diff --git a/Project.md b/Project.md new file mode 100644 index 0000000..f70fee0 --- /dev/null +++ b/Project.md @@ -0,0 +1,462 @@ +# OntolEDGY Documentation - DRAFT v.0.1 +## Enterprise Design Graph InterplaY - Formal Specification DRAFT +**Version**: 0.1-draft +**Last Updated**: September 22, 2024 +**Authors**: Intersection Group, Omyn Health +**Methodology**: Maria Keet Standards Compliance (Draft Implementation) +**Status**: **DRAFT - REQUIRES EMPIRICAL VALIDATION** +**License**: Creative Commons BY-SA 4.0 + --- +## DOCUMENT STATUS AND LIMITATIONS +**This is a DRAFT specification that has undergone conceptual analysis but requires empirical validation before production use.** +### What Has Been Done (Verified) +- [x] Structural analysis of TTL syntax and semantics +- [x] Alignment verification with EDGY 23 Language Foundations +- [x] Conceptual consistency checking (manual) +- [x] Competency question design (untested) +- [x] Ontological design pattern analysis +### What Remains To Be Done (Critical) +- [ ] Automated consistency checking with reasoners +- [ ] OOPS! pitfall scanner execution +- [ ] Performance benchmarking with real data +- [ ] Expert domain validation with Intersection core team review +- [ ] Tool compatibility verification +- [ ] SPARQL query execution and validation + --- +## 1. INTRODUCTION AND SCOPE +### 1.1 Purpose +The EDGY ontology provides a formal semantic foundation for the Enterprise Design Graph InterplaY framework. This DRAFT specification outlines the conceptual design and intended formal semantics, pending empirical validation. +### 1.2 Domain and Scope +**Primary Domain**: Enterprise architecture and organizational design +**Application Range**: Commercial enterprises, non-profit organizations, government institutions +**Granularity**: Strategic to operational enterprise levels +**Temporal Scope**: Current state and future state enterprise configurations +**Spatial Scope**: Single organizations to multi-enterprise ecosystems +### 1.3 Intended Users +**Primary Users**: +- Enterprise architects designing organizational structures +- Business analysts modeling enterprise processes +- Organizational designers optimizing enterprise configurations +- Systems thinking practitioners analyzing complex organizations + +**Secondary Users**: +- Tool developers requiring enterprise semantics +- Researchers in organizational theory +- Consultants implementing enterprise transformations + +### 1.4 Ontological Commitments +**Graph Theory Foundation**: Enterprises are modeled as directed graphs where elements (nodes) are connected through relationships (edges) to form analyzable network structures. +**Function Behaviour Structure Alignment**: +- Function: Desired outcomes and purposes (edgy:Purpose, edgy:Outcome) +- Behaviour: Observable activities and processes (edgy:Process, edgy:Activity, edgy:Journey) +- Structure: Physical and organizational objects (edgy:Asset, edgy:Organization, edgy:Product) + +**Three-Relationship Primitive System**: All enterprise relationships derive from three fundamental primitives (link, flow, tree) ensuring consistent semantic modeling. +**Facet-Based Multi-Perspective Modeling**: Three complementary facets (Experience, Architecture, Identity) provide complete enterprise coverage through intersection elements. + --- +## 2. DEVELOPMENT METHODOLOGY +### 2.1 Methodological Approach +**Primary Methodology**: Hybrid macro-level (NeON methodology) and micro-level (OntoClean) development approach following Keet Chapter 5 guidelines. +**Knowledge Engineering Process** (Applied to Date): +- [x] **Requirements Analysis**: EDGY 23 Language Foundations specification analysis +- [x] **Conceptualization**: Graph-theoretic enterprise modeling principles +- [x] **Formalization**: OWL 2 EL ontology implementation (structural) +- [x] **Implementation**: Turtle serialization with formal axioms +- [ ] **Evaluation**: **PENDING** - Requires empirical validation +### 2.2 Knowledge Sources +**Primary Authoritative Sources**: +- [x] EDGY 23: Language Foundations (Intersection Group, 2023) - Analyzed +- [x] Function Behaviour Structure Ontology (Gero, 1990) - Conceptually aligned +- [x] Graph Theory in Enterprise Architecture - Conceptually integrated +**Secondary Supporting Sources**: +- [x] ArchiMate 3.1 Enterprise Architecture Modeling Language - Reviewed +- [x] Systems Thinking in Practice (Checkland, 1999) - Conceptually aligned +- [x] Enterprise Engineering methodologies - Reviewed +**Validation Sources** (**PENDING**): +- [ ] Real-world enterprise case studies +- [ ] Expert domain knowledge validation +- [ ] Tool implementation feedback +### 2.3 Design Principles (Implemented) +- [x] **Principle P1**: **Three-Primitive Constraint**: All object properties must specialize link, flow, or tree primitives ensuring consistent relationship semantics. **Verified structurally** +- [x] **Principle P2**: **Facet Coverage**: Every element must be viewable through at least one facet ensuring complete enterprise perspective coverage. **Implemented axiomatically** +- [x] **Principle P3**: **Graph Connectivity**: All elements must connect to at least one other element preventing isolated nodes in enterprise graphs. **Implemented axiomatically** +- [x] **Principle P4**: **Intersection Formalization**: Cross-facet elements (Organization, Product) must be formally defined as facet intersections using OWL equivalence classes. **Implemented axiomatically** + --- +## 3. COMPETENCY QUESTIONS (DESIGNED - UNTESTED) +**⚠️ These competency questions have been designed based on requirements analysis but have NOT been empirically tested with real data or SPARQL execution.** +### 3.1 Structural Analysis Questions +**CQ1**: "What capabilities does an organization possess to enable specific processes?" +``` +PREFIX edgy: +SELECT ?org ?capability ?process WHERE { + ?org a edgy:Organization ; + edgy:possesses ?capability . + ?process a edgy:Process ; + edgy:requires ?capability . +} + +``` +- [ ] **Status**: **UNTESTED** - Requires SPARQL endpoint and test data +**CQ2**: "Which products serve customer tasks within user journeys?" +``` +PREFIX edgy: +SELECT ?product ?task ?journey WHERE { + ?journey a edgy:Journey . + ?task edgy:marksa ?journey . + ?product edgy:serves ?task . +} + +``` +- [ ] **Status**: **UNTESTED** - Requires SPARQL endpoint and test data +**CQ3**: "What assets are required by capabilities to deliver specific products?" +``` +PREFIX edgy: +SELECT ?asset ?capability ?product WHERE { + ?capability edgy:requires ?asset . + ?process edgy:realizes ?capability ; + edgy:delivers ?product . +} + +``` +- [ ] **Status**: **UNTESTED** - Requires SPARQL endpoint and test data +### 3.2 Dynamic Flow Analysis Questions +**CQ4**: "How do brand representations propagate through organizational purposes?" +``` +PREFIX edgy: +SELECT ?brand ?purpose ?element WHERE { + ?brand edgy:represents ?purpose . + ?element edgy:pursues ?purpose . +} + +``` +- [ ] **Status**: **UNTESTED** - Requires SPARQL endpoint and test data +### 3.3 Cross-Facet InterplaY Questions +**CQ5**: "Which elements operate at the intersection of multiple facets?" +``` +PREFIX edgy: +SELECT ?element ?facet1 ?facet2 WHERE { + ?element edgy:viewedThrough ?facet1, ?facet2 . + FILTER(?facet1 != ?facet2) +} + +``` +- [ ] **Status**: **UNTESTED** - Requires SPARQL endpoint and test data + --- +## 4. CONCEPTUAL ARCHITECTURE (VERIFIED) +### 4.1 Core Class Hierarchy +``` +EDGY Enterprise Elements: +edgy:Element (abstract base class) +├── edgy:Object (concrete physical/digital entities) +│ ├── edgy:Asset (capabilities-enabling resources) +│ ├── edgy:Content (story-conveying information) +│ ├── edgy:Organization (people working together) [Architecture ∩ Identity] +│ ├── edgy:People (individual stakeholders) +│ └── edgy:Product (customer-serving offerings) [Architecture ∩ Experience] +├── edgy:Activity (dynamic behaviors) +│ ├── edgy:Journey (stakeholder experience sequences) [Experience] +│ ├── edgy:Process (capability-realizing procedures) [Architecture] +│ └── edgy:Task (people-accomplished goals) +├── edgy:Brand (market-facing identity representation) [Identity] +├── edgy:Capability (process-enabling organizational abilities) [Architecture] +├── edgy:Channel (experience-delivering touchpoints) [Experience] +├── edgy:Outcome (achievement-targeted results) +│ └── edgy:Purpose (enterprise existence-justifying reasons) +└── edgy:Story (meaning-conveying narratives) [Identity] + +``` +- [x] **Verification Status**: **Structurally verified** against EDGY 23 specification +### 4.2 Relationship Architecture (Verified) +**Three Primitive Relationships**: +**edgy:link** (Structural Association): +- **Domain/Range**: owl:Thing → owl:Thing +- **Characteristics**: Symmetric by default, can be asymmetric in specializations +- **Purpose**: Static structural relationships between enterprise elements + +**edgy:flow** (Dynamic Sequence): +- **Domain/Range**: owl:Thing → owl:Thing +- **Characteristics**: AsymmetricProperty (directional behavioral flows) +- **Purpose**: Dynamic behavioral sequences and object passing between elements + +**edgy:tree** (Hierarchical Containment): +- **Domain/Range**: owl:Thing → owl:Thing +- **Characteristics**: IrreflexiveProperty, AsymmetricProperty +- **Purpose**: Hierarchical containment and aggregation between same-type elements + +- [x] **Verification Status**: **Structurally implemented** - All 21 domain-specific properties inherit from these primitives +### 4.3 Facet System Architecture (Verified) +**Three EDGY Facets**: +**edgy:ExperienceFacet**: People-centric perspective +- **Primary Elements**: Journey, Channel, Task +- **Focus**: Stakeholder interactions and experience optimization + +**edgy:ArchitectureFacet**: Structure-centric perspective +- **Primary Elements**: Process, Capability, Asset +- **Focus**: Organizational structures and operational capabilities + +**edgy:IdentityFacet**: Meaning-centric perspective +- **Primary Elements**: Story, Brand, Purpose +- **Focus**: Organizational meaning and stakeholder perception + +**Intersection Elements**: +- **Organization** = ArchitectureFacet ∩ IdentityFacet +- **Product** = ArchitectureFacet ∩ ExperienceFacet + +- [x] **Verification Status**: **Axiomatically implemented** using OWL equivalence classes + --- +## 5. FORMAL AXIOMS AND CONSTRAINTS (IMPLEMENTED - UNTESTED) +- [x] ** Status: These axioms have been implemented in OWL ** +- [ ] **Status: have NOT been tested with automated reasoners.** +### 5.1 Graph Connectivity Axioms +**Axiom GC1**: Element Connectivity Requirement +``` +edgy:Element rdfs:subClassOf + [ rdf:type owl:Restriction ; + owl:onProperty [ owl:unionOf (edgy:link edgy:flow edgy:tree) ] ; + owl:minCardinality 1 ] . + +``` +- [x] **Status**: **Implemented** +- [ ] Status: **Untested with reasoners** +### 5.2 Facet System Axioms +**Axiom FS1**: Universal Facet Coverage +``` +edgy:Element rdfs:subClassOf + [ rdf:type owl:Restriction ; + owl:onProperty edgy:viewedThrough ; + owl:minCardinality 1 ] . + +``` +**Axiom FS2**: Organization Intersection Definition +``` +edgy:Organization owl:equivalentClass + [ owl:intersectionOf ( + [ rdf:type owl:Restriction ; + owl:onProperty edgy:viewedThrough ; + owl:hasValue edgy:ArchitectureFacet ] + [ rdf:type owl:Restriction ; + owl:onProperty edgy:viewedThrough ; + owl:hasValue edgy:IdentityFacet ] + ) ] . + +``` +- [x] **Status**: **Implemented** +- [ ] Status: **Untested with reasoners** +### 5.3 Domain-Specific Constraints +**Constraint DS1**: Organization Capability Requirement +``` +edgy:Organization rdfs:subClassOf + [ rdf:type owl:Restriction ; + owl:onProperty edgy:possesses ; + owl:minCardinality 1 ] . + +``` +- [x] **Status**: **Implemented** +- [ ] **Status: Requires validation with test data** + --- +## 6. VALIDATION AND QUALITY ASSURANCE - CURRENT STATUS +### 6.1 Completed Validations +- [x] **Status: Structural Consistency. V**alidated +  - Manual syntax checking completed +  - EDGY 23 specification alignment verified +  - Relationship hierarchy consistency confirmed +  - Axiom syntax validation completed +- [x] **Status: Conceptual Coherence** - Validated +  - OntoClean principles applied (theoretical analysis) +  - FBS ontology alignment verified conceptually +  - Facet system completeness confirmed structurally +### 6.2 PENDING Critical Validations +- [ ] **Status: Logical Consistency** - **REQUIRED**: +``` +# TESTS TO BE PERFORMED +hermit -c edgy.ttl # Consistency checking +pellet consistency edgy.ttl # Alternative reasoner validation +elk-reasoner edgy.ttl # EL reasoning validation + +``` +- [ ] **Status: Automated Pitfall Detection** - **REQUIRED**: +``` +# OOPS! Scanner execution needed +# Upload to: http://oops.linkeddata.es/ +# Expected pitfalls to investigate based on structural analysis + +``` +- [ ] **Status: Performance Benchmarking** - **REQUIRE:** +``` +# Scalability tests needed +# Generate enterprise graphs: 100, 1K, 10K elements +# Measure reasoning time and memory consumption +# Validate query response times + +``` +### 6.3 Placeholder Quality Metrics (TO BE VERIFIED) +**The following metrics are ESTIMATES based on structural analysis and require empirical validation**: +| Metric Category | Estimated Value | Confidence Level | ❌ Validation Required | +|:-----------------------------|:-------------------|:-----------------|:------------------------| +| Logical Consistency | Likely Consistent | Medium | Reasoner execution | +| OOPS! Score | 7-9/10 (estimated) | Low | ❌ Automated scanning | +| Competency Question Coverage | 100% (designed) | Medium | SPARQL execution | +| Reasoning Performance | Unknown | None | Benchmarking | +| Memory Requirements | Unknown | None | Load testing | + + --- +## 7. USAGE GUIDELINES AND PATTERNS (DESIGNED - UNTESTED) +### 7.1 Basic Enterprise Modeling Patterns +**Pattern 1**: Organizational Capability Model +``` +:acmeCorp a edgy:Organization ; + edgy:possesses :salesCapability, :developmentCapability ; + edgy:makes :softwareProduct ; + edgy:builds :acmeBrand . + +:salesProcess a edgy:Process ; + edgy:realizes :salesCapability ; + edgy:delivers :softwareProduct ; + edgy:requires :salesAsset . + +``` +- [x] **Status** **Syntactically valid** +- [ ] Status: **Untested with real data** + +**Pattern 2**: Customer Journey Mapping +``` +:customerJourney a edgy:Journey ; + edgy:traverses :webChannel, :storeChannel ; + edgy:viewedThrough edgy:ExperienceFacet . + +:purchaseTask a edgy:Task ; + edgy:marksa :customerJourney . + +:softwareProduct edgy:serves :purchaseTask ; + edgy:featuresIn :customerJourney . + +``` +- [x] **Status: C**once**ptually sound ** +- [ ] **Requires validation in tools** + --- +## 8. REQUIRED VALIDATION ROADMAP +### Phase 1: Automated Validation (IMMEDIATE - 1-2 weeks) +**Critical Tests**: +1. **Reasoner Consistency Checking** + - Execute HermiT, Pellet, ELK reasoners + - Verify no logical contradictions + - Document any inconsistencies found +2. **OOPS! Pitfall Analysis** + - Upload ontology to automated scanner + - Analyze detected pitfalls + - Prioritize and address critical issues +3. **Basic SPARQL Query Testing** + - Set up triple store with ontology + - Execute all competency question queries + - Verify syntactic correctness + +### Phase 2: Performance Validation +**Scalability Tests**: +1. **Load Testing** + - Generate synthetic enterprise data (100, 1K, 10K elements) + - Measure classification time and memory usage + - Document performance characteristics +2. **Query Performance** + - Benchmark competency question response times + - Test complex graph traversal queries + - Identify optimization requirements + +### Phase 3: Domain Expert Validation +**Expert Review**: +1. **Ontological Review** + - Independent ontologist validation + - OntoClean methodology peer review + - Conceptual coherence assessment +2. **Domain Expert Review** + - Enterprise architect practitioner feedback + - Real-world use case validation + - Alignment with enterprise design practice + +### Phase 4: Tool Integration Testing +**Ecosystem Validation**: +1. **Tool Compatibility** + - Protégé import/export testing + - SPARQL endpoint deployment + - Visualization tool integration +2. **Real-World Pilot** + - Small enterprise modeling pilot project + - Practitioner usability assessment + - Documentation refinement + --- + +## 9. STANDARDS COMPLIANCE AND INTEROPERABILITY +### 9.1 W3C Standards Compliance +**OWL 2 Compliance**: +- [x] **Status: Structurally implemented** +- [ ] **Status: Untested with validators** +  - **OWL 2 EL Profile**: Designed for but requires validation +  - **RDF(S) Compatibility**: Implemented but untested +  - **SPARQL Support**: Designed for but requires testing +**Metadata Standards**: +- [x] **Status: Implemented** +  - **Dublin Core Terms**: Complete metadata using DC Terms vocabulary +  - **SKOS Core**: Selected integration (edgy:Purpose) +### 9.2 Enterprise Architecture Standards (THEORETICAL) +- [ ] **ArchiMate 3.1 Alignment**: **REQUIRES FORMAL MAPPING VALIDATION** +  - Conceptual alignment identified +  - Formal transformation rules needed +  - Tool interoperability testing required +- [ ] **BPMN 2.0 Integration**: **REQUIRES VALIDATION** +  - Process elements theoretically compatible +  - Mapping validation needed + --- +## 10. KNOWN LIMITATIONS AND RISKS +### 10.1 Technical Risks +**Reasoning Performance**: Untested axiom complexity may cause performance issues with large enterprise models. +**Tool Compatibility**: Complex OWL constructs may not be supported by all enterprise architecture tools. +**Scalability**: Graph connectivity constraints may not scale to enterprise-wide models. +### 10.2 Methodological Limitations +**Expert Validation Gap**: Ontology has not been reviewed by independent domain experts. +**Real-World Testing Gap**: No validation with actual enterprise data or use cases. +**User Acceptance Unknown**: Accessibility to target user community unverified. +### 10.3 Conceptual Risks +**Over-Engineering**: Formal axioms may be unnecessarily complex for practical enterprise design. +**Philosophical Tensions**: Graph-theoretic approach may conflict with traditional enterprise architecture thinking. + --- +## 11. CONCLUSION AND NEXT STEPS +### 11.1 Current Status +This DRAFT specification provides a solid conceptual foundation for the EDGY ontology with: +- Complete structural implementation +- EDGY 23 specification alignment +- Formal axiomatization (untested) +- Methodological rigor (theoretical) + +### 11.2 Critical Next Steps +**Before Production Use**: +1. Complete automated validation suite (Phase 1) +2. Perform scalability and performance testing (Phase 2) +3. Obtain independent expert validation (Phase 3) +4. Conduct real-world pilot testing (Phase 4) + +### 11.3 Expected Timeline +**Validation Complete**: 3-6 months +**Production Ready**: 6-12 months +**Community Adoption**: 12-24 months + --- +## 12. REFERENCES +### 12.1 Primary Sources +1. Intersection Group. "EDGY 23: Language Foundations." Open Source Enterprise Design Framework, 2023. +2. Gero, J.S. "Design prototypes: a knowledge representation schema for design." AI Magazine, vol. 11, no. 4, pp. 26-36, 1990. +3. Keet, C. Maria. "An Introduction to Ontology Engineering." College Publications, London, 2018. + +### 12.2 Standards and Specifications +1. W3C OWL Working Group. "OWL 2 Web Ontology Language Document Overview (Second Edition)." W3C Recommendation, December 2012. +2. The Open Group. "ArchiMate 3.1 Specification." The Open Group Standard, 2019. + +### 12.3 Methodological References +1. Suárez-Figueroa, M.C., Gómez-Pérez, A., Fernández-López, M. "The NeON Methodology framework: A scenario-based methodology for ontology development." Applied Ontology, vol. 10, no. 2, pp. 107-145, 2015. +2. Poveda-Villalón, M., Gómez-Pérez, A., Suárez-Figueroa, M.C. "OOPS! (OntOlogy Pitfall Scanner!): An On-line Tool for Ontology Validation." International Journal on Semantic Web and Information Systems, vol. 10, no. 2, pp. 7-34, 2014. + --- + +**Document Status**: **DRAFT SPECIFICATION** +**Validation Status**: **STRUCTURAL ANALYSIS COMPLETE - EMPIRICAL VALIDATION PENDING** +**Production Readiness**: **NOT READY - VALIDATION REQUIRED** +**Contact**: sacha@omyn.ai +**Repository**: https://gitea/omyn.ai/schema/ontolEDGY-draft + +**⚠️ DISCLAIMER**: This ontology specification is a draft that requires comprehensive validation before production deployment. Use at your own risk for experimental purposes only.