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The Semantic Web (and what it can deliver for your business)
 

The Semantic Web (and what it can deliver for your business)

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3-hour talk I gave on behalf of Social Bits and the Irish Internet Association (IIA). Contains an introduction to the general idea of the Semantic Web and Linked Data, its relevance and opportunities ...

3-hour talk I gave on behalf of Social Bits and the Irish Internet Association (IIA). Contains an introduction to the general idea of the Semantic Web and Linked Data, its relevance and opportunities for businesses, and a look under the hood - how does it all work?

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  • - documents and web pages are great for humans <br /> - structured and semantic data is in the background, and makes machines happy <br />
  • - documents and web pages are great for humans <br /> - structured and semantic data is in the background, and makes machines happy <br />
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  • - just creating lots of RDF is easy <br /> - establishing the links is hard <br />
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  • - Freebase is interesting: somewhat like Wikipedia, but based on a structured database, rather than &#x201C;just&#x201D; a wiki <br /> - Freebase is also used by Microsoft&#x2019;s Bing search engine <br />
  • - Yahoo! will find semantic information in Web pages with a technology called &#x201C;Search Monkey&#x201D; <br /> - they use this information to enrich their search results <br />
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  • - data.gov.uk: several hundred datasets from different ministries and departments and other public bodies <br /> - all fully implemented using standard Web and Semantic Web technologies and formats <br />
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  • - machine understandable as opposed to human-readable web site <br /> - can talk about things on the Web, but also about anything else, as long as we give it a URI <br /> <br />
  • - machine understandable as opposed to human-readable web site <br /> - can talk about things on the Web, but also about anything else, as long as we give it a URI <br /> <br />
  • - machine understandable as opposed to human-readable web site <br /> - can talk about things on the Web, but also about anything else, as long as we give it a URI <br /> <br />
  • - machine understandable as opposed to human-readable web site <br /> - can talk about things on the Web, but also about anything else, as long as we give it a URI <br /> <br />
  • - machine understandable as opposed to human-readable web site <br /> - can talk about things on the Web, but also about anything else, as long as we give it a URI <br /> <br />
  • - machine understandable as opposed to human-readable web site <br /> - can talk about things on the Web, but also about anything else, as long as we give it a URI <br /> <br />
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  • - often best when the domain/use case is clearly defined, rather than capturing everything <br /> - good relations: not every aspect of e-commerce, but "offers for goods and services&#x201D; <br />
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  • - started in 2000 <br /> - one of the &#x201C;success stories&#x201D; of the SW, very widely known and used <br /> - become a defacto standard: If you want to talk about people, you always use foaf:Person <br /> - livejournal, boards.ie, external converters for other networks, etc. <br />
  • - now the RDF code I showed in the beginning probably makes a bit more sense. <br /> - (explain) <br /> - you can also see an example here of how terms from different vocabularies and ontologies can be mixed <br />
  • - basic idea of GoodRelations <br /> - there are Business Entities and there are Products/Services <br /> - a particular business entity can offer a particular product or service: that is an offering <br /> - attached to the offering there are prices, quantities, etc. <br /> - there is a lot more, but that&#x2019;s the basic idea <br />
  • - as you can see, this is much more elaborate than FOAF <br />
  • - again: no need to understand all of this <br /> - these are the kinds of things you can do with GoodRelations <br />
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  • - if those principles or rules aren&#x2019;t followed, what we get are isolated data islands that that cannot be found. That defeats the whole purpose of the Semantic Web. <br /> - O&#x2019;Reilly URI - this is an example of how not to do it. Works perfectly fine in RDF, but software programs (and humans) won&#x2019;t know how to get more information about this thing. <br />
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  • - file: hard to keep Web pages and RDF (what people see and what machines see) in sync <br /> - content-negotiation: elegant solution, but not so easy to implement <br /> - (illustrate with Web browser) <br />
  • - technically easy: this is important to understand! <br /> - the ability to just embed the semantics in normal web pages appeals to many people who were previously critical of the Semantic Web, because they felt it was too complicated to implement <br /> - always in sync: e.g., people have often published an RDF file somewhere and then never updated it again, because they don&#x2019;t see it. They forget about it. <br /> - BestBuy: increased traffic, better page rank, ... <br /> - Drupal: very popular CMS, integrates RDFa out-of-the-box with the upcoming version 7 <br />
  • - so, what does RDFa look like? <br /> - not sure how familiar you are with HTML, but here is a very simple example Web page. <br /> <br />
  • - this is the same Web page with some embedded RDF, or RDFa <br /> - in your browser it will look exactly the same, but SW software will be able to <br />
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The Semantic Web (and what it can deliver for your business) The Semantic Web (and what it can deliver for your business) Presentation Transcript