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Data stored in eagle-i repositories is published as Linked Open Data (LOD),in particular:

  • All eagle-i resources are identified by URIs.
  • All resource URIs are HTTP URLs, i.e. they are resolvable.
  • The HTTP protocol is used for content negotiation; the data is available in a variety of formats: RDF/XML, RDF/N3, HTML,...


The eagle-i search application indexes this data and leverages its semantics to offer a targeted search. Third party applications can also access the data to present different views of it, incorporate it in other websites, etc.


If a user or application knows the URI of a particular resource, they can simply request its data using the HTTP protocol; below is an example of an eagle-i resource:

http://alaska.eagle-i.net/i/0000012a-25c2-5d13-76e0-f22c80000005

and here is the RDF/XML representation of the same resource:

http://alaska.eagle-i.net/i/0000012a-25c2-5d13-76e0-f22c80000005?format=application/xml


In addition to resolvable URIs, the eagle-i repository provides two interfaces for obtaining lists of resources:

  • a SPARQL endpoint (currently with authentication)
  • a harvest API that lists all published resources in a repository (currently with authentication)

Existing public datasets, via the harvest API:


Useful LOD references

http://www.w3.org/DesignIssues/LinkedData.html

http://linkeddatabook.com/editions/1.0/

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