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Public Repository for the OGC GeoSPARQL Standards Working Group
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Contacting implementers #59

Open nicholascar opened 3 years ago

nicholascar commented 3 years ago

This issue lists the implementers of GeoSPARQL and this SWG's contact status of/with them.

I (Nick) will update the table here, based on comments below or emails etc.

Statuses

Organisations

Implementer Contact SWG Member Status
Stardog Evren Sirin @nicholascar contact confirmed
Virtuoso @HughWilliams @situx contact confirmed
GraphDB @VladimirAlexiev @nicholascar contact confirmed
RDFlib @nicholascar @nicholascar contact confirmed
Jena Andy Seabourne (@afs) & @galbiston @nicholascar contact confirmed
RDF4J @jeenbroekstra @lvdbrink contact confirmed
RdfDotNet Kal Ahmed (@kal) @lvdbrink not contacted yet
Franz / AllegroGraph Craig Norvell (@cnorvell) @nicholascar contact confirmed
Amazon Neptune Brad Bebee & Karthik Bharathy @nicholascar contact confirmed
AnzoGraph ? (@Madhura-CSI ?) ? -
Apache Marmotta ? @kjano not contacted yet
Parliament @IanEmmons @situx contact confirmed
Oracle @mperry455 @mperry455 contact confirmed
STRABON @kkyzir & Manolis Koumbarakis @ kotzino contact confirmed
Triplydb / YASGUI @wouterbeek @lvdbrink -
Microsoft Trinity or MS other ? (contacts via Trinity web page) @jabhay contacted - awaiting contact confirmation
MarkLogic John Snelson @nicholascar contact confirmed
GeoPubby @situx @situx -
SemanticWFS @situx @situx -
SPARQL Plugin for QGIS @situx @situx -
Ontop @ghxiao @nicholascar contact confirmed
QLever @hannahbast @nicholascar contact initiated
kjano commented 3 years ago

Hi Nick,

We can also add Apache Marmotta to the list as they support GeoSPARQL (to some degree).

Best, Krzysztof

On 12/2/20 5:27 PM, Nicholas Car wrote:

/This issue lists the implementers of GeoSPARQL and this SWG's contact status of/with them./

/I (Nick) will update the table here, based on comments below or emails etc./

    Statuses
  • not contacted yet
  • contacted - awaiting response
  • responded - but no involvement scoped yet

  • involved

    Organisations

Implementer Contact SWG Member Status Stardog Kendell Clark? Nick not contacted yet Virtuoso ? Timo not contacted yet GraphDB Vladimir Alexiev (@VladimirAlexiev https://github.com/VladimirAlexiev) Nick Not contacted yet RDFlib Nick Nick contacted Jena Andy Seabourne (@asf https://github.com/asf) Nick not contacted yet RDF4J Jeen Broekstra? (@jeenbroekstra https://github.com/jeenbroekstra ) ? not contacted yet RdfDotNet ? ? not contacted yet AllegroGraph Craig Norvell Nick contacted Amazon Neptune ? ? - AnzoGraph ? ? -

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-- Krzysztof Janowicz

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Email: jano@geog.ucsb.edu Webpage: http://geog.ucsb.edu/~jano/ Semantic Web Journal: http://www.semantic-web-journal.net

nicholascar commented 3 years ago

Done

rvesse commented 3 years ago

I'm no longer involved with the dotNetRDF project so please contact Kal Ahmed instead as he now is the lead maintainer of that project

nicholascar commented 3 years ago

I'm no longer involved with the dotNetRDF project so please contact Kal Ahmed instead as he now is the lead maintainer of that project

No worries, thanks Rob

situx commented 3 years ago

Another triple store supporting GeoSPARQL is Parliament. https://github.com/SemWebCentral/parliament I am not sure if it is too actively maintained though.

mperry455 commented 3 years ago

Can we add Oracle to the list? GeoSPARQL has been fully supported since version 12.1.

There is also STRABON from the University of Athens http://www.strabon.di.uoa.gr/home.html

TallTed commented 3 years ago

@nicholascar -- Appropriate contact people for Virtuoso will vary with the question/topic, including myself, @hughwilliams, @openlink, @pkleef, @IvanMikhailov, and potentially others.

I suggest changing the "SWG Member" column to also use Github handles.

nicholascar commented 3 years ago

Can we add Oracle to the list

Of course, duh, Spatial & Graph! I used to managed one such system...

Have added and put you in as the contact person!

nicholascar commented 3 years ago

@TallTed thanks, I'll contact you and/or the others shortly. All about Virtuoso possibly supporting GeoSPARQL 1.1 and then 1.2 or 2.0.

dvaranka commented 3 years ago

Just a note about Marmotta: There have been no updates to the Marmotta GitHub since 2016. The GeoSPARQL functionality is unsupported across all branches of the Marmotta source code except one called MARMOTTA-584, which hasn't been updated since 2015.

From: kjano notifications@github.com Sent: Wednesday, December 2, 2020 7:38 PM To: opengeospatial/ogc-geosparql ogc-geosparql@noreply.github.com Cc: Subscribed subscribed@noreply.github.com Subject: [EXTERNAL] Re: [opengeospatial/ogc-geosparql] Contacting implementers (#59)

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Hi Nick,

We can also add Apache Marmotta to the list as they support GeoSPARQL (to some degree).

Best, Krzysztof

On 12/2/20 5:27 PM, Nicholas Car wrote:

/This issue lists the implementers of GeoSPARQL and this SWG's contact status of/with them./

/I (Nick) will update the table here, based on comments below or emails etc./

Statuses

  • not contacted yet
  • contacted - awaiting response
  • responded - but no involvement scoped yet
  • involved

Organisations

Implementer Contact SWG Member Status Stardog Kendell Clark? Nick not contacted yet Virtuoso ? Timo not contacted yet GraphDB Vladimir Alexiev (@VladimirAlexiev https://github.com/VladimirAlexiev) Nick Not contacted yet RDFlib Nick Nick contacted Jena Andy Seabourne (@asf https://github.com/asf) Nick not contacted yet RDF4J Jeen Broekstra? (@jeenbroekstra https://github.com/jeenbroekstra ) ? not contacted yet RdfDotNet ? ? not contacted yet AllegroGraph Craig Norvell Nick contacted Amazon Neptune ? ? - AnzoGraph ? ? -

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-- Krzysztof Janowicz

Geography Department, University of California, Santa Barbara 4830 Ellison Hall, Santa Barbara, CA 93106-4060

Email: jano@geog.ucsb.edu Webpage: http://geog.ucsb.edu/~jano/ Semantic Web Journal: http://www.semantic-web-journal.net

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FransKnibbe commented 3 years ago

Of course everyone knows about this useful section in the white paper 'OGC Benefits of Representing Spatial Data Using Semantic and Graph Technologies'? Marmotta was excluded on purpose because GeoSPARQL support did not really take off. Since publication of the white paper, one other product came to light: Triplydb. It supports GeoSPARQL too, but it seems to do so based on Virtuoso Open Source. Still, I think it would be good to liaise with Triply nonetheless, because they are invested in GeoSPARQL from the data consumption side: YASGUI is a SPARQL editor with GeoSPARQL support and visualization of spatial query results. If we haven't done so already I think it will be smart to maintain contact with SPARQL or GIS client software that supports GeoSPARQL too.

abrokenjester commented 3 years ago

Hi folks, happy to hear what's going on. My expertise on GeoSPARQL specifics is not high but happy to get involved where I can.

As an aside I notice you have the wrong github handle for Jena's Andy Seaborne, it's @afs .

afs commented 3 years ago

Thanks @jeenbroekstra.

Please add @galbiston for Apache Jena as well.

TallTed commented 3 years ago

Triply is apparently a collection of UI/UX work, which sits atop multiple engines, including Virtuoso. Currently it seems to select the engine to invoke based on the data the visitor wants to work with. (Some of this is guesswork, based on the unclear docs they currently have, and some is confirmed by recent correspondence which indicates they are or will be updating their docs/site soon.)

HughWilliams commented 3 years ago

Timo contacted me directly and I will be the Virtuoso contact for this effort

situx commented 3 years ago

Of course everyone knows about this useful section in the white paper 'OGC Benefits of Representing Spatial Data Using Semantic and Graph Technologies'? Marmotta was excluded on purpose because GeoSPARQL support did not really take off. Since publication of the white paper, one other product came to light: Triplydb. It supports GeoSPARQL too, but it seems to do so based on Virtuoso Open Source. Still, I think it would be good to liaise with Triply nonetheless, because they are invested in GeoSPARQL from the data consumption side: YASGUI is a SPARQL editor with GeoSPARQL support and visualization of spatial query results. If we haven't done so already I think it will be smart to maintain contact with SPARQL or GIS client software that supports GeoSPARQL too.

I maintain GeoPubby (Linked data Frontend), SemanticWFS (WFS Adapter for linked data) and a SPARQL Plugin for QGIS, all of which I have already extended to be compatible with GeoJSON literals for GeoSPARQL 1.1 and which I consider to further extend along with the progress in this working group if necessary.

jabhay commented 3 years ago

I've made some updates to the contact table based on comments I read above.

ghobona commented 3 years ago

I would encourage all of the implementers to register their products on the OGC Compliance database.

Currently only a few implementers are listed. See https://www.ogc.org/resource/products/compliant?display_opt=3&specid=528

Register at https://www.ogc.org/resource/products/registration

lvdbrink commented 3 years ago

For triplydb: @wouterbeek

For Graphdb: @semanticfire I believe you also had a contact there?

lvdbrink commented 3 years ago

Also, Marklogic might be interested. I had a contact there (@taatuut), but I believe he left.

paulc-dstl commented 3 years ago

GeoSPARQL was used to develop the spatio-temporal extension (CRMgeo) to the CIDOC CRM ontology, as used in the cultural heritage sector. So not an implementer in the sense of software supporting GeoSPARQL. But there are information systems likely using CRMgeo, which imports GeoSPARQL. Key contacts would be Martin Doerr at ICS Forth and Gerald Hiebel at Innsbruck.

ghxiao commented 3 years ago

Hi @nicholascar,

I am responsible for the Ontop project, which can virtually expose relational databases as RDF graphs and queryable by SPARQL. In the past, in collaboration with the University of Athens, we have experimentally implemented an extension of Ontop (http://ontop-spatial.di.uoa.gr/) with GeoSPARQL support. It is described in [1]. It was a separate development and is currently outdated.

[1] Konstantina Bereta, Guohui Xiao, and Manolis Koubarakis. Ontop-spatial: Ontop of geospatial databases. Journal of Web Semantics, 58, 2019. http://www.ghxiao.org/publications/2019-swj-ontop-spatial.pdf

Recently we have reimplemented GeoSPARQL support in Ontop v4. The implementation is done and we expect to release it in Jan/Feb in the standard distribution of Ontop. We are currently experimenting with the LinkedGeoData project to make OpenStreetMap data queriable from GeoSAPRQL.

I would be happy if can contribute to GeoSPARQL in any form.

Cheers,

Guohui

semanticfire commented 3 years ago

@lvdbrink I contacted Stardog, haven't heard back, I'll try another contact

mathib commented 3 years ago

Is it relevant to contact the developers behind GeoSPARQL conversion libraries such as TripleGeo and GeoTriples? If so, anyone who has contacts?

mathib commented 3 years ago

Another triple store supporting GeoSPARQL is Parliament. https://github.com/SemWebCentral/parliament I am not sure if it is too actively maintained though.

If possible, the developers of Parliament should be contacted. They are also listed on OGCs products page regarding implementations of GeoSPARQL, besides Oracle Spatial and Graph and Compusult Web Enterprise Suite. The latter should probably also be contacted

VladimirAlexiev commented 3 years ago

Hi @nicholascar I confirm I'll be a contact point for Ontotext.

We've recently integrated ONTOP for virtualization and I've read with a lot of interest @ghxiao 's announcement. Is that new version available?

ghxiao commented 3 years ago

Hi @VladimirAlexiev The code of GeoSPARQL support in Ontop is already merged into the main branch (https://github.com/ontop/ontop/tree/version4). We are going to make a stable release 4.1 soon after some bugs in other parts of Ontop are fixed. Currently, it is available for testing also at Docker hub: https://hub.docker.com/repository/docker/ontop/ontop-endpoint with the tag 4.1-snapshot. We have already deployed it in a few projects.

lvdbrink commented 3 years ago

For STRABON, Kostis Kyzirakos (@kkyzir) might be the one to get in touch with. I talked to him a few times (years ago now though).

RdfDotNet - Kal Ahmed was in touch with me not too long ago so you could put me as the SWG member to contact him.

Ontop could also be added to the table at the top, it's still missing.

kotzino commented 3 years ago

Hi ,

for STRABON it is Kostis and his advisor Manolis Koumbarakis. I know both quite well and I can talk to them if you like.

Best, Dimitris

On 25/2/21 20:42, Linda van den Brink wrote:

For STRABON, Kostis Kyzirakos might be the one to get in touch with. I talked to him a few times (years ago now though).

RdfDotNet - Kal Ahmed was in touch with me not too long ago so you could put me as the SWG member to contact him.

Ontop could also be added to the table at the top, it's still missing.

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IanEmmons commented 3 years ago

The correct contact for Parliament is indeed myself (@IanEmmons).

nicholascar commented 3 years ago

All updates from comments until this point added to the table - thanks contributors!

ghxiao commented 3 years ago

Hi @nicholascar I confirm I'll be a contact point for Ontotext.

We've recently integrated ONTOP for virtualization and I've read with a lot of interest @ghxiao 's announcement. Is that new version available?

Hi @VladimirAlexiev I am happy to announce that Ontop 4.1 is released, and now GeoSPARQL is officially supported in Ontop. The highlights of the new implementation details are documented in the recent publication:

VladimirAlexiev commented 3 years ago

Thanks!

Seandebasti commented 3 years ago

Hi, I am not really sure and familiar if this is a worthy source to share in this context.

LOC was asking for a review of recommended format statement (RFS) in a mailing list. I also looked into geospatial formats at all formats (FDD) from another page at LOC and GeoSPARQL is not mentioned.

You could evaluate this spot for now or later purpose for sharing. I contacted the initiator of RFS to get back in contact. If you think its worthy you could also try via contacts for a update in FDD.

nicholascar commented 3 years ago

@Seandebasti thanks for the pointers to a very important Linked Data adopter, the LOC. I guess, until this post, this Issue has focused on implementers of GeoSPARQL 1.0 and potential implementers of GeoSPARQL 1.1's functions, however we will also need implementers of the new ontology elements as well. Recommendations by Linked Data publishers to use the new elements and, better, evidence that the new elements are actually implemented, are important and, I suppose, this is the category that the LOC fits into.

Following your suggestion, I will contact the FDD contact point and ask them to list GeoSPARQL (1.1).

Soon we will make a table of individual elements of GeoSAPRQL 1.1 implemented by implementers and, perhaps then, we can look for who might be potential implementers of the new elements.

dvaranka commented 3 years ago

I am submitting two files, a JavaScript file and text description, of our USGS GeoSPARQL custom implementation. FYI Dalia Varanka (dvaranka@usgs.gov) for USGS GeoSPARQL Implementation.zip

Tanner Fry (tfry@contractor.usgs.gov), Jacques Bourquin (jbourquin@contractor.usgs.gov)

nicholascar commented 1 year ago

Dear Implementers, GeoSPARQL 1.1 is now in public comment phase, please see the Press Release here:

If you would like to comment on the standard in its essentially final form, please do so now! Thanks.

@HughWilliams @VladimirAlexiev @afs @galbiston @jeenbroekstra @kal @cnorvell @Madhura-CSI @IanEmmons @mperry455 @kkyzir @wouterbeek @lvdbrink @jabhay @jabhay @kotzino @ghxiao @hannahbast