Marco well how so? I currently provide GeoSpatialWeb as GNU Lesser GPL + r-tree index (Copyright (C) 2002 Navel Ltd.
The r-tree index is what you would replace with your PostGIS implementation. Are you OK with GNU Lesser GPL. What kind of license would you prefer? I am happy to extend the GeoSpatialWeb API. Do you plan to support geometries or only points? Marco On Tue, Sep 13, 2011 at 11:03 AM, Paolo Castagna <[email protected]> wrote: > Marco Neumann wrote: >> >> Hi Alex, >> >> you can "easily" extend GeoSPARQL to support your desired geospatial >> index. >> >> We use a spatial filter during query processing for candidate >> selection as outlined by Voissard in Spatial Databases an Introduction >> [1]. It would be great if you could build on what we already have in >> the geospatialweb project >> >> http://code.google.com/p/geospatialweb/ > > Hi Marco, > if we want to have this contributed to the Apache Jena project, do you think > there will be problems in relation to licenses of GeoSPARQL or any of its > dependencies? > > Thanks, > Paolo > >> >> >> Best, >> Marco >> >> >> >> [1] http://page.mi.fu-berlin.de/voisard/ >> >> On Tue, Sep 13, 2011 at 7:42 AM, Alexander Dutton >> <[email protected]> wrote: >>> >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> Hi all, >>> >>> We've currently got a lot of (simple) geospatial data in >>> <http://data.clarosnet.org/> (served behind the scenes by Fuseki). >>> >>> We'd like to do some geospatial indexing magic, and were wondering >>> about writing something a bit like LARQ that will pull out things like >>> geo:Points and WKT literals, place them in a PostGIS-flavoured DB, and >>> then implements something like GeoSPARQL (<http://geosparql.org/>). >>> >>> Has anyone started doing this or something similar? I'm happy to give >>> it a go and I'm sure my employer would be happy to contribute it back >>> to Jena and the ASF. My plan was to go through the LARQ codebase to >>> work out how it hooks itself in, and use that as a model. >>> >>> Yours, >>> >>> Alex >>> >>> - -- >>> Alexander Dutton >>> Metamorphoses Project Developer, Claros >>> Oxford University Computing Services, ℡ 01865 (6)13483 >>> -----BEGIN PGP SIGNATURE----- >>> Version: GnuPG v1.4.11 (GNU/Linux) >>> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ >>> >>> iEYEARECAAYFAk5vQbgACgkQS0pRIabRbjC9QACfTZtTcFIhDXjWPR+MpEWunKkt >>> 38oAnR5n+oi1nuTZAfRdOrF2mcOac2Ck >>> =r1dj >>> -----END PGP SIGNATURE----- >>> >>> >> >> >> > > -- Marco Neumann KONA --- Join us at the Semantic Web Media Summit in New York City for an exciting event on 14 September 2011 http://www.lotico.com/evt/swmsNYC2011/
