[Haskell-cafe] Has anyone used Graql in Haskell?

Vasiliy vasiliy.l at gmail.com
Fri Mar 17 17:14:37 UTC 2017


Grakn.ai data model looks very much like RDF[1] with SPARQL[2] as a query
language. There are quite a few data stores, owl reasoners and various
libraries to work with rdf. There are haskell packages as well: rdf4h[3] for
data representation, hsparql[4] to create and submit queries to sparql stores,
swish[5] is a semantic web toolkit.

Hope that would be helpful for you.

[1] https://www.w3.org/TR/rdf11-concepts/
[2] https://www.w3.org/TR/sparql11-query/
[3] https://hackage.haskell.org/package/rdf4h
[4] https://hackage.haskell.org/package/hsparql
[5] https://hackage.haskell.org/package/swish

Best Regards

On 03/14/2017 06:53 AM, Jeffrey Brown wrote:
> Graql[1] is a (and stands for) graph query language. It is unusually
> expressive, allowing relationships to be members of other relationships[2]
> -- effectively, allowing one edge to be an endpoint of another edge.
> Someone named Felix posted a Haskell library for generating Graql
> queries[3].
> Does anyone have a Haskell program that not only generates but uses such a
> query?
> [1] https://hackage.haskell.org/package/graql
> [2] https://discuss.grakn.ai/t/nested-relationships/
> [3] https://discuss.grakn.ai/t/graql-haskell-how-to-run-the-test-program/
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