Portolan

Talks & demos

Opening slide of the talk, with the title in English and Japanese above the event and the speaker.

Youssef Harby · Cloud Native Geospatial Japan 2026

Portolan: An SDI Without Servers

Builds the path to Portolan one layer at a time, from range requests on object storage to one STAC catalog that software, people, and agents read the same way.

Opening slide of the talk, with the title and a link to the Dutch portal demo.

Chris Holmes · Open Geodag 2026

A Cloud-Native Upgrade for Spatial Data Infrastructure

How GeoParquet, COG, PMTiles, STAC, and other cloud-native formats can improve how spatial data infrastructures work.

Opening slide of the talk, over a map of street density.

Javier de la Torre · OGC Connect Helsinki

The Next SDI

How an SDI can work as trusted infrastructure for people and agents while keeping data under its publisher's control.

The demo home screen, inviting a question about Finland's data.

CARTO

Finland.SDI agent demo

Watch an agent answer questions using Finland's national SDI, reading directly from the catalog without an API.

The calculator, comparing monthly storage and egress costs across three providers.

Open Geodag

Cost calculator

Estimate the cost of publishing your data as a Portolan catalog.