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Semantically-Interlinked Online Communities

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No Event / No Location / 30th November 2007

No Event / No Location / 30th November 2007

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  • 1. Semantically-Interlinked Online Communities John Breslin Digital Enterprise Research Institute National University of Ireland, Galway john.breslin@deri.org http://sw.deri.org/~jbreslin/ www.deri.ie  Copyright 2006 Digital Enterprise Research Institute. All rights reserved.
  • 2. The aims of SIOC • To “semantically interlink online communities” • To fully describe the content and structure of discussion sites • To create new connections between online discussions • To browse connected posts and channels in interesting ways • To overcome a chicken-and-egg problem with the Semantic Web 2
  • 3. timbl on the Semantic Web and online communities “I think we could have Sir Tim Berners-Lee, podcast interview during ISWC 2005 both Semantic Web technology supporting online communities, but at the same time also online communities can support Semantic Web data by being the sources of people voluntarily connecting things together.” 3
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  • 15. Existing connections using RSS, Atom syndication • First step towards connecting online community sites: – More visibility through aggregation and search • Benefits: – Good tool support – Many consumers • Shortcomings: – Little information about structure of the site or community – Feeds typically include only last five to 20 items • How can we access information about the whole site? 15
  • 16. What is SIOC? • Semantically-Interlinked Online Communities (SIOC) • Connecting forums, posts from many types of online communities (blogs, forums, mailing lists, etc.) • Interesting possibilities: – Distributed linked conversations – Decentralised discussion channels and communities – “I […] think the concept is HOT” – Robert Douglass, Drupal Developer – “It just dawned on me that the burgeoning SIOC-o-sphere (online communities exporting and exposing content via SIOC Ontology) is actually: Blogosphere 2.0” – Kingsley Idehen, Founder and CEO of OpenLink Software 16
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  • 18. Everything we make and do… • Video annotations • Chats • Photos • Micro-blogs • OSN profiles • Bookmarks … …can connect us to other people 18
  • 19. The SIOC ontology • The main classes and properties are: 19
  • 20. SIOC and other ontologies 20
  • 21. How to get traction with SIOC on the Web 1. Create SIOC metadata exporters for open-source discussion systems and popular community sites: • b2evolution, Dotclear, Drupal, phpBB, WordPress, mailing lists, IRC, Twitter, Jaiku, aggregators, OpenLink Data Spaces, etc. 2. Produce easy-to-use APIs for writing your own SIOC applications: • APIs already for PHP, Ruby on Rails and Java 3. As well as academic papers about SIOC (16 so far), provide easy-to- read documentation and usage examples: • http://sioc-project.org/ • SIOC aims to infect the Web infrastructure: – During next upgrade cycle gigabytes of community data become available! 21
  • 22. Number of SIOC Documents (via PingTheSemanticWeb.com) 200000 180000 160000 140000 120000 100000 80000 60000 40000 20000 0 10/10/2006 29/11/2006 18/01/2007 09/03/2007 28/04/2007 17/06/2007 06/08/2007 22
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  • 24. How can SIOC data be used? 24
  • 25. SIOC browser (4) 25
  • 26. Demonstration of SIOC Explorer 26
  • 27. AccessingSIOC from all sources source Browsing SIOCcontent from one Filter by “facet” content from multiple sources • Facet can be a direct or indirect property: Direct – The topic of the content item – The creator of the item – The date created … Indirect – A geographic location of the person who created it – The gender of the person – An interest shared by many creators 27
  • 28. Where else is SIOC being used already? 28
  • 29. The aims of SIOC • To “semantically interlink online communities” • To fully describe the content and structure of discussion sites • To create new connections between online discussions • To browse connected posts and channels in interesting ways • To overcome a chicken-and-egg problem with the Semantic Web 29
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