GeoSPARQL Standards Working Group Meeting Minutes

Meeting Details

Meeting Date: 01/08/2025
Meeting Time: 1907–1943
Meeting Location: Microsoft Teams

Note: Quorum present.
Note: Meeting started 1 hour earlier (UTC) as per calendar entry.

Attendees

Attendee Moniker
Matthew Perry MP
Paul Cripps PC
Timo Homburg TH
Arkadiusz Chadzynski AC

Apologies

  • Joseph Abhayaratna (JA)

Absent

  • Vladimir Alexiev (VA)
  • Nicholas Car (NC)

Note Takers

  • MP

Action Items From Last Meetings

Done? Item Responsible Due Date
Work out what publication of alignments in OGC Rainbow looks like NC Carried forward
Prepare and present GeoSPARQL material to JAG JA, NC Carried forward

Discussion Items

Time Item Who Notes
19:07 Roll call and call for patents All
  • Roll call completed.
  • No patents declared.
19:12 Previous actions All
  • No updates from JA or NC.
  • NC to work out what publication of alignments in Rainbow looks like.
  • JA and NC to present GeoSPARQL material to JAG.
19:14 Other updates TH
  • Geonovum meeting scheduled for January 22 at 10:00 a.m. CET.
  • Geonovum requested contributors by December 19.
  • TH wrote a script to generate JSON and HTML consistency reports from the specification.
19:20 Issues All
  • Issue discussed: https://github.com/opengeospatial/ogc-geosparql/issues/608.
  • Consensus that expressing full geometry contents as pure RDF would be extremely verbose and difficult to work with.
  • Agreement to discuss approach further with Peter at the Geonovum meeting.
  • General agreement that more geometry types could be useful, but concerns remain about encoding full geometry components in RDF.
  • Example referenced: https://rdf.bg/geometry.ttl.
19:20 Next items TH, MP, AC
  • TH to review and consolidate collected 3D use cases into a set of GeoSPARQL 3D requirements as time permits.
  • MP suggested compiling a survey of 3D functions available in spatial databases.
  • AC volunteered to work on building this list.
  • AC identified an additional use case: calculating shadows of 3D geometries.
19:43 Close All MEETING ENDS

Action Items

# Item Responsible Due Date
No new action items recorded