Hi Nick,

It is looking really good! I wish (and hope) someone would do the same for
NZ data (digitalNZ/Stats/at/etc). Looks like you used GeoSPARQL too, it is
the first time I accessed a service with it (that was not just
dev/research), I think.

Great work!

-Bruno

On Fri, 7 Oct 2022 at 18:39, Nicholas Car <n...@kurrawong.net> wrote:

> Dear Jena users,
>
> I'm happy to announce that the Australian government now has a series of
> large spatial datasets delivered as Linked Data via web APIs that use
> Fuseki as the back end in production. This is the firts operation phase of
> a long-term semantic spatial data layer for Australia.
>
> The data is significant: authoritative census counting geometries,
> hydrological catchment areas and so on. The census spatial feature
> collections are online at:
>
> https://asgs.linked.fsdf.org.au/dataset/asgsed3/collections
>
> A single census region:
> https://asgs.linked.fsdf.org.au/dataset/asgsed3/collections/SA1/items/10102100710
>
> The largest dataset, the Geocoded National Address file, has 14.5M
> addresses (all Australian street addresses) with perhaps 50 triples each
> running well on a single GeoFuseki instance with GeoSPARQL indexing:
>
> Feature Collections:
> https://gnaf.linked.fsdf.org.au/dataset/gnaf/collections
> Address FC:
> https://gnaf.linked.fsdf.org.au/dataset/gnaf/collections/addresses
> Addresses:
> https://gnaf.linked.fsdf.org.au/dataset/gnaf/collections/addresses/items
> An Address object:
> https://gnaf.linked.fsdf.org.au/dataset/gnaf/collections/addresses/items/GANSW718188625
>
> The data from these APIs provide the points-of-truth for national spatial
> dataset object identity, e.g. the address above with the persistent IRI of:
>
> https://linked.data.gov.au/dataset/gnaf/address/GANSW718188625
>
> We are also testing the use of all the various datasets combined in a
> Digital Atlas of Australia Analytics Platform. That will see complex SPARQL
> qrieries posed against all the data with geospatial and text filtering, for
> which we will soon implement Fuseki Lucene text indexes on top of the
> GeoSPARQL indexes.
>
> We have spent a fair bit of time getting RDF generation from non-RDF
> sources right, running RIOT tooling to check and load RDF data and to build
> various indexes, mostly in AWS cloud infrastructure. We thank:
>
> * Stian Soiland-Reyes
> * Zazuko
> * Finland's Semantic Computing Research Group
>
> ...for their Fuseki containerisation that has made this relatively easy.
>
> Of course, we thank Andy Seabourne and the Apache Foundation for
> Jena/Fuseki itself!
>
> Regards,
>
> Nicholas Car
> n...@kurrawong.net
>
> David Habgood
> dcchabg...@gmail.com
>

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