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Re: [Virtuoso-users] geometry data type in virtuoso
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From: Kingsley I. <ki...@op...> - 2016-11-11 12:28:35
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On 11/10/16 1:39 PM, Peter F. Patel-Schneider wrote: > So when you implied that > wd:Q24227 a wikibase:Item ; > wdt:P625 "<http://www.wikidata.org/entity/Q111> Point(351.83 > -14.47)"^^geo:wktLiteral . > had an invalid triple you didn't really mean that. > > peter I did, but I was speaking in terms of SPARQL as opposed to GeoSPARQL. Kingsley > > > > On 11/10/2016 10:24 AM, Kingsley Idehen wrote: >> On 11/10/16 12:13 PM, Peter F. Patel-Schneider wrote: >>> Is the problem that there is <> around the URI in >>> <http://www.wikidata.org/entity/Q111> Point(351.83 -14.47) >>> Otherwise this is in the lexical space for geo:wktLiteral. >>> >>> Although the spec for geo:wktLiteral says that the lexical space consists of >>> an optional URI followed by a geometric value, the examples in the spec >>> enclose the URIs in <>. I would expect that implementations of geo:wktLiteral >>> would thus allow enclosing <>. >>> >>> Peter F. Patel-Schneider >>> Nuance Communications >> Hi Peter, >> >> We don't support this GeoSPARQL notation for datum representation at >> this time. We do plan to get this added in the not too distant future. I >> just can't give a specific ETA at this point in time. >> >> Kingsley >>> On 11/10/2016 05:06 AM, Kingsley Idehen wrote: >>>> On 11/9/16 10:25 PM, Peter F. Patel-Schneider wrote: >>>>> Through a process of bisection I found the datum that is not handled by >>>>> virtuoso. It is >>>>> >>>>> wd:Q24227 a wikibase:Item ; >>>>> wdt:P625 "<http://www.wikidata.org/entity/Q111> Point(351.83 >>>>> -14.47)"^^geo:wktLiteral . >>>>> >>>>> i.e., a point on Mars. >>>>> >>>>> Is virtuoso supposed to be able to handle other coordinate systems? If not, >>>>> how can it handle Wikidata and other information sources that have points not >>>>> on the surface of the earth? >>>>> >>>>> peter >>>> A valid RDF triple (or datum) would take the form: >>>> >>>> wd:Q24227 a wikibase:Item ; >>>> wdt:P625 "Point(351.83-14.47)"^^geo:wktLiteral . >>>> >>>> Thus, you have a problematic triple. >>>> >>>> >>>> Kingsley >>>> >>>> >>>>> On 11/08/2016 07:23 PM, Hugh Williams wrote: >>>>>> Hi Peter, >>>>>> >>>>>> What is the Virtuoso version your are using ( run “virtuoso-t -?”) ? >>>>>> >>>>>> Against the latest 07.20.3217 build the following point geometry loads >>>>>> successfully with the ttlp function: >>>>>> >>>>>> SQL> ttlp ('@prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> @prefix >>>>>> virtrdf: <http://www.openlinksw.com/schemas/virtrdf#> <point> geo:geometry >>>>>> "point(1.2 22.4"^^virtrdf:Geometry .', 'xxx', 'graph'); >>>>>> >>>>>> Done. -- 10 msec. >>>>>> SQL> sparql select * from <graph> where {?s ?p ?o}; >>>>>> s >>>>>> p >>>>>> o >>>>>> LONG VARCHAR >>>>>> LONG VARCHAR >>>>>> LONG VARCHAR >>>>>> _______________________________________________________________________________ >>>>>> >>>>>> http://xxx/point >>>>>> http://www.w3.org/2003/01/geo/wgs84_pos#geometry >>>>>> POINT(1.2000000476837 22.39999961853) >>>>>> >>>>>> 1 Rows. -- 2 msec. >>>>>> SQL> >>>>>> >>>>>> Best Regards >>>>>> Hugh Williams >>>>>> Professional Services >>>>>> OpenLink Software, Inc. // http://www.openlinksw.com/ >>>>>> Weblog -- http://www.openlinksw.com/blogs/ >>>>>> LinkedIn -- http://www.linkedin.com/company/openlink-software/ >>>>>> Twitter -- http://twitter.com/OpenLink >>>>>> Google+ -- http://plus.google.com/100570109519069333827/ >>>>>> Facebook -- http://www.facebook.com/OpenLinkSoftware >>>>>> Universal Data Access, Integration, and Management Technology Providers >>>>>> >>>>>>> On 9 Nov 2016, at 02:34, Peter F. Patel-Schneider <pfp...@gm... >>>>>>> <mailto:pfp...@gm...>> wrote: >>>>>>> >>>>>>> Hi: >>>>>>> >>>>>>> I'm trying to get virtuoso to work with geometry data types. >>>>>>> >>>>>>> I noticed that the version of virtuoso that I am using requires that the data >>>>>>> type names be in ALL CAPS (e.g., POINT). Has this been fixed in the current >>>>>>> version of virtuoso? >>>>>>> >>>>>>> peter >>>>>>> >>>>>>> ------------------------------------------------------------------------------ >>>>>>> Developer Access Program for Intel Xeon Phi Processors >>>>>>> Access to Intel Xeon Phi processor-based developer platforms. >>>>>>> With one year of Intel Parallel Studio XE. >>>>>>> Training and support from Colfax. >>>>>>> Order your platform today. http://sdm.link/xeonphi >>>>>>> _______________________________________________ >>>>>>> Virtuoso-users mailing list >>>>>>> Vir...@li... >>>>>>> <mailto:Vir...@li...> >>>>>>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users >>>>> ------------------------------------------------------------------------------ >>>>> Developer Access Program for Intel Xeon Phi Processors >>>>> Access to Intel Xeon Phi processor-based developer platforms. >>>>> With one year of Intel Parallel Studio XE. >>>>> Training and support from Colfax. >>>>> Order your platform today. http://sdm.link/xeonphi >>>>> _______________________________________________ >>>>> Virtuoso-users mailing list >>>>> Vir...@li... >>>>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Developer Access Program for Intel Xeon Phi Processors >>>> Access to Intel Xeon Phi processor-based developer platforms. >>>> With one year of Intel Parallel Studio XE. >>>> Training and support from Colfax. >>>> Order your platform today. http://sdm.link/xeonphi >>>> >>>> >>>> >>>> _______________________________________________ >>>> Virtuoso-users mailing list >>>> Vir...@li... >>>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users >>>> >>> ------------------------------------------------------------------------------ >>> Developer Access Program for Intel Xeon Phi Processors >>> Access to Intel Xeon Phi processor-based developer platforms. >>> With one year of Intel Parallel Studio XE. >>> Training and support from Colfax. >>> Order your platform today. http://sdm.link/xeonphi >>> _______________________________________________ >>> Virtuoso-users mailing list >>> Vir...@li... >>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users >> >> >> >> ------------------------------------------------------------------------------ >> Developer Access Program for Intel Xeon Phi Processors >> Access to Intel Xeon Phi processor-based developer platforms. >> With one year of Intel Parallel Studio XE. >> Training and support from Colfax. >> Order your platform today. http://sdm.link/xeonphi >> >> >> >> _______________________________________________ >> Virtuoso-users mailing list >> Vir...@li... >> https://lists.sourceforge.net/lists/listinfo/virtuoso-users >> > ------------------------------------------------------------------------------ > Developer Access Program for Intel Xeon Phi Processors > Access to Intel Xeon Phi processor-based developer platforms. > With one year of Intel Parallel Studio XE. > Training and support from Colfax. > Order your platform today. http://sdm.link/xeonphi > _______________________________________________ > Virtuoso-users mailing list > Vir...@li... > https://lists.sourceforge.net/lists/listinfo/virtuoso-users -- Regards, Kingsley Idehen Founder & CEO OpenLink Software (Home Page: http://www.openlinksw.com) Weblogs (Blogs): Legacy Blog: http://www.openlinksw.com/blog/~kidehen/ Blogspot Blog: http://kidehen.blogspot.com Medium Blog: https://medium.com/@kidehen Profile Pages: Pinterest: https://www.pinterest.com/kidehen/ Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen Twitter: https://twitter.com/kidehen Google+: https://plus.google.com/+KingsleyIdehen/about LinkedIn: http://www.linkedin.com/in/kidehen Web Identities (WebID): Personal: http://kingsley.idehen.net/dataspace/person/kidehen#this : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this |
