Re: Fuseki support other query languages

2017-03-05 Thread Andy Seaborne
Using SERVICE to inject pragma into the query is not exact standard ... nor exactly spec-compliant :-) I think that is trying to do something like a traversal of 1 to 4 in depth and get a picture: {0,4} includes the start. Standard SPARQL has arbitrary length traversal and can't limit the dep

Re: Fuseki support other query languages

2017-03-05 Thread Laura Morales
> I don't know where in particular you got it https://query.wikidata.org

Re: Fuseki support other query languages

2017-03-05 Thread A. Soroka
That is in no way a normal SPARQL query. I don't know where in particular you got it, but it is an example of Blazegraph/BigData's "GAS" API. It's not an example of idiomatic SPARQL at all. https://wiki.blazegraph.com/wiki/index.php/RDF_GAS_API That is a specialist extension API for one product

Re: Fuseki support other query languages

2017-03-05 Thread Laura Morales
> Could you be more specific about these intuitions and difficulties? with other query languages such as gremlin you start from a vertex (or set of vertices), and follow links (predicates). This is very intuitive, because it resemble the picture of a graph that I have in mind. For example, I can

Re: Fuseki support other query languages

2017-03-05 Thread Chris Dollin
On 04/03/17 13:49, Laura Morales wrote: well I don't have a specific use case in mind, I just find SPARQL very counter-intuitive and difficult to reason with Could you be more specific about these intuitions and difficulties? Chris

Re: Fuseki support other query languages

2017-03-05 Thread baran . ha
On Sat, 04 Mar 2017 16:10:56 +0100, Laura Morales wrote: OK if I get this right, TDB is the actual database storing all triples/n-quads, and Fuseki is a layer on top of it whose purpose is to parse SPARQL queries and retrieve triples from TDB. Right? YES, and if you are not working on