Re: Spatial Indexing library for GeoSPARQL

2012-09-13 Thread Paolo Castagna
Hi Rob (a bit out of the loop at the moment, however) do you know if there is any GeoSPARQL open source implementation around we could look at? One useful thing to do would be go to through the GeoSPARQL spec and make a list of the FILTERs which need to be implemented. What is not trivial IMHO is

Re: Spatial Indexing library for GeoSPARQL

2012-09-13 Thread Andy Seaborne
On 12/09/12 23:10, Marco Neumann wrote: I would say yes the interesting bits are done by JTS. we used another LGPL index for geosparql.org. I think Jena deserves a dedicated file based indexer to support the full OGC geosparql standard but that said the task should not be underestimated. (a

Re: Spatial Indexing library for GeoSPARQL

2012-09-13 Thread Marco Neumann
On Thu, Sep 13, 2012 at 8:19 AM, Andy Seaborne a...@apache.org wrote: On 12/09/12 23:10, Marco Neumann wrote: I would say yes the interesting bits are done by JTS. we used another LGPL index for geosparql.org. I think Jena deserves a dedicated file based indexer to support the full OGC

Re: Spatial Indexing library for GeoSPARQL

2012-09-12 Thread Marco Neumann
I would say yes the interesting bits are done by JTS. we used another LGPL index for geosparql.org. I think Jena deserves a dedicated file based indexer to support the full OGC geosparql standard but that said the task should not be underestimated. On Wed, Sep 12, 2012 at 5:59 PM, Rob Vesse