The Semantic Web: The Why? What? How?

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Nelson Kelem gives a small talk to the ilinkoln media meetup group in Lincoln UK. A simple explanation.

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  • The Semantic Web: The Why? What? How?

    1. 1. Semantic Website! Why Bother? @iLinkoln 25 JAN 2011“the Hub” Lincoln University, Lincoln UK
    2. 2. What is it? The Semantic WebAn extension of the current Web that provides an easierway to find, share, reuse and combine information more easily
    3. 3. How?... Web 2.0 focuses on people. Social-media Semantic Web focuses on machines/ computers The goal is to create a Web CMS It is there to make machines understand data on the Web. To Make Search relevant etc.
    4. 4. Googly Eyes...• We roam the web searching everyday• We are getting more picky about speed• We want recent dates and relevant data• We are smarter in 3 seconds• We ....
    5. 5. Websites...• A lot of them are static with “stale” data• Require manual updates etc.• Some of them are dynamic with new data• some data is hard to find but its there• Live Indexing is leaving it out...• Scraping is helping this but its annoying sometimes
    6. 6. Typical website• Have relevant pages• Home, everything about it in summary• About us, Is all about who?• Products/Services• Blog, where you share your Knol/Expe• Contact us, All your contact details etc
    7. 7. Who’s job is it?• Webmasters Data can be integrated over the web, andthis will happen when we all understand thebenefits of building websites with semantics.
    8. 8. Tech-wise...• Tons of apps now rely on availability of data that is ready. Eg flight info, health info, gov data, person info, restaurant, general knol, company info, geo info etc.• We need to link the data silos without having to download it.• Data can be integrated over the web. This will happen when we all understand the benefits of building websites with semantics.
    9. 9. BasicsThe Semantic websiteHTML5 MICRODATA• Map your various data to an abstract data representation e.g. people, companies, events etc• Merge the result e.g. Person• you can now make a rich query on the Whole• This can be merged with wikipedia and linkedin etc to create up to date data on the subject.• OTHER METHODS INCLUDE “MICROFORMATS , RDF and RDFa”
    10. 10. WHY BOTHER?
    11. 11. Consider this...
    12. 12. In HTML5 with Microdata
    13. 13. My Rich results
    14. 14. Biz Rich Results
    15. 15. Where are you at?
    16. 16. Where is the semantic web?- It provides the technologies to make the integrationpossible. They are the RDF, Microformats, and Microdataamong many.- HTML5 Microdata is not a W3C Standard just yet. But itsthe simplest and easiest to implement, young and builtfrom past mistakes.- Does not require fixes and patches. Works seamlesslywith HTML5
    17. 17. Its easy to do.
    18. 18. Questions?• http://diveintohtml5.org• http://data-vocabulary.org• http://www.webopedia.com/DidYouKnow/ Internet/2007/Semantic_Web.asp• http://infomesh.net/2001/swintro/• http://safarista.com/ for help with it.
    19. 19. The Goal is thecreation of a Web CMS that makes sense to machines that make our life easier.
    20. 20. Nelson Kelem @iLinkoln

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