aas-specs

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ECLASS RDF Representation

6

A spec came out that's important for AAS RDF representation since "semantics' in AAS is often imparted through ECLASS. https://github.com/admin-shell-io/aas-specs/issues/383 consists of two parts: - how to make URLs for...

VladimirAlexiev

RDF-native interpretation/profile

9

@sebbader in #45 on Sep 1, 2022: > We are also currently working on a way more RDF-native interpretation/profile in addition to the official RDF schema, Sebastian, can you update...

VladimirAlexiev

Properties in RDF are prefixed by class names

19

The ontology prefixes all property IRIs with names of the declaring classes as in: https://github.com/admin-shell-io/aas-specs/blob/6ee8a5148153831ac81ff0d8408aad03219a207e/schemas/rdf/rdf-ontology.ttl#L265 Usually ontologies define a global property hierarchy that can be reused for different classes. Maybe...

kenwenzel

https://github.com/admin-shell-io/aas-specs/blob/master/schemas/rdf/shacl-schema.ttl - [ ] remove `owl:imports ` since it doesn't use DASH shape constructs - [ ] remove `owl:imports sh:` since it doesn't use shapes from that URL (see https://book.validatingrdf.com/bookHtml011.html#sec126)...

VladimirAlexiev

enable the use of lang tags for langString

3

Similar to #284, both XML and RDF have a special means for attaching a lang tag; `xml:lang` and `@lang`. In JSONLD, this is expressed as `@value, @language` and there are...

VladimirAlexiev

Introduce ContainerElement as SubmodelElement interface

2

**Is your feature request related to a problem? Please describe.** In documentation and implementation we often describe special aspects of SubmodelElements, that may contain other SubmodelElements. It would be handsome...

alexgordtop

- Changes from V3.0.1 Metamodel incorporated to V3.1 - formatting: special characters (that were not displayed but in file) removed or substituted by `{empty}`

BirgitBoss

- Update chapter OPC UA #373 - valueid and isCaseOf: like semanticId #396 - update bibliography - update changeLog

BirgitBoss

Handle valueId and isCaseOf like semanticId

2

**Is your feature request related to a problem? Please describe.** In https://github.com/admin-shell-io/aas-specs/issues/376 it was decided that all semanticIds should be external references. valueId as defined for Property and MultiLanguageProperty are...

BirgitBoss

Update mapping to OPC UA?

1

In V3.0 the mapping to OPC UA is described as in the following. In the meanwhile there are new activities, do we need an update? Note1 : the mapping to...

BirgitBoss