The ETSI standardization body has just published a new version of the NGSI-LD standard. This is the API standard implemented by the FIWARE components.
The specification can be downloaded from this link.
Some changes are:
Allows multityping of entities, etc.
The data model of Point of Interest in the subject dataModel.PointOfInterest has been extended with the contribution of IUDX
RevenueCollection is a new data model for a new subject datamodel.PublicAccountability.
Thanks to the relation with GSMA IoTBig Data project a new data model Manufacturing Machine is being published in the subject dataModel.ManufacturingMachine of the Smart Manufacturing domain.
Now in the documentation directory of every data model ‘/doc’ you can see two new files spec_IT.md and spec_JA.md that are the Italian and Japanese translations of the specifications.
They are in beta version, (and they are nice automatic translations, but automatic).
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A new data model has been published in the dataModel.WasteWater subject belonging to the Smart Water domain.
It is coming from the project FIWARE4WATER.
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A new data model has been published in the dataModel.Transportation subject belonging to the Smart Cities domain.
It is coming from the use case of IUDX
In the right part of the screen, the last widget logs some of the minor changes that happen on a daily basis in the Smart Data Models Program.
Most of them are thanks to the contributors and people who raise issues in the repositories of the data models.
Only the last ten will be available but if you want the full story you can download the file.
The new service for the generation of externally referenced @context has now available the mapping of the 13 SAREF ontologies.
Check them out in the ontologies_files directory in the data-models repo.
If you want to use data models coming from several subjects you will have to merge (somehow) their @contexts.
In this first step, we offer you a service that allows you to choose what subjects you need to merge and to generate the @context.
See the instructions on the page. Now in Main menu -> @context -> Generate a local context
It also provides you with the conflicts in the attributes’ names, in order to let you solve them manually.
In the next step, possibly next week, you will have another service that will allow you to choose what reference ontologies and vocabularies you want to use and replace the Smart data models IRIs with those coming from these external sources.
Slack channel
Discord channel #smart-data-models
help on discord
Invitation to discord 
Validate a payload with a data model(external)
