RDF Schema 1.1 (W3C Rec 2014-02-25) — typed metamodel package; vocabulary-description layer atop RDF; upstream of OWL and SKOS.

RDF 1.1 (W3C Rec 2014-02-25) — typed metamodel package; foundation of the Semantic Web stack consumed downstream by RDFS, OWL, SKOS.

TypeScript implementation of W3C ITS 2.0 Recommendation (29 October 2013) — Internationalization Tag Set. CMOF-typed metamodel for the 19 data categories that govern translation, localization quality, language information, and domain-specific NLP annotation.

OMG Data Distribution Service (DDS) v1.4 (formal/2015-04-10) — extensible TypeScript base classes and interfaces for the DDS metamodel. Pure DDS; downstream consumers extend through TypeScript inheritance.

TypeScript implementation of IEEE FIPA Interaction Protocol Library — 11 named coordination protocols (Request, Query, Request-When, Contract Net, Iterated Contract Net, English/Dutch Auction, Brokering, Recruiting, Subscribe, Propose) per FIPA SC0002{6..36} (2002-12)

TypeScript implementation of OASIS UIMA 1.0 — Unstructured Information Management Architecture (with Apache UIMA 3.x and ISO/IEC 24618 alignment). Pure metamodel surface for Type Systems, CAS, AnalysisEngines, FlowControllers, and the full UIMA component descriptor stack.

OMG SoaML 1.0.1 (formal/12-05-10) -- Service oriented architecture Modeling Language metamodel + UML profile, projected as extensible TypeScript metaclasses for the AML graph. Depends on @amlhubs/uml.

SKOS Simple Knowledge Organization System (W3C Rec 2009-08-18) — typed metamodel package for thesauri, taxonomies, classification schemes; specializes RDFS.

OMG Abstract Syntax Tree Metamodel (ASTM) 1.0 (formal/2011-01-05) — 193 GASTM normative metaclasses + 56 RDB SASTM (Annex A, non-normative) extension classes = 249 metaclasses across 9 nested packages. Pure ASTM; downstream consumers extend through TypeScript inheritance.

OWL 2 Web Ontology Language (W3C Rec 2012-12-11) — typed metamodel package for OWL 2 structural specification, classes, properties, individuals, axioms; specializes RDFS.

TypeScript implementation of IEEE FIPA Agent Communication Language (Message Structure SC00061G + Communicative Act Library SC00037J + SL Content Language SC00008I)

OMG MOF Support for Semantic Structures (SMOF) 1.0 metamodel — TypeScript projection with §-cited JSDoc. Specializes @amlhubs/mof + @amlhubs/uml.

OMG Automated Function Points (AFP) 1.0 — formal/14-01-03 / ISO/IEC 19515:2019. IFPUG-compliant function-point sizing as a typed SMM 1.2 library. Specializes @amlhubs/smm.

OMG Organization Structure Metamodel (OSM) — bmi/06-11-02 v0.5 (2006-11-09). 2nd Initial Submission. OrgUnit + Position + Assignment + LegalEntity + Business Rules Extension specializing @amlhubs/sbvr.

OMG Knowledge Discovery Metamodel (KDM) 1.4 (formal/16-09-01) / ISO/IEC 19506 — extensible TypeScript base classes and interfaces for the KDM metamodel. Pure KDM; downstream consumers extend through TypeScript inheritance.

Basic Formal Ontology (BFO 2.0 / ISO/IEC 21838-2:2021) typed metamodel — extensible TypeScript base classes and interfaces projecting the BFO upper-level ontology over @amlhubs.