On 10/4/19 3:58 AM, Thomas Francart wrote:
> Hello
>
> I understand the wikidata SPARQL label service only fetches the
> labels, but does not allow to search/filter on them; labels are also
> available in regulare rdfs:label on which a FILTER can be made.
> However I would like to do full-text search over labels, to e.g. feed
> an autocomplete search field, actually just like the usual top-right
> wikidata search field does. I would also be interested to combine this
> with a criteria on "instance of", to search only on instances of a
> given class.
>
> Can I do that efficiently using the Wikidata SPARQL service ? or is
> there a separate API I could use ? (exemple welcome)
>
> Thanks
> Thomas
>
> -- 
> *
> *
> *Thomas Francart* -*SPARNA*
> Web de _données_ | Architecture de l'_information_ | Accès aux
> _connaissances_
> blog : blog.sparna.fr <http://blog.sparna.fr>, site : sparna.fr
> <http://sparna.fr>, linkedin : fr.linkedin.com/in/thomasfrancart
> <https://fr.linkedin.com/in/thomasfrancart>
> tel :  +33 (0)6.71.11.25.97, skype : francartthomas


Hi Thomas,

Remember, we also publish a SPARQL Endpoint for Wikdata access [1]. You
can repeat your tests there too.

Example (note that the retry loop indicates resources limits of this
particular instance setup):

Search on "Paris"

http://wikidata.demo.openlinksw.com/fct/facet.vsp?qxml=%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%20%3F%3E%3Cquery%20inference%3D%22%22%20same-as%3D%22%22%20view3%3D%22%22%20s-term%3D%22%22%20c-term%3D%22%22%3E%3Ctext%3EParis%3C%2Ftext%3E%3Cview%20type%3D%22text-d%22%20limit%3D%2220%22%20offset%3D%22%22%20%2F%3E%3C%2Fquery%3E
<http://lod.openlinksw.com/fct/facet.vsp?qxml=%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%20%3F%3E%3Cquery%20inference%3D%22%22%20same-as%3D%22%22%20view3%3D%22%22%20s-term%3D%22%22%20c-term%3D%22%22%3E%3Ctext%3EParis%3C%2Ftext%3E%3Cview%20type%3D%22text-d%22%20limit%3D%2220%22%20offset%3D%22%22%20%2F%3E%3C%2Fquery%3E>

Config:

OpenLink Virtuoso version 08.03.3315 as of Sep 4 2019, on Linux
(x86_64-generic-linux-glibc25), Single-Server Edition (378 GB total memory)

Same thing using the LOD Cloud cache instance, where data is a little
out of date also:

http://lod.openlinksw.com/fct/facet.vsp?qxml=%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%20%3F%3E%3Cquery%20inference%3D%22%22%20same-as%3D%22%22%20view3%3D%22%22%20s-term%3D%22%22%20c-term%3D%22%22%3E%3Ctext%3EParis%3C%2Ftext%3E%3Cview%20type%3D%22text-d%22%20limit%3D%2220%22%20offset%3D%22%22%20%2F%3E%3C%2Fquery%3E

Config:

OpenLink Virtuoso version 07.20.3224 as of Dec 19 2017, on Linux
(i686-generic-linux-glibc212-64), Cluster Edition (4 server processes,
756 GB total memory)

Links

[1] http://wikidata.demo.openlinksw.com/fct

[2] http://wikidata.demo.openlinksw.com/sparql


-- 
Regards,

Kingsley Idehen       
Founder & CEO 
OpenLink Software   
Home Page: http://www.openlinksw.com
Community Support: https://community.openlinksw.com
Weblogs (Blogs):
Company Blog: https://medium.com/openlink-software-blog
Virtuoso Blog: https://medium.com/virtuoso-blog
Data Access Drivers Blog: 
https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers

Personal Weblogs (Blogs):
Medium Blog: https://medium.com/@kidehen
Legacy Blogs: http://www.openlinksw.com/blog/~kidehen/
              http://kidehen.blogspot.com

Profile Pages:
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LinkedIn: http://www.linkedin.com/in/kidehen

Web Identities (WebID):
Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i
        : 
http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this

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