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Introduction

The Naas Ontology is a comprehensive semantic framework that systematically incorporates Basic Formal Ontology (BFO) and Common Core Ontologies (CCO), extending them through domain-specific and application-level ontologies for AI-powered knowledge management.

Ontological Architecture​

The Naas Ontology follows a principled 4-level hierarchy based on ontological abstraction:

Core Principles​

1. BFO Foundation​

All concepts are grounded in Basic Formal Ontology's systematic categorization:

@prefix bfo: <http://purl.obolibrary.org/obo/> .
@prefix abi: <http://ontology.naas.ai/abi/> .

# Everything starts with BFO Entity
bfo:BFO_0000001 a owl:Class ;
    rdfs:label "Entity"@en ;
    skos:definition "An entity is anything that exists or has existed or will exist"@en .

2. Systematic Extension​

Each level builds systematically on the previous, maintaining ontological rigor:

  • BFO provides the foundational categories
  • CCO adds common-sense concepts
  • Domain ontologies specify particular domains
  • Application ontologies handle implementation details

3. Process-Centric AI Routing​

The ontology enables intelligent routing based on BFO's process categorization rather than specific AI models.

Modular AI Integration​

Each AI module in the ABI system extends the core ontological framework:

Implementation in ABI​

The Naas Ontology is operationalized through the Agentic Brain Infrastructure (ABI):

Ontology Engineering Agents​

  • OntologyEngineerAgent - BFO expert for ontology development
  • EntitytoSPARQLAgent - Extract entities and generate SPARQL
  • KnowledgeGraphBuilderAgent - Manage knowledge graphs

Processing Infrastructure​

  • Pipelines - SPARQL operations, workflow management
  • Workflows - Complex multi-step processes
  • Validation - Ensure BFO compliance and consistency

Next Steps​

Explore each level of the ontological hierarchy:

  1. Top-Level - Understanding the 7 Buckets framework
  2. Mid-Level - Common Core Ontologies integration
  3. Domain-Level - AI Agent, Organization, and other domains
  4. Application-Level - Foundry integration and data sources
  5. Process-Centric Routing - AI routing based on cognitive processes

The Naas Ontology provides a principled foundation for AI-powered knowledge management, systematically building from formal ontological principles to practical implementation.