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The Entity Registry System (ERS)
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The Entity Registry System (ERS)

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Presentation given during DownScale2013. ERS is a Linked Data publication platform that is offline by default and fully decentralised

Presentation given during DownScale2013. ERS is a Linked Data publication platform that is offline by default and fully decentralised

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  • 1. THE ENTITY REGISTRY SYSTEM (ERS) DownScale2013 Geneva, 19 September 2013 Christophe Guéret(@cgueret) https://github.com/ers-devs
  • 2. ARCHITECTURAL CHALLENGE Collaborate onashared knowledge base Iconscredithttp://www.iconeden.com/icon/milky-a-free-vector-iconset.html
  • 3. USE THE CLOUD ! Big server +reliable network +light interfaces
  • 4. BUT IT DOES NOT ALWAYS WORK ... 5B people do not have reliable Internet access Big servers are not widely accessible either Applicationspecific ->beware of data-silos No P2Pdialogue, evenfor P2Pactivities Transfer ownership of data Smart phones are anexception, not anorm So we need something else....
  • 5. INTRODUCING ERS Fully decentralised Linked Datapublicationplatform Lets users collaboratively describe and link entities Works under any kind of connectivity context Tracks back individualedits back to their authors
  • 6. BASIC COMPONENT: CONTRIBUTORS Edit the content of the dataspace Every contributor hosts its owndata Contributors canshare datawiththeir peers
  • 7. BASIC COMPONENT: BRIDGES Increase connectivity Canonly cache content fromContributors Fullcopy of cache among bridges
  • 8. BASIC COMPONENT: GLOBAL SERVER Aggregates the content fromthe Bridges Exposes the knowledge base to the outside world Needs to scale up
  • 9. THE TESTS SO FAR ...
  • 10. SUGAR ACTIVITY TO SEND MESSAGES
  • 11. USE-CASE 1 : SOCIAL NETWORKING Contributors:someone's laptop, contribute one profile Bridges:coffee-room device, keep track of visitors Global server:server providing an overview of the contacts => Everyone visiting a universitycan connectwith those who came before and those who are there => Automatic, gossip-like, update of profiles => Tune bridges connections based on shared interests => LinkedIn like endorsementbyresource description
  • 12. USE-CASE 2 : MARKET PLACE Contributors:farmer selling point, announces prices Bridges:Sneakernet(people/truck/...), makes the info move Global server:crowd-sourcing for governments => Verypervasive wayto communicate marketprices as structured data and do crowd sourcing => Adjustbridges to connectto anyother bridges
  • 13. TAKE HOME MESSAGE ERS infew words : Fully decentralised Linked Data publication platform Worksunder any kind of connectivity context Tracksback individual editsback to their authors Simpleand versatile Open Source Low resourcedemanding https://github.com/ers-devs ... and open for contributionsso don'thesitateto fork it!