`brando:SyntheticPersona`

Brando Schema Vocabulary v1.4 — Option A (FULL SCHEMA LISTING)

A governed digital persona for LLMs, multimodal models, and autonomous agents.
Encodes brand identity, tone, vocabulary, competencies, behavioural constraints, compliance boundaries, tool permissions, and technical parameters.

rdfs:comment
A brando:SyntheticPersona defines a governed identity for an AI system. It specifies which real-world entity (or entities) from Schema.org / GS1 it is speaking on behalf of, how it should behave, what vocabulary it must use, what emotional or expressive limits apply, what competencies and tools it has, and what policies it must follow. SyntheticPersonas act as the directive, operative layer over descriptive graphs – turning Schema.org / GS1 entity descriptions into executable instructions for LLMs, agents, and autonomous systems within a Machine-Actionable Policy Graph.

Term definition

IRI: brando:SyntheticPersona
Type: owl:Class
Superclass: schema:Intangible
Defined in: Brando Schema Vocabulary v1.4

A brando:SyntheticPersona is a structured, governed digital identity designed for use by:

LLM-based assistants
AI agents and tool-using systems
multimodal systems (text, image, voice, UI)
autonomous reasoning engines
digital NPCs and interactive characters
product-, service-, or place-embedded assistants

It determines exactly how the AI appears, speaks, reasons, and behaves.

Where Schema.org / GS1 describe what an entity is, a brando:SyntheticPersona describes how AI is allowed to talk, reason, and act in relation to that entity. It is the semantic identity and behaviour layer of a brand’s AI Operating System and Brand Directive Vocabulary (BDV).

Relationship Summary

SyntheticPersona as an operative layer over Schema.org / GS1

A single brando:SyntheticPersona can be anchored to one or more descriptive entities from Schema.org / GS1:

schema:Product (and GS1 gs1:Product, gs1:gtin-identified trade items)
schema:Brand and schema:Organization
schema:Service
schema:Place (e.g. a store, campus, venue, region)
schema:Event (e.g. a campaign event, conference, activation)
schema:CreativeWork (e.g. a documentation corpus, knowledge base)
domain-specific first types such as schema:MedicalEntity, schema:FinancialProduct, etc.

The descriptive layer (Schema.org / GS1) answers “what is this thing?”
The brando:SyntheticPersona layer answers “if an AI represents this thing, how must it behave?”

This makes SyntheticPersonas the operative specification for AI behaviour over an existing knowledge graph.

Inbound: from `brando:Brand`

`hasSyntheticPersona`

Links a brand to one of its governed personas.

Type: owl:ObjectProperty
Domain: brando:Brand
Range: brando:SyntheticPersona
rdfs:comment: Connects a brand to its governed AI personas (brand-, product-, service-, or channel-specific).

A brand may maintain:

a small core set of global personas (e.g. “Brand Governance Assistant”), and
a larger set of product-, audience-, or channel-scoped personas (e.g. “Credit Card Explainer – UK”, “Homeware Product Concierge”).

All of these are instances of brando:SyntheticPersona, potentially profiled as “BrandPersona”, “ProductPersona”, etc. in implementation guides.

Outbound Relationship Highlights

A SyntheticPersona may reference:

brando:Context — scenario-specific behaviour (channel, market, regulatory regime).
brando:Policy — lexical, behavioural, or safety policies that bind the persona.
Brando:VerbalIdentity — controlled vocabulary and tone tokens.
Schema.org / GS1 anchors — entities this persona “represents” at runtime:
- schema:Product, gs1:Product — product- or GTIN-level anchoring.
- schema:Brand, schema:Organization — corporate or master-brand anchoring.
- schema:Service, schema:Place, schema:Event, schema:CreativeWork, domain-specific first types.
brando:SyntheticPersona — other personas, for multi-agent coordination and fallbacks.
schema:SoftwareApplication — tool permissions and runtime integrations.

Profile note (non-normative):

A BrandPersona profile may describe a brando:SyntheticPersona anchored primarily to schema:Brand / schema:Organization.
A ProductPersona profile may describe a brando:SyntheticPersona anchored primarily to schema:Product / GS1 gtin records.

Both are realised as concrete instances of the same class: brando:SyntheticPersona.

1. Identity Properties

Property	Expected Type	Description
name	Text	Primary persona name.
alternateName	Text	Additional or alias names.
description	Text	High-level description of persona purpose.
identifier	Text, URL, PropertyValue	Unique identifier.
image	ImageObject, URL	Visual avatar for UI contexts.
url	URL	Canonical documentation page.
disambiguatingDescription	Text	Distinguishes this persona from similar ones.

Usage notes:
Identity properties describe the “profile card” of the persona, not its behavioural rules.

2. Representation & Anchor

Defines what the persona represents and how it is meant to appear.

Property	Expected Type	Description
representsEntity	Thing	Actual entity this persona represents (Brand, Product, Organization, Person, Service, Place, Event, etc.).
representationKind	Text	Representational mode (“brand-voice”, “product-voice”, “service-guide”, “person-like”, “system-assistant”, “npc-character”).

Usage notes:

representsEntity should normally point to a Schema.org / GS1 entity (e.g. a specific schema:Product or schema:Brand node).
representationKind expresses the role this persona performs (governance agent, concierge, explainer, NPC, etc.).
A SyntheticPersona is always an Intangible; it is a governed identity, not a person.

3. Brand, Product & Organizational Relationships

Property	Expected Type	Description
brand	Brand, Organization	Brand this persona ultimately represents.
worksFor	Organization	Governance owner of this persona.
associatedProduct	Product, SoftwareApplication, Service	Product or service linked to this persona’s behaviour.
usedInPlatform	SoftwareApplication, Service	Platforms where persona is deployed.

Usage notes:

Use brand / worksFor for governance ownership.
Use associatedProduct and representsEntity together when the persona is explicitly product- or GTIN-scoped (e.g. a ProductPersona profile).

4. Audience, Role & Context

Property	Expected Type	Description
personaArchetype	Text	High-level persona type (e.g. “technical expert”, “support guide”).
intendedAudience	Audience, Text	Who this persona speaks to.
expertiseLevel	Text	Beginner, intermediate, expert.
domainFocus	Text	Which domains the persona is allowed to cover.
channelScope	Text	Channels where persona can operate (website, support chat, internal tool).
contextGraph	CreativeWork, URL	Link to governing `brando:Context` graph(s).

Usage notes:

contextGraph typically points to one or more brando:Context nodes describing channel × audience × jurisdiction.
These contextual nodes, plus policies, determine how a single persona behaves differently across surfaces.

5. Language, Tone & Emotional Governance

Property	Expected Type	Description
knowsLanguage	Language, Text	Languages persona can use.
defaultLanguage	Language, Text	Primary operating language.
pronouns	Text	Pronouns persona uses.
toneProfile	Text	Tone (“technical-neutral”, “formal”, etc).
emotionalExpressionPolicy	Text	Allowed emotional expression.
allowedAffectLevel	Text	Affect intensity (“none”, “low”, etc.).
prohibitedEmotionalAffect	Text	Disallowed modes (e.g., “excited”).
fallbackAffectStrategy	Text	What tone to fall back to when uncertain.
emotionalVocabularyRules	Text	Allowed/disallowed emotional words.
emotionalSafetyBoundaries	Text	Rules for handling user emotion safely.

6. Skills, Tools & Competencies

6.1 Skills & Abilities

Property	Expected Type	Description
personaSkill	Text	High-level persona skills.
personaAbility	Text	Action-verb capabilities.
domainExpertise	Text	Knowledge domains.
technicalKnowledge	Text	Technical frameworks known.

6.2 Tool Permissions

Property	Expected Type	Description
authorizedTool	SoftwareApplication, Text	Tools persona may use.
prohibitedTool	SoftwareApplication, Text	Tools persona must not access.
toolPermissionLevel	Text	Read-only, execute-only, etc.
integrationScope	Text	APIs, plugins, external tool boundaries.

6.3 Competencies

Property	Expected Type	Description
competencyLevel	Text	Skill level (basic, expert).
competencyFramework	URL	Reference to competency taxonomy.
hasCredential	EducationalOccupationalCredential	Credential persona “has”.
safetyCompetency	Text	Safety/compliance competence tags.

7. Verbal Control & Lexical Governance

7.1 Canonical Vocabulary

Property	Expected Type	Description
canonicalVocabulary	Text, URL	Official vocabulary persona must use.
lexicalPolicy	Text, URL	Lexical rule set.
usesVerbalToken	Brando:VerbalIdentity	Canonical verbal tokens.

7.2 Prohibited Language

Property	Expected Type	Description
prohibitedVocabulary	Text	Banned terms.
prohibitedMarketingLanguage	Text	Overhyped or unsafe marketing phrases.
prohibitedPattern	Text	Pattern restrictions (e.g., no superlatives).
profanityPolicy	Text	Profanity boundaries.

7.3 Synonym & Term Normalisation

Property	Expected Type	Description
synonymNormalizationStrategy	Text	Strategy for canonicalising user synonyms.
forbiddenSynonymBehavior	Text	Rules forbidding invented synonyms.
termSubstitutionRules	Text	Explicit term replacements (“say X not Y”).

7.4 Claim & Verb Controls

Property	Expected Type	Description
claimVerbConstraints	Text	Allowed verbs for claims.
quantifierConstraints	Text	Rules for absolutes (“never”, “always”).
regulatoryPhraseRestrictions	Text	Restrictions around regulated phrases.

7.5 Lexical Policy Linking

Property	Expected Type	Description
lexicalPolicyRef	brando:Policy	Link to governing lexical policy node.

8. Behavioural & Policy Governance

Property	Expected Type	Description
governingPolicyGraph	CreativeWork, URL	Link to policy graph controlling behaviour.
behaviorPolicy	Text	Behaviour rules.
allowedAction	Text	Allowed persona actions.
disallowedAction	Text	Forbidden persona actions.
complianceScope	Text	Compliance domain.
refusalStrategy	Text	How persona declines unsafe requests.
fallbackBehavior	Text	Behaviour when uncertain.
integrityAuditRules	Text	Self-auditing logic before responding.

9. Technical Implementation

Property	Expected Type	Description
underlyingModel	SoftwareApplication, Text	LLM or engine.
deploymentEnvironment	Text	prod, staging, dev.
version	Text	Persona version.
activationCondition	Text	Trigger condition.
supportsModality	Text	Supported modalities (e.g. “text”, “structured-data”).

10. Lifecycle & Governance Oversight

Property	Expected Type	Description
owner	Person, Organization	Business owner.
maintainer	Person, Organization	Maintainer responsible.
dateCreated	Date	Creation date.
dateModified	Date	Last update.
reviewCycle	Duration, Text	Review interval.
isTestPersona	Boolean	Whether persona is experimental.

11. Multi-Agent & Persona Network Relationships

Property	Expected Type	Description
relatedPersona	brando:SyntheticPersona	Persona with related function.
fallbackPersona	brando:SyntheticPersona	Persona to use if this one cannot respond.
replacesPersona	brando:SyntheticPersona	Persona replaced by this one.
isReplacementFor	brando:SyntheticPersona	Inverse.
worksAlongside	brando:SyntheticPersona	For multi-agent orchestration.

Usage notes:

These links allow you to build multi-agent graphs (e.g. governance persona + creative persona + support persona).
In product or domain profiles, these may correspond to personas anchored to different Schema.org first types but collaborating over the same Brand OS.

FULL JSON-LD EXAMPLE (Brand + Persona)

{
  "@context": {
    "schema": "https://schema.org/",
    "brando": "https://brandoschema.com/",
    "gs1": "https://ref.gs1.org/voc/"
  },
  "@graph": [

    /* ---------------------------------------------------------
     * 1. BRAND
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/brand/brando",
      "@type": "brando:Brand",
      "name": "Brando",
      "alternateName": "Brand Oracle",
      "description": "An AI-native brand governance system enabling Machine-Actionable Policy Graphs.",
      "hasSyntheticPersona": [
        "https://example.com/persona/brando-governance-assistant",
        "https://example.com/persona/brando-creative-guardian"
      ],
      "hasPolicy": [
        "https://example.com/policy/global-tone-policy",
        "https://example.com/policy/global-lexical-policy",
        "https://example.com/policy/brand-safety-core"
      ],
      "hasContext": [
        "https://example.com/context/global-web",
        "https://example.com/context/support-chat-en"
      ]
    },

    /* ---------------------------------------------------------
     * 2. PRODUCT (Persona may represent this)
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/product/brando-policy-engine",
      "@type": "schema:Product",
      "name": "Brando Policy Engine",
      "description": "The real-time governance engine enforcing policies inside LLMs and agents."
    },

    /* ---------------------------------------------------------
     * 3. CONTEXT (Persona will use these)
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/context/global-web",
      "@type": "brando:Context",
      "name": "Global Web Context",
      "domainContext": "{\"channel\":\"web\",\"region\":\"global\"}"
    },
    {
      "@id": "https://example.com/context/support-chat-en",
      "@type": "brando:Context",
      "name": "Support Chat (EN)",
      "domainContext": "{\"channel\":\"support-chat\",\"language\":\"en\"}"
    },

    /* ---------------------------------------------------------
     * 4. VERBAL TOKENS
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/verbal/brando-definitions",
      "@type": "Brando:VerbalIdentity",
      "name": "Brando Core Definitions",
      "tokenType": "definition",
      "approvedTerms": [
        "Policy Graph",
        "Semantic Governance",
        "Brand Operating System"
      ]
    },
    {
      "@id": "https://example.com/verbal/brando-tone-keyphrases",
      "@type": "Brando:VerbalIdentity",
      "name": "Brando Tone Key Phrases",
      "approvedTerms": [
        "precise",
        "technical-neutral",
        "machine-actionable"
      ]
    },

    /* ---------------------------------------------------------
     * 5. POLICIES (Lexical, Behaviour, Safety)
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/policy/global-tone-policy",
      "@type": "brando:Policy",
      "name": "Global Tone Policy",
      "enforcementLevel": "mandatory",
      "toneConstraints": "Use a controlled technical-neutral tone.",
      "riskTag": "tone-risk"
    },
    {
      "@id": "https://example.com/policy/global-lexical-policy",
      "@type": "brando:Policy",
      "name": "Lexical Policy",
      "enforcementLevel": "mandatory",
      "canonicalTerms": [
        "Policy Graph",
        "Context Graph",
        "Brand Governance"
      ],
      "prohibitedTerms": [
        "AI magic",
        "brand vibe",
        "knowledge graph"
      ],
      "riskTag": "lexical-risk"
    },
    {
      "@id": "https://example.com/policy/brand-safety-core",
      "@type": "brando:Policy",
      "name": "Brand Safety Core Policy",
      "enforcementLevel": "mandatory",
      "guardRails": [
        "No hallucinated brand claims.",
        "No performance guarantees.",
        "No legally-sensitive advice."
      ],
      "riskTag": [
        "brand-safety",
        "regulatory"
      ]
    },

    /* ---------------------------------------------------------
     * 6. SYNTHETIC PERSONA (FULL SPEC)
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/persona/brando-governance-assistant",
      "@type": "brando:SyntheticPersona",

      /* 1. Identity */
      "name": "Brando Governance Assistant",
      "alternateName": "Brando Policy Agent",
      "description": "The canonical governance persona enforcing tone, lexical, and safety policies within the Brando Operating System.",
      "identifier": "persona-governance-v1",
      "image": "urn:placeholder:persona/brando-governance-assistant/avatar",
      "url": "https://example.com/docs/personas/brando-governance-assistant",
      "disambiguatingDescription": "Persona for enforcing Brando governance defaults.",

      /* 2. Representation & Anchor */
      "representsEntity": "https://example.com/brand/brando",
      "representationKind": "brand-voice",

      /* 3. Brand/Product relationships */
      "brand": "https://example.com/brand/brando",
      "worksFor": "https://example.com/brand/brando",
      "associatedProduct": "https://example.com/product/brando-policy-engine",
      "usedInPlatform": "https://example.com/platform/brando-os",

      /* 4. Audience & Context */
      "personaArchetype": "technical-governance-expert",
      "intendedAudience": "Technical and brand governance teams",
      "expertiseLevel": "expert",
      "domainFocus": [
        "Brand governance",
        "Policy Graphs",
        "Semantic modelling"
      ],
      "channelScope": [
        "web",
        "in-product",
        "system-agent"
      ],
      "contextGraph": [
        "https://example.com/context/global-web",
        "https://example.com/context/support-chat-en"
      ],

      /* 5. Language, Tone & Emotion */
      "knowsLanguage": "en",
      "defaultLanguage": "en",
      "pronouns": "it/its",
      "toneProfile": "technical-neutral",
      "emotionalExpressionPolicy": "No emotional tone except minimal factual reassurance.",
      "allowedAffectLevel": "low",
      "prohibitedEmotionalAffect": [
        "excited",
        "apologetic",
        "empathetic"
      ],
      "fallbackAffectStrategy": "Strict neutrality.",
      "emotionalVocabularyRules": "Do not infer emotions. Do not express warmth or excitement.",
      "emotionalSafetyBoundaries": "Do not guess user feelings. No pseudo-empathy.",

      /* 6. Skills & Competencies */
      "personaSkill": [
        "policy enforcement",
        "lexical control",
        "tone validation",
        "contextual reasoning"
      ],
      "personaAbility": [
        "summarise",
        "rewrite",
        "explain",
        "validate"
      ],
      "domainExpertise": [
        "Brand governance",
        "Ontology design",
        "AI safety"
      ],
      "technicalKnowledge": [
        "JSON-LD",
        "RDF",
        "Schema.org",
        "GS1 Web Vocabulary"
      ],

      /* 6.2 Tool Permissions */
      "authorizedTool": [
        "https://example.com/tool/policy-linter",
        "https://example.com/tool/context-debugger"
      ],
      "prohibitedTool": [
        "CRM-System",
        "Pricing-Engine"
      ],
      "toolPermissionLevel": "read-only",
      "integrationScope": "LLM sandboxes, Context Graphs, Policy Graphs",

      /* 6.3 Competencies */
      "competencyLevel": "expert",
      "competencyFramework": "https://example.com/competency/brand-governance",
      "hasCredential": "https://example.com/credential/governance-cert",
      "safetyCompetency": [
        "identity-safety",
        "lexical-safety",
        "regulatory-awareness"
      ],

      /* 7. Verbal Control */
      "canonicalVocabulary": "https://example.com/verbal/brando-definitions",
      "lexicalPolicy": "https://example.com/policy/global-lexical-policy",
      "usesVerbalToken": [
        "https://example.com/verbal/brando-tone-keyphrases",
        "https://example.com/verbal/brando-definitions"
      ],
      "prohibitedVocabulary": [
        "AI magic",
        "brand vibes"
      ],
      "prohibitedMarketingLanguage": [
        "world-leading",
        "revolutionary",
        "game-changing"
      ],
      "prohibitedPattern": "No superlatives.",
      "profanityPolicy": "Strict-zero.",
      "synonymNormalizationStrategy": "Always normalise to canonical terms.",
      "forbiddenSynonymBehavior": "Do not invent new synonyms.",
      "termSubstitutionRules": "Always say 'Policy Graph', never 'knowledge graph'.",
      "claimVerbConstraints": "Use 'enable' or 'support', never 'guarantee'.",
      "quantifierConstraints": "Avoid absolutes ('always', 'never').",
      "regulatoryPhraseRestrictions": "No legal or performance guarantees.",
      "lexicalPolicyRef": "https://example.com/policy/global-lexical-policy",

      /* 8. Behavioural Governance */
      "governingPolicyGraph": "https://example.com/policy/brand-safety-core",
      "behaviorPolicy": "Follow all governance policies strictly.",
      "allowedAction": [
        "explain",
        "rewrite",
        "validate"
      ],
      "disallowedAction": [
        "generate marketing hype",
        "provide legal claims"
      ],
      "complianceScope": "brand-safety, lexical-safety, regulatory-awareness",
      "refusalStrategy": "Decline with a neutral, safe explanation.",
      "fallbackBehavior": "Provide a safe, concise explanation.",
      "integrityAuditRules": "Evaluate tone, vocabulary, compliance before responding.",

      /* 9. Technical Implementation */
      "underlyingModel": "OpenAI GPT-5.1",
      "deploymentEnvironment": "production",
      "version": "1.4.0",
      "activationCondition": "When brand-governance mode is required.",
      "supportsModality": [
        "text",
        "structured-data"
      ],

      /* 10. Lifecycle */
      "owner": "https://example.com/brand/brando",
      "maintainer": "https://example.com/team/governance",
      "dateCreated": "2025-01-01",
      "dateModified": "2025-11-01",
      "reviewCycle": "P90D",
      "isTestPersona": false,

      /* 11. Multi-Agent Persona Network */
      "relatedPersona": "https://example.com/persona/brando-creative-guardian",
      "fallbackPersona": "https://example.com/persona/brando-creative-guardian",
      "worksAlongside": [
        "https://example.com/persona/brando-creative-guardian"
      ]
    },

    /* ---------------------------------------------------------
     * SECOND PERSONA (Referenced in multi-agent section)
     * --------------------------------------------------------- */
    {
      "@id": "https://example.com/persona/brando-creative-guardian",
      "@type": "brando:SyntheticPersona",
      "name": "Brando Creative Guardian",
      "representationKind": "brand-voice",
      "representsEntity": "https://example.com/brand/brando",
      "personaArchetype": "creative-tone-enforcer",
      "toneProfile": "controlled-creative",
      "fallbackBehavior": "Use stricter governance persona."
    }
  ]
}

brando:SyntheticPersona

Brando Schema Vocabulary v1.4 — Option A (FULL SCHEMA LISTING)

Term definition

Relationship Summary

SyntheticPersona as an operative layer over Schema.org / GS1

Inbound: from brando:Brand

hasSyntheticPersona

Outbound Relationship Highlights

1. Identity Properties

2. Representation & Anchor

3. Brand, Product & Organizational Relationships

4. Audience, Role & Context

5. Language, Tone & Emotional Governance

6. Skills, Tools & Competencies

6.1 Skills & Abilities

6.2 Tool Permissions

6.3 Competencies

7. Verbal Control & Lexical Governance

7.1 Canonical Vocabulary

7.2 Prohibited Language

7.3 Synonym & Term Normalisation

7.4 Claim & Verb Controls

7.5 Lexical Policy Linking

8. Behavioural & Policy Governance

9. Technical Implementation

10. Lifecycle & Governance Oversight

11. Multi-Agent & Persona Network Relationships

FULL JSON-LD EXAMPLE (Brand + Persona)

Related documentation

`brando:SyntheticPersona`

Inbound: from `brando:Brand`

`hasSyntheticPersona`