bdi-mental-states
This skill should be used when the user asks to "model agent mental states", "implement BDI architecture", "create belief-desire-intention models", "transform RDF to beliefs", "build cognitive agent", or mentions BDI ontology, mental state modeling, rational agency, or neuro-symbolic AI integration.
Documentation
BDI Mental State Modeling
Transform external RDF context into agent mental states (beliefs, desires, intentions) using formal BDI ontology patterns. This skill enables agents to reason about context through cognitive architecture, supporting deliberative reasoning, explainability, and semantic interoperability within multi-agent systems.
When to Use
Activate this skill when:
- Processing external RDF context into agent beliefs about world states
- Modeling rational agency with perception, deliberation, and action cycles
- Enabling explainability through traceable reasoning chains
- Implementing BDI frameworks (SEMAS, JADE, JADEX)
- Augmenting LLMs with formal cognitive structures (Logic Augmented Generation)
- Coordinating mental states across multi-agent platforms
- Tracking temporal evolution of beliefs, desires, and intentions
- Linking motivational states to action plans
Core Concepts
Mental Reality Architecture
Mental States (Endurants): Persistent cognitive attributes
Belief: What the agent believes to be true about the worldDesire: What the agent wishes to bring aboutIntention: What the agent commits to achieving
Mental Processes (Perdurants): Events that modify mental states
BeliefProcess: Forming/updating beliefs from perceptionDesireProcess: Generating desires from beliefsIntentionProcess: Committing to desires as actionable intentions
Cognitive Chain Pattern
:Belief_store_open a bdi:Belief ;
rdfs:comment "Store is open" ;
bdi:motivates :Desire_buy_groceries .
:Desire_buy_groceries a bdi:Desire ;
rdfs:comment "I desire to buy groceries" ;
bdi:isMotivatedBy :Belief_store_open .
:Intention_go_shopping a bdi:Intention ;
rdfs:comment "I will buy groceries" ;
bdi:fulfils :Desire_buy_groceries ;
bdi:isSupportedBy :Belief_store_open ;
bdi:specifies :Plan_shopping .
World State Grounding
Mental states reference structured configurations of the environment:
:Agent_A a bdi:Agent ;
bdi:perceives :WorldState_WS1 ;
bdi:hasMentalState :Belief_B1 .
:WorldState_WS1 a bdi:WorldState ;
rdfs:comment "Meeting scheduled at 10am in Room 5" ;
bdi:atTime :TimeInstant_10am .
:Belief_B1 a bdi:Belief ;
bdi:refersTo :WorldState_WS1 .
Goal-Directed Planning
Intentions specify plans that address goals through task sequences:
:Intention_I1 bdi:specifies :Plan_P1 .
:Plan_P1 a bdi:Plan ;
bdi:addresses :Goal_G1 ;
bdi:beginsWith :Task_T1 ;
bdi:endsWith :Task_T3 .
:Task_T1 bdi:precedes :Task_T2 .
:Task_T2 bdi:precedes :Task_T3 .
T2B2T Paradigm
Triples-to-Beliefs-to-Triples implements bidirectional flow between RDF knowledge graphs and internal mental states:
Phase 1: Triples-to-Beliefs
# External RDF context triggers belief formation
:WorldState_notification a bdi:WorldState ;
rdfs:comment "Push notification: Payment request $250" ;
bdi:triggers :BeliefProcess_BP1 .
:BeliefProcess_BP1 a bdi:BeliefProcess ;
bdi:generates :Belief_payment_request .
Phase 2: Beliefs-to-Triples
# Mental deliberation produces new RDF output
:Intention_pay a bdi:Intention ;
bdi:specifies :Plan_payment .
:PlanExecution_PE1 a bdi:PlanExecution ;
bdi:satisfies :Plan_payment ;
bdi:bringsAbout :WorldState_payment_complete .
Notation Selection by Level
| C4 Level | Notation | Mental State Representation |
|---|---|---|
| L1 Context | ArchiMate | Agent boundaries, external perception sources |
| L2 Container | ArchiMate | BDI reasoning engine, belief store, plan executor |
| L3 Component | UML | Mental state managers, process handlers |
| L4 Code | UML/RDF | Belief/Desire/Intention classes, ontology instances |
Justification and Explainability
Mental entities link to supporting evidence for traceable reasoning:
:Belief_B1 a bdi:Belief ;
bdi:isJustifiedBy :Justification_J1 .
:Justification_J1 a bdi:Justification ;
rdfs:comment "Official announcement received via email" .
:Intention_I1 a bdi:Intention ;
bdi:isJustifiedBy :Justification_J2 .
:Justification_J2 a bdi:Justification ;
rdfs:comment "Location precondition satisfied" .
Temporal Dimensions
Mental states persist over bounded time periods:
:Belief_B1 a bdi:Belief ;
bdi:hasValidity :TimeInterval_TI1 .
:TimeInterval_TI1 a bdi:TimeInterval ;
bdi:hasStartTime :TimeInstant_9am ;
bdi:hasEndTime :TimeInstant_11am .
Query mental states active at specific moments:
SELECT ?mentalState WHERE {
?mentalState bdi:hasValidity ?interval .
?interval bdi:hasStartTime ?start ;
bdi:hasEndTime ?end .
FILTER(?start <= "2025-01-04T10:00:00"^^xsd:dateTime &&
?end >= "2025-01-04T10:00:00"^^xsd:dateTime)
}
Compositional Mental Entities
Complex mental entities decompose into constituent parts for selective update
Use Cases
- Processing external RDF context into agent beliefs about world states
- Modeling rational agency with perception, deliberation, and action cycles
- Enabling explainability through traceable reasoning chains
- Implementing BDI frameworks (SEMAS, JADE, JADEX)
- Augmenting LLMs with formal cognitive structures (Logic Augmented Generation)
Quick Info
- Source
- antigravity
- Category
- AI & Agents
- Repository
- View Repo
- Scraped At
- Mar 7, 2026
Tags
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