This is just a summary for the participants of the FIWARE global summit 2026. See you there in Menton. Smart Data Models’ Candidates repository has grown a lot over the past few weeks. This post is a single roundup of everything in it today: 29 source standards, translated into 385… More…
Smart Data Models’ Candidates repository now includes a new candidate standard, untp-v0.8.0, translated from the UN Transparency Protocol (UNTP) Digital Product Passport specification — a B2B data standard, issued as a W3C Verifiable Credential, for carrying product and sustainability information through supply chains. Two entities are covered: DigitalProductPassport and Product…. More…
Smart Data Models’ Candidates repository now includes a new candidate standard, cityjson-v2, translated from CityJSON v2.0.2 — a JSON encoding of a subset of the OGC CityGML data model for 3D city models. All 33 core City Object types defined in cityjson/specs‘ schemas/cityobjects.schema.json now have an NGSI-LD / NGSI-v2 representation…. More…
Smart Data Models’ Candidates repository now includes a new candidate standard, gaiax-ontology-v2111, translated from the Gaia-X ontology v2111 — the vocabulary behind Self-Descriptions in Gaia-X federated data spaces and cloud ecosystems. All 165 classes published at docs.gaia-x.eu/ontology/v2111/classes now have an NGSI-LD / NGSI-v2 representation. What’s in it Gaia-X’s ontology is… More…
Smart Data Models’ Candidates repository now includes four new candidate standards translated from the European Union Agency for Railways (ERA) Ontology v3.3.3 — the shared data model behind the EU’s four railway interoperability registers. Together they bring 74 entity types covering the physical rail network, authorised rolling stock, certification records,… More…
The Candidates repository has a third entry: madrid-accidentes-trafico, one model — AccidentInvolvedPerson — covering traffic accidents registered by Madrid’s Policía Municipal. Browse it alongside the other two candidates on the search page. If this is your first time hearing about the Candidates repository, the introductory post explains what it is… More…
The Candidates repository has its second entry: edint-turismo, 11 models covering tourism accommodation (hotels, guest houses, aparthotels) and historical/cultural resources (fortified palaces, amphitheatres, aqueducts), translated from the EDINT Tourism repository. You can browse both candidates now on the search page. If you missed it, the first post explains what the… More…
Keep an eye on the last widget in the right-hand column of the smartdatamodels.org front page: it now tracks live updates to the Candidates repository, the place where existing standards and ontologies get their first translation into the Smart Data Models shape before becoming official. Every new candidate standard, every… More…
The Smart Data Models now has a Candidates repository — a low-friction entry point where any existing standard, ontology or open dataset can be translated into the SDM shape (JSON Schema + NGSI-LD context + examples) before anyone commits to the full contribution process. The first entry, translated from the… More…
We are pleased to announce the publication of geometry_msgs_pose and nav_msgs_odometry and sensor_msgs_batteryState within the subject dataModel.ROS2. geometry_msgs_pose: A representation of pose in free space, composed of position and orientation nav_msgs_odometry: Represents an estimate of a position and velocity in free space sensor_msgs_batteryState: Represents the state of a battery, including… More…
Candidates updates
