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Better Search With Structured Knowledge
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Better Search With Structured Knowledge

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A quick presentation to talk about the benefits of structured knowledge, focused on parallax & freebase, and how their knowledge representation fits into the wider scope of the semantic web.

A quick presentation to talk about the benefits of structured knowledge, focused on parallax & freebase, and how their knowledge representation fits into the wider scope of the semantic web.

Published in Technology , Education
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Transcript

  • 1. Michel Dumontier, PhD
  • 2. Current search engines use keywords You might get 104M pages back You can only look at one page at a time. Hard to aggregate and visualize results How can we ask more complicated questions, and get real answers?
  • 3. Structured Knowledge Powerful Knowledge Semantic Web Interfaces Repositories Parallax FreeBase
  • 4. Powerful Interfaces Parallax
  • 5. Parallax Key Features Search w/auto-completion (with # articles) Filters on attributes (with # articles) Connections to linked topics (with # articles) Build and customize your own visual report (map, timeline, 1D/2D charts) Share with friends! http://mqlx.com/~david/parallax/
  • 6. Parallax Benefits Help users formulate advanced queries and find more stuff Engage users longer Embedding visualizations built on interesting queries Disadvantages?
  • 7. Knowledge Repositories FreeBase
  • 8. FreeBase
  • 9. User extensible
  • 10. attributes type
  • 11. Semantic Web
  • 12. Semantic Web A new web standard brought to you by the people who gave you HTML! Web 3.0 … and beyond
  • 13. RDF & the Holy Triple likes bob cookies subject predicate object
  • 14. Decentralized Mary says likes bob cookies Sally says lives in bob Ottawa Roger says employed by Carleton bob University
  • 15. Data Integration cookies lives in bob Ottawa Carleton cookies University
  • 16. Key Concepts Structured knowledge leads to better search and more accurate information retrieval over sets of related data Best knowledge repositories will be user- extensible, but leverage form fillable fields as defined by types The W3C’s Semantic Web will make sure that info doesn’t have to be centralized! 19
  • 17. Conflicting info and TRUST Mary says likes bob cookies Emily says hates bob Cookies