- From: <klotz@eurecom.fr>
- Date: Mon, 18 Nov 2019 15:34:44 +0100
- To: ted@w3.org
- Cc: Ulf Bjorkengren <ulfbjorkengren@geotab.com>, public-automotive <public-automotive@w3.org>, "Winzell, Peter" <peter.winzell@volvocars.com>
Hi Ted and all, > Benjamin gave his insight on the various graph database engines, that > basically the various open source ones require considerable more custom > programming to provide services on top of them. His and general opinion > seem to favor Neo4j. I had some thoughts about this and I see basically 2 directions for us: - RDF/RDFS/OWL and W3C standards: that would require some effort in the design and maintenance of the DB and query interface. - Existing DBMS platforms (most likely Neo4j), which come with their prorietarw query languages (cypher for instance) but would be deployed more quickly. I saw an interest in demonstrating the benefit of the VSS model through GraphQL, and that is of course possible with both approaches: with HypergraphQL [1] (or equivalent) on linked data or a GRAND stack [2] including neo4j. It mostly depends on the community using the interface. I have a personnal preference for the open standard way (RDF/OWL...) so I can use directly ontologies (like VSSo) without a need for adaptation (e.g. fro URIs to local IDs) and export JSON-LD data, but I understand that this is not mandatory for graphQL interface demonstrations. [1] https://www.hypergraphql.org/ [2] https://grandstack.io/ Best regards, Benjamin > I met with several people from Neo4j by phone about getting an > enterprise license donated, as it has additional features over the > community edition. They were favorable and will likely meet one in > person at Open Geospatial Consortium this week. They may also extend to > us usage of their cloud service. I'll setup a community edition on the > server we have at MIT for now. > > Since Patrick is sending regrets for Tuesday, perhaps we can take some > of the WG call tomorrow to discuss next steps on VSS Graph project. > > https://www.w3.org/auto/wg/wiki/Vss_data > > On Thu, 2019-11-14 at 09:52 +0100, Ulf Bjorkengren wrote: >> Will there be a meeting today at 16.00 CET to discuss the VSS >> collaboration project? >> >> BR >> Ulf >> -- >> Ulf Bjorkengren >> Geotab >> Senior Connectivity Strategist?|?Ph. D. >> Mobile +45 53562142 >> Visit www.geotab.com >> >> Join us at Connect 2020San DiegoJanuary 13 - 16, 2020 >> >> Register Now! >> >> > -- > Ted Guild <ted@w3.org> > W3C Automotive Lead > https://www.w3.org/auto > > ------------------------------------------------------------------------------- This message was sent using EURECOM Webmail: http://webmail.eurecom.fr
Received on Monday, 18 November 2019 14:34:50 UTC