GeoSPARQL Standards Working Group Meeting Minutes
Meeting Details
Meeting Date: 01/07/2026
Meeting Time: 2000 UTC
Meeting Location: Microsoft Teams
Attendees
| Attendee |
Moniker |
| Joseph Abhayaratna |
JA |
| Matthew Perry |
MP |
| Timo Homburg |
TH |
Note Takers
- Joseph Abhayaratna (meeting relied on transcription / AI notes rather than manual note taking)
Action Items From Last Meetings
| Done? |
Item |
Responsible |
Due Date |
| ⬜ |
Arrange / coordinate discussion with Rob Atkinson about OGC Building Blocks |
Joseph Abhayaratna |
Next Meeting |
Discussion Items
| Time |
Item |
Who |
Notes |
| 2000 |
Call for patents and roll call |
JA, TH, MP |
- No patents declared.
- Roll call completed.
|
| 2010 |
Fix WKT examples axis order |
TH, JA, MP |
- Identified incorrect X/Y axis order in WKT examples.
- Clarified CRS84 vs EPSG:4326 axis order expectations.
- Agreed to apply fixes across additional branches after review.
|
| 2020 |
Bibliography management (BibTeX workflow) |
TH, JA, MP |
- Proposal to consolidate citations into a single BibTeX file.
- Use metadata to separate normative and non‑normative references.
- Consensus that this simplifies editing and reduces errors.
|
| 2025 |
Editor guidance documentation |
TH, JA |
- Decision to add a top‑level “notes / notes for editors” folder.
- Include README explaining BibTeX and Metanorma workflow.
|
| 2030 |
RCC‑9 relations and functions |
TH, JA, MP |
- TH completed addition of RCC‑9 functions alongside properties.
- Requested reviews from additional domain experts.
|
| 2035 |
GeoSPARQL 3D paper (architecture / BIM) |
TH, JA, MP |
- Reviewed newly published paper extending GeoSPARQL with 3D functions.
- Paper seen as useful justification and inspiration for standard work.
|
| 2040 |
Function comparison table cleanup |
TH, JA, MP |
- Plan to reduce overly long comparison tables to relevant 3D functions.
- Align white paper and future spec comparisons.
|
| 2045 |
OGC Building Blocks exploration |
TH, JA, MP |
- TH presented early work on using Building Blocks for ontologies and functions.
- Main open question: appropriate granularity (ontology vs class/function).
|
| 2100 |
“Easy to add” functions and grouping |
TH, JA, MP |
- Reviewed candidate transformation functions (translate, scale, rotate).
- Discussed better grouping and marking functions as “3D‑aware”.
|
| 2115 |
Close |
All |
MEETING ENDS |
Action Items
| # |
Item |
Responsible |
Due Date |
| 1 |
Apply WKT axis‑order fixes across additional branches after approvals |
Timo Homburg |
Next Meeting |
| 2 |
Create “notes / notes for editors” folder with BibTeX workflow guidance |
Timo Homburg |
Next Meeting |
| 3 |
Request and incorporate review feedback on RCC‑9 relations/functions PR |
Timo Homburg |
Next Meeting |
| 4 |
Reduce function‑comparison tables to relevant 3D content |
Timo Homburg |
Next Meeting |
| 5 |
Introduce Rob Atkinson to advise on applying OGC Building Blocks to GeoSPARQL |
Joseph Abhayaratna |
Next Meeting |
| 6 |
Collect feedback on proposed “easy to add” function signatures and grouping |
Matthew Perry, Timo Homburg |
Next Meeting |