Initial wish list for Brick 2.0

Author: ektrah

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wishlist.md

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+# Brick 2.0 Wish List
+
+### Scope
+
+* An incremental improvement to Brick 1.x with some breaking changes, not a complete remake
+
+### Clean up "design mistakes"
+
+- ...
+- ...
+
+### Complete the technical merger with RealEstateCore (REC)
+
+- Unify common concepts, such as `rec:Collection` and `brick:Collection` or `rec:feeds` and `brick:feeds`
+- Publish one ontology with one prefix and one namespace IRI
+- Use one naming convention consistently (PascalCase or Snake_Case)
+- ...
+
+### Rebase Brick on ASHRAE Standard 223
+
+- Option 1: literally extend the 223 ontology
+    - *Pro:* do not have to reinvent what is already there
+    - *Con:* 223 insists on a lot of detail via its SHACL shapes that Brick 1.x doesn't insist on
+- Option 2: duplicate the major concepts of 223 into Brick (and define a trivial alignment)
+    - *Pro:* allow more freedom (e.g., every 223 model could be trivially converted to a Brick 2.0 model, but not every Brick 2.0 model converted-to-223 would necessarily pass 223's stricter SHACL shapes)
+    - *Con:* needs a conversion step
+
+### Made for AI
+
+- Favor designs that make instance data easily digestible for LLMs via MCP
+
+### Clean up
+
+- Exclusively use QUDT quantity kinds in favor of Brick's (add missing ones to QUDT if needed)
+- Revise the `brick:Substance` hierarchy in Brick (align with 223; add phenomena like wind, noise, etc.)
+- Split `rec:Architecture` into physical and logical spaces (cf. `s223:PhysicalSpace`/`s223:DomainSpace`)
+- Disentangle `brick:Entity`/`brick:Class`
+- ...
+
+### New features
+
+- The semantics of every `brick:Point` subclass should be fully described through semantic annotations
+    - (In addition to or in place of `brick:Tag`?)
+- Define enumerations of the possible values for `brick:Point` subclasses describing states (e.g., on/off/auto)
+- ...
+
+### Built on a solid foundation
+
+- RDF (rdf:), RDF Schema (rdfs:), and XML Schema Datatypes (xsd:)
+- SHACL for validation, documentation, and basic reasoning
+- QUDT for quantity kinds and units
+- GeoSPARQL for geospatial data