Hello Christian, We have numerous wishes for spatial support, the key problem is that they're totally different from each other. We have proposed use cases and related APIs --- for 2D, 3D and 3D+time intervals; --- with rectangular, lat/long and "12 squares" indexes; --- with dots only, plain polygons, polygons of true big circle args and polygons with curvatures (AutoCAD-like); --- fixed-point or floating point.
There are no "duplicate" wishes at the moment to choose the most popular wish and implement it. Keeping in mind that 1) implementation cost differs a lot from variant to variant AND 2) it's really hard to upgrade an insufficient implementation AND 3) performance is opposite to expressivity and accuracy, I'm in doubt. Best Regards, Ivan Mikhailov OpenLink Software http://virtuoso.openlinksw.com On Sat, 2009-04-04 at 18:36 +0200, Christian Becker wrote: > Hi there, > I'm currently involved with Wikipedia folks about working with map > data in Wikipedia. > There will be an official Map API and there is some interest in using > SPARQL to facilitate geospatial queries that involve infobox data etc. > like in DBpedia Mobile. > If Virtuoso would support this (ideally on dbpedia.org), I could > probably come up with a demo for them. > > > Cheers, > > > Christian > > On Feb 11, 2009, at 1:36 PM, Hugh Williams wrote: > > > Ceriel, > > > > > > It's something that has been planned for over a year :-) > > > > > > At the current time acceleration will be project priority driven. > > > > > > Best Regards > > Hugh Williams > > Professional Services > > OpenLink Software > > Web: http://www.openlinksw.com > > Support: http://support.openlinksw.com > > Forums: http://boards.openlinksw.com/support > > > > > > > > > > > > On 10 Feb 2009, at 23:59, Ceriel Jacobs wrote: > > > > > After Postgresql, the Mysql database server has support for spatial > > > extensions since version 5.1 [1], > > > by implementing a subset of the SQL with Geometry Types environment > > > proposed by OGC. [2] > > > > > > > > > Information about spatial features within Virtuoso could not be found > > > at openlinksw.com, that why this question is asked over here. > > > > > > > > > What kind of support is (a) there already / (b) planned > > > within Virtuoso for supporting spatial features? > > > > > > > > > > > > > > > Best, > > > ~Ceriel > > > > > > > > > [1] http://dev.mysql.com/doc/refman/5.1/en/spatial-extensions.html > > > [2] http://www.opengeospatial.org/standards/sfs > > > > > > > > > PS Is there a search facility available for the sourceforge hosted > > > [virtuoso-users] list archive? >
