The Social Semantic Web
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The Social Semantic Web

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Innovation at the Verge: Computational Models of Physical/Virtual Space Interaction / Lorentz Center, Leiden, The Netherlands / 18th December 2012

Innovation at the Verge: Computational Models of Physical/Virtual Space Interaction / Lorentz Center, Leiden, The Netherlands / 18th December 2012

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    The Social Semantic Web The Social Semantic Web Presentation Transcript

    • John BreslinNational University of Ireland, Galway@johnbreslin / johnbreslin.com
    • Lecturer at NUI Galway College of Engineering and Informatics
    • • Researcher at DERI, NUI Galway
    • Social, semantics and me
    • 1990/1991: VAX/VMS “MAP.COM”
    • VMS BULLETIN redux
    • 1998: Set up a gaming forum2000: Co-founded boards.ie from this• Ireland’s largest discussion forum site• 2.25 million visitors/month (~40% of Irish population)• Irish people seeking information, or just chatting about sports, TV, politics, health, whatever
    • Via Kerstinxkcd.com/802
    • 2004: Joined DERI, founded the SIOCproject• Semantically- Interlinked Online Communities• Enables interoperability and exchange of social content: – Blogs, forums, wikis...
    • 2011: Co-founder of StreamGlider, Inc.• Real-time streaming newsreader• Supports social, multimedia, news• Can be used as an enterprise dashboard• With Nova Spivack and Bill McDaniel
    • Social platforms are like data silos image from pidgintech.com
    • Many isolated communities of users andtheir data image from pidgintech.com
    • Need ways to connect these islands image from pidgintech.com
    • Allowing users to easily travel from one toanother image from pidgintech.com
    • Enabling users to easily bring their data withthem image from pidgintech.com
    • Object-centred sociality (AKA socialobjects)• Users are connected via a common object: – Their job, university, hobbies, interests, a date…• “According to this theory, people don’t just connect to each other. They connect through a shared object. […]Good services allow people to create social objects that add value.” – JyriEngestrom – Flickr = photos – del.icio.us = bookmarks – Blogs = discussion posts
    • It’s the social objects we create…• Discussions• Bookmarks• Annotations• Profiles• Microblogs• Multimedia
    • …that connect usto other people
    • Semantics
    • image from richard.cyganiak.de/2007/10/lod/lod-datasets_2011-09-19_colored.png
    • Social semantic representationmodelsUsing ontologies to model social data
    • Two-way street: the Semantic Web can helpsocial spaces, vice versa• Can use the Semantic Web to describe people, content objects and the connections that bind them all together so that social spaces can interoperate via semantics• In the other direction, object-centered social spaces can serve as rich social data sources for semantic applications image from tinyurl.com/highway2
    • The Social Semantic Web
    • FOAFFriend Of A Friend
    • What is FOAF?• An ontology for describing people and the relationships that exist between them: – http://foaf-project.org/ – Identity, personal profiles and social networks – Can be integrated with other SW vocabularies• FOAF on the Web: – LiveJournal, MyOpera, identi.ca, MyBlogLog, hi5, Fotothing, Videntity, FriendFeed, Ecademy, Typepad
    • FOAF at a glance
    • Distributed identity with FOAF
    • SIOC, pronounced shock image from tinyurl.com/siocshock
    • Semantically-Interlinked OnlineCommunities (SIOC)• Goal of the SIOC ontology is to address interoperability issues on the Social Web – sioc-project.org – W3C member submission in 2007 – SIOC has been adopted in a framework of applications or modules deployed on hundreds of sites – Web 2.0, enterprise information integration, HCLS, e- government image from tinyurl.com/friendship2
    • Some of the SIOC core ontology classesand properties
    • Some applications using SIOC
    • RDFa on newsweek.com
    • RDFa in Drupal 7• Drupal CMS used by 2% of all sites (7% of CMS) – 24% of .gov sites• Drupal 7 release has Semantic Web support built-in• RDFa (SIOC, FOAF, Dublin Core, SKOS) data for blog posts, forums, etc.• Video at www.semantic-drupal.com image from tinyurl.com/drupaper
    • SIOC can be used to...• ...provide a layer of rdfa metadata from a social website, e.g. to enhance search results>> superceded by schema.org?• ...get a complete representation/XML dump of a social website (export, import)• ...be a native format for social websites• ...do other stuff; just imagine! image from tinyurl.com/orionw
    • How much SSW data is out there? images (this one and later backgrounds) from publicdomainpictures.net
    • CommonCrawl• Muehleisen and Bizer • Results published on – LDOW @ WWW 2012 Monday 2 July 2012• 1.5 billion web pages at:• 3 billion RDF quads • webdatacommons.org /vocabulary-usage-• SIOC available from analysis/index.html at least 22k PLDs (pay-level domains)• FOAF on 27k PLDs
    • We have made all this SSW data,now let us dream about build theuseful applications!
    • Make a giant brain(-storm!)• Distributed conversation navigator• Comment search engine for the A in Q&A• Expert finding applications galore ... – Be cognisant of the huge growth in Social Semantic Web data being provided by the adopters of schema.org and its new terms
    • 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)• moat-project.org• A model to define "meanings" of tags – SPARQL →dbpedia.org/resource/SPARQL• User-driven interlinking• Tagged content enters Linked Data web• Collaborative approach towards the sharing of meanings in a community image from tinyurl.com/whichapple
    • An ontology stack for the Social SemanticWeb
    • Use case: Boeing inSite
    • Summary• Object-centred sociality refers to how we really use social spaces: – Can use semantics to describe this usage, by representing objects for linkage and reuse• Describe people, networks, content, presence, knowledge, tags, etc. with semantics• Providing solutions for novel uses on the public Web and in enterprise intranets
    • image from tinyurl.com/starshiptr
    • Our book… …at Amazon.com Slides at www.slideshare.net/Cloud