Re: [Virtuoso-users] geometry data type in virtuoso

[Kingsley I. <ki...@op...>]

On 11/11/16 12:04 PM, Peter F. Patel-Schneider wrote:
> My experience is different.  I refreshed virtuoso opensource to the version of
> 9 November.  When I tried to load a file with the triple I got an error.
>
>
> idefix /home/virtuoso/var/lib/virtuoso/db> /home/virtuoso/bin/isql 1111 dba dba
> Connected to OpenLink Virtuoso
> Driver: 07.20.3217 OpenLink Virtuoso ODBC Driver
> OpenLink Interactive SQL (Virtuoso), version 0.9849b.
> Type HELP; for help and EXIT; to exit.
> SQL>     DELETE FROM DB.DBA.load_list;
>
> Done. -- 4 msec.
> SQL>     ld_dir ('/home/local/SoftwareDownloads/wikidata',
> 'wikidata-mars.ttl', 'http://bkr.nuance.com/wikidata');
>
> Done. -- 3 msec.
> SQL>     rdf_loader_run();
> 08:53:19 PL LOG: Loader started
> 08:53:19 PL LOG:  File
> /home/local/SoftwareDownloads/wikidata/wikidata-mars.ttl error 42000 RDFGE:
> RDF box with a geometry RDF type and a non-geometry content
> 08:53:19 PL LOG: No more files to load. Loader has finished,
>
> Done. -- 8 msec.
> SQL> idefix /home/virtuoso/var/lib/virtuoso/db>
> /home/virtuoso/bin/virtuoso-t --version
> Virtuoso Open Source Edition (Column Store) (multi threaded)
> Version 7.2.5-dev.3217-pthreads as of Nov  9 2016
> Compiled for Linux (x86_64-unknown-linux-gnu)
> Copyright (C) 1998-2016 OpenLink Software
>
> I think that the URL for geo: in your file is not one that is recognized by
> virtuoso as the namespace for the geospatial datatype.
>
> wikidata-mars.ttl has
> @prefix geo: <http://www.opengis.net/ont/geosparql#> .
> which is taken from the wikidata RDF dump.
>
> Your file has
> @prefix geo:	<http://www.w3.org/2003/01/geo/wgs84_pos#> .
>
> peter

Yes, he following isn't being loaded for overzealous reasons:
@prefix wdt: <http://www.wikidata.org/entity/> .
@prefix wd: <http://www.wikidata.org/entity1/> .
@prefix wikibase: <http://www.wikidata.org/entity2/> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .

wd:Q24227 a wikibase:Item ;
    wdt:P625 " <http://www.wikidata.org/entity/Q111>
Point(351.83-14.47)"^^gro:wktLiteral .

It should load, even if Vituoso can't make sense of the geometric
context with regards to SPARQL queries etc..

Kingsley
>
>
>> Peter,
>>
>> I mispoke about SPARQL and GeoSPARQL. My apologies for the confusion.
>>
>> The triple is valid and it loads, as per the simple test I have at:
>>
>> http://kingsley.idehen.net/DAV/home/kidehen/Public/Linked%20Data%20Documents/Nanotations/test.ttl
>> .
>>
>> or:
>>
>>  curl -i
>> http://kingsley.idehen.net/DAV/home/kidehen/Public/Linked%20Data%20Documents/Nanotations/test.ttl
>>
>>
>> Thus, we need to figure out if this is something to do with the version you
>> are workings with (as my versions are typically hot of the press etc..).
>>
>> -- 
>> Regards,
>>
>> Kingsley Idehen	      
>> Founder & CEO 
>> OpenLink Software   (Home Page: http://www.openlinksw.com)
>>
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>>
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>>         : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
>>
>>
>>
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-- 
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