it uses the JTS Topology Suite indexer which hasn't been updated for a while but is open source under the LGPL license.
On Wed, Sep 12, 2012 at 5:42 PM, Rob Vesse <[email protected]> wrote: > I remember some discussions a while back about one of the barriers to > implementing GeoSPARQL in Jena being the lack of a good indexing library to > use > > I notice that Lucene 4.0 has a new Spatial module - > http://lucene.apache.org/core/4_0_0-BETA/spatial/index.html – which is > itself built on another library Spatial4j which is ASL licensed > > Would these be sufficient pieces to get us started? I haven't looked in > detail as to whether these libraries provide the specific geospatial > primitives and functions we'd need to implement GeoSPARQL > > Rob > -- --- Marco Neumann KONA Join us at SemTech Biz in New York City October 15-17, 2012 and save 15% with code STMN http://www.lotico.com/evt/SemTechBizNYC2012
