Back to Knowledge Graph

Ontologies & Data Model

FIBO financial ontology with ƒxyz extensions. Schema for members, tokens, circles, and Fixie agents.

FIBO Foundation

FIBO provides the standardized foundation for the ƒxyz knowledge graph. Global financial standards compatibility.

Financial Instruments

Standardized definitions for currencies, derivatives, and financial products

Currency classifications
Exchange rate models
Liquidity instruments
Risk parameters

Market Infrastructure

Trading venues, settlement systems, and market data structures

Venue definitions
Settlement mechanisms
Order routing structures
Price discovery

Regulatory Framework

Compliance standards and regulatory entity relationships

KYC/AML standards
Reporting requirements
Jurisdiction mapping
Compliance rules

Legal Entities

Corporate structures and legal relationship definitions

Corporate hierarchies
Ownership structures
Legal jurisdictions
Contractual relationships

Schema Examples

Member Node Schema

{
  "@context": "https://fxyz.network/ontology/member",
  "type": "HumanNode",
  "did": "did:fxyz:1234567890abcdef",
  "memberLevel": "EXPLORER",
  "reputation": {
    "validationScore": 0.87,
    "peerEndorsements": 156,
    "governanceParticipation": 0.92
  },
  "wallets": [
    {
      "blockchain": "solana",
      "address": "7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU",
      "confidentialBalance": "encrypted_amount"
    }
  ],
  "circles": ["dao-core", "validation-committee"],
  "rites": ["kyc-verification", "peer-validation"],
  "temporal": {
    "joinedAt": "2024-01-15T10:30:00Z",
    "lastActivity": "2024-12-20T14:22:15Z",
    "pohTimestamp": "slot:123456789"
  }
}

Transaction Relationship

{
  "@context": "https://fxyz.network/ontology/transaction",
  "type": "FinancialRelationship",
  "source": "member:alice",
  "target": "member:bob",
  "relationship": "CONFIDENTIAL_TRANSFER",
  "amount": {
    "currency": "FLORIN",
    "value": "encrypted_with_elgamal",
    "proof": "zk_proof_hash"
  },
  "temporal": {
    "timestamp": "2024-12-20T14:22:15Z",
    "pohSlot": 123456789,
    "blockHash": "5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d"
  },
  "validation": {
    "fixieValidated": true,
    "peerWitnesses": ["member:charlie", "member:dave"],
    "complianceCheck": "PASSED"
  }
}

RDF & Neo4j Integration

RDF Standards

  • rdflib-neo4j: RDF to Neo4j mapping
  • SPARQL Queries: Standard semantic queries
  • Linked Data: Interoperable data connections
  • Schema Validation: SHACL constraint checking

Neo4j Enhancement

  • Cypher Queries: Graph-native query language
  • Performance Optimization: Native graph algorithms
  • Real-time Updates: Live data synchronization
  • Vector Embeddings: AI/ML integration support

Semantic Interoperability

Ontology-driven data: semantically rich, queryable, compatible with global financial standards.