Hero AI Intelligence

Ero Copper enterprise knowledge graph — OWL 2 DL ontology grounded in BFO 2020 + CCO + IOF, covering 21 mining domains across 4 sites.

v4.1 CANONICAL • 2026-05-20 • 21/21 IDV validated • 100% pattern compliance
9,661
OWL Classes
15,210
Object Properties
4,214
Datatype Properties
4,003
Causal Chains
21
Mining Domains
100%
§47 + §54 Coverage

Browse the Ontology

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Encyclopedia
Full searchable catalog of 9,661 classes across 21 domains. Bilingual labels (en-US/pt-BR), definitions, OntoClean metadata, parent/child navigation.
Browse classes →
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Live Graph
Interactive force-directed visualization of the ontology hierarchy. Click any node to drill into details. Filter by domain, rigidity, or pattern.
Explore graph →
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Widoco Documentation
Formal W3C-style ontology documentation generated by Widoco. Includes WebVOWL visualization, full TBox cross-reference, and serializations.
Open Widoco →
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Campaign Closures
Documentation of all 15 build waves, SME decisions, and the meaning-first protocol that produced this ontology.
View closures →

21 Mining Domains

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Compliance & Standards DEFENSIBLE

  • BFO 2020 (Basic Formal Ontology)
  • CCO (Common Core Ontologies)
  • IOF (Industrial Ontology Foundry)
  • OWL 2 DL conformance
  • OntoClean (Welty & Guarino 2001)
  • SKOS bilingual (en-US / pt-BR)
  • ISO/IEC 42001 AI Management
  • LGPD Art. 20 XAI explicability
  • SOX 404 axiom-level traceability
  • TSX / NYSE dual listing disclosure
  • Gartner XAI 2025 framework
  • v4.1 Hero ontology standard

Operating Sites

Caraíba
3 underground mines (Pilar, Surubim, Vermelhos) + concentrator at Pilar (Bahia, BR)
Tucumã
Open-pit copper, commercial operations (Pará, BR)
Xavantina
Underground gold, Santo Antônio vein (Mato Grosso, BR)
Furnas
Copper-gold project, Carajás (Pará, BR)