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Semantic Web, an introduction for bioscientists

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Emanuele Della Valle
Emanuele Della Valle

The document provides an introduction to the Semantic Web, including: - The Semantic Web extends the current web by giving information well-defined meaning so computers and people can better work together. - It aims to make data easier for machines to publish, share, find and understand through smarter data rather than just smarter machines. - Examples of Semantic Web applications include Bio2RDF, which provides structured data about genes, and the BBC publishing semantic metadata about musical artists.

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Semantic Web An Introduction ,[object Object],[object Object],[object Object]
Share, Remix, Reuse — Legally ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Agenda ,[object Object],[object Object],[object Object],[object Object]
Il Web delle origini 1988 (CERN)
Il Web delle origini (1990) [source: http://www.w3.org/DesignIssues/diagrams/history/proposal-fig1.gif ] [source: http://www.w3.org/DesignIssues/diagrams/history/Architecture_crop.png ]
The Web today Let’s browse together 2009 Map http://www.zoomorama.com/01-2477f0e8b447bb6570493cdac464c41f
Introduction Computer should understand more Large number of integrations - ad hoc - pair-wise Too much information to browse, need for searching and mashing up automatically Each site is “understandable” for us Computers don’t “understand” much ? Millions of Applications Search & Mash-up Engine 010 0 1 1 0 0 1101 10100 10 0010 01 101 101 01 110 1 10 1 10 0 1 1 0 1 0 1 0 0 1 1 0 1 1 1 10 0 1 101 0 1
Introduction What does “understand” mean? ,[object Object],[object Object],[object Object],[object Object],[object Object],[ source http://www.thefarside.com/ ]
Introduction What does Google “understand”? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction Two ways for computer to “understand” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Some NLP Related Entertainment http://www.cl.cam.ac.uk/Research/ NL/amusement.html
Introduction The Semantic Web 1/4 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction The Semantic Web 2/4 ,[object Object],Web 1.0 The Web Today
Introduction The Semantic Web 3/4 ,[object Object],Human understandable but “only” machine-readable Human and machine “ understandable ” ? Web 1.0 Semantic Web
Introduction The Semantic Web 4/4 Semantic Web Fewer Integration - standard - multi-lateral […] better enabling computers and people to work in cooperation. Even More Applications Easier to understand for people More “understandable” for computers Semantic Mash-ups & Search
Introduction Bio2RDF project - http://bio2rdf.org/
Introduction Bio2RDF REST services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction Example of questions Bio2RDF can answer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction Complex Example: Linking Open Data Project ,[object Object],Visit http://esw.w3.org/topic/SweoIG/TaskForces/CommunityProjects/LinkingOpenData ! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bio2RDF
Introduction Light Example: Publishing Semantic Mark-up ,[object Object],<div id=&quot;event-info-where&quot; class=&quot;info-wh-info vcard &quot;> <h2><a rel=&quot;bookmark&quot; class=&quot;fn org location&quot; href=&quot;/venues/V0-001-000693919-2&quot;> Circus Krone Munich </a></h2> <div class=&quot;adr&quot; > <span class=&quot;street-address&quot; > 1 </span><br> <span class=&quot;locality&quot; > Munich </span>, <span class=&quot;region&quot; > Bayern </span> <br> <span class=&quot;country-name&quot; > Germany </span>
Introduction Example: BBC’s Artist as Linked Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HTML: http://www.bbc.co.uk/music/artists/a3cb23fc-acd3-4ce0-8f36-1e5aa6a18432 RDF : http://www.bbc.co.uk/music/artists/a3cb23fc-acd3-4ce0-8f36-1e5aa6a18432.rdf
Introduction New York Times Thesaurus ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction Browsing the LOD with http://sig.ma/ Try it! http://sig.ma/search?q=Propranolol
Introduction The new era of Semantic Apps ,[object Object],[object Object],[object Object]
Introduction Semantic Web “layer cake” Standardized Under Investigation Already Possible [ source http://www.w3.org/2007/03/layerCake.png ]
Introduction Architectural view of the lower layers [source http://www.w3.org/DesignIssues/diagrams/sw-double-bus.png ]
Credits ,[object Object]

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Semantic Web, an introduction for bioscientists

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  • 4. Il Web delle origini 1988 (CERN)
  • 5. Il Web delle origini (1990) [source: http://www.w3.org/DesignIssues/diagrams/history/proposal-fig1.gif ] [source: http://www.w3.org/DesignIssues/diagrams/history/Architecture_crop.png ]
  • 6. The Web today Let’s browse together 2009 Map http://www.zoomorama.com/01-2477f0e8b447bb6570493cdac464c41f
  • 7. Introduction Computer should understand more Large number of integrations - ad hoc - pair-wise Too much information to browse, need for searching and mashing up automatically Each site is “understandable” for us Computers don’t “understand” much ? Millions of Applications Search & Mash-up Engine 010 0 1 1 0 0 1101 10100 10 0010 01 101 101 01 110 1 10 1 10 0 1 1 0 1 0 1 0 0 1 1 0 1 1 1 10 0 1 101 0 1
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  • 14. Introduction The Semantic Web 4/4 Semantic Web Fewer Integration - standard - multi-lateral […] better enabling computers and people to work in cooperation. Even More Applications Easier to understand for people More “understandable” for computers Semantic Mash-ups & Search
  • 15. Introduction Bio2RDF project - http://bio2rdf.org/
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  • 22. Introduction Browsing the LOD with http://sig.ma/ Try it! http://sig.ma/search?q=Propranolol
  • 23.
  • 24. Introduction Semantic Web “layer cake” Standardized Under Investigation Already Possible [ source http://www.w3.org/2007/03/layerCake.png ]
  • 25. Introduction Architectural view of the lower layers [source http://www.w3.org/DesignIssues/diagrams/sw-double-bus.png ]
  • 26.