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Ordnance Survey data as Linked Data
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We are pleased to announce a Linked Data site for the Ordnance Survey,
available at:
http://os.rkbexplorer.com
with links from over 8000 URIs to Geonames URIs. Take 'Hampshire' as
an example:
http://os.rkbexplorer.com/description/osr7000000000017765
It might also be the right time, with all the owl:sameAs discussion,
to practically demonstrate how our coreference system works. In the
above example the link created is between 'Hampshire the county' from
the OS and 'Hampshire the second order administrative division' from
Geonames. We do not know if these two entities are exactly the same,
so
instead of using owl:sameAs we use our own coref:duplicate predicate.
One of the features of our system is that knowledge about coreference
is separated from the knowledge of the actual entity. In the RDF for
the above URI at http://os.rkbexplorer.com/data/osr7000000000017765
you
will find:
Resolving this URI will give you a 'bundle' containing the duplicates:
As you can see one URI is chosen as the canonical URI to use. The
separation of coreference means, to a limited extent, that the
context
of duplication can be preserved. If I wanted to say that under some
other context there were other URIs that were deemed to be the same
then I can simply create another bundle with another
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John Goodwin added to Ordnance Survey, Semantic Applications, Announce your Semantic Web Homepage, RDFa and the Future of Search, Linked Data, Semweb Sig, WebOS, Web 3.0 - Semantic Web, GeoInf, RDF Databases, John Goodwin's Public Twine, Ontologies, GeoSemantics, GIS and Web, Knowledge Representation, Southampton swig, Ontology Wave 20 months ago
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Sharon Stern
20 months ago
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Daniel O'Connor
20 months ago
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