveJournal, MyOpera,, MyBlogLog, hi5, Fotothing, Videntity, FriendFeed, Ecademy, Typepad image from
    • Distributed identities with FOAF Image by sheila kinsella
    • FOAF (Friend-of-a-Friend)
    • FOAF (Friend-of-a-Friend)
    • Image by dan brickley
    • SIOC, pronounced shock image from
    • Semantically-Interlinked Online Communities (SIOC) • Goal of the SIOC ontology is to address interoperability issues on the Social Web • • SIOC has been adopted in a framework of 60 applications or modules deployed on hundreds of sites • Web 2.0, enterprise information integration, HCLS, e-government
    • Some of the SIOC core ontology classes and properties
    • From last October 39
    • RDFA (Sioc, FOAF) in drupal 7 • Drupal is a cms used by various sites: –,,, • Five Alpha versions of drupal 7 released already, semantic web support built-in – Release candidate version on its way image from
    • Rdfa on
    • Semantic search
    • Opo (Online presence ontology) • aims to unify presence information and status notification processes across different services: – Twitter, Facebook, Foursquare, etc. • Help solve the information overload issue at the same time, by providing a means to identify who / which community the information should reach: sharing spaces
    • MOAT (meaning of a tag) • • A model to define "meanings" of tags – SPARQL → • User-driven interlinking • Tagged content enters Linked Data web • Collaborative approach towards the sharing of meanings in a community image from
    • An ontology stack for the social semantic web
    • Distributed Architecture (Smob)
    • Semantic #hashtags
    • Stuff that looks exciting image from
    • Diaspora effort and
    • Appleseed project
    • OneSocialWeb
    • Openid connect "an Interoperable identity interchange protocol for the social web [...] all the technology is on the verge of being ready"
    • Facebook open graph • Allows metadata from external pages to be embedded (claimed) within facebook • E.g. metadata about a restaurant (name, location, contacts) could be imported into a facebook news feed via a like button • Good for facebook, good for the semantic web? Yes!
    • OGP in RDF (FOAF, DC, SIOC, GR)
    • Twitter Annotations • forthcoming initiative by Twitter: – attach arbitrary metadata to any tweet – overall limit for the metadata payload – May be able to attach RDF-type statements • Going beyond annotating tweets with geotemporal information: – new types of / properties for tweets image from
    • image from What If your car could tweet
    • Everywhere Real-time streams image from
    • image from
    • our new book now at
    • /johnbreslin Slides at