classDiagram
class Coupling
click Coupling href "./Coupling.html"
Coupling : aggregation
Coupling --> "0..1" String : aggregation
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : coupling_function
Coupling --> "0..1" Equation : coupling_function
click Equation href "./Equation.html"
Coupling : delayed
Coupling --> "0..1" Boolean : delayed
click Boolean href "../http://www.w3.org/2001/XMLSchema#boolean.html"
Coupling : description
Coupling --> "0..1" String : description
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : distribution
Coupling --> "0..1" String : distribution
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : incoming_states
Coupling --> "*" StateVariable : incoming_states
click StateVariable href "./StateVariable.html"
Coupling : inner_coupling
Coupling --> "0..1" Coupling : inner_coupling
click Coupling href "./Coupling.html"
Coupling : interpolate_delays
Coupling --> "0..1" Boolean : interpolate_delays
click Boolean href "../http://www.w3.org/2001/XMLSchema#boolean.html"
Coupling : iri
Coupling --> "0..1" Uriorcurie : iri
click Uriorcurie href "../http://www.w3.org/2001/XMLSchema#anyURI.html"
Coupling : label
Coupling --> "0..1" String : label
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : local_states
Coupling --> "*" StateVariable : local_states
click StateVariable href "./StateVariable.html"
Coupling : name
Coupling --> "1" String : name
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : observed
Coupling --> "*" DerivedVariable : observed
click DerivedVariable href "./DerivedVariable.html"
Coupling : outsym
Coupling --> "*" String : outsym
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : parameters
Coupling --> "*" Parameter : parameters
click Parameter href "./Parameter.html"
Coupling : post_expression
Coupling --> "0..1" Equation : post_expression
click Equation href "./Equation.html"
Coupling : pre_expression
Coupling --> "0..1" Equation : pre_expression
click Equation href "./Equation.html"
Coupling : region_mapping
Coupling --> "0..1" RegionMapping : region_mapping
click RegionMapping href "./RegionMapping.html"
Coupling : regional_connectivity
Coupling --> "0..1" Network : regional_connectivity
click Network href "./Network.html"
Coupling : sparse
Coupling --> "0..1" Boolean : sparse
click Boolean href "../http://www.w3.org/2001/XMLSchema#boolean.html"
Coupling : symmetry
Coupling --> "0..1" String : symmetry
click String href "../http://www.w3.org/2001/XMLSchema#string.html"
Coupling : vectorized
Coupling --> "0..1" Boolean : vectorized
click Boolean href "../http://www.w3.org/2001/XMLSchema#boolean.html"
Class: Coupling
URI: tvbo:Coupling
Class Properties
| Property | Value |
|---|---|
| Class URI | tvbo:Coupling |
Slots
| Name | Cardinality and Range | Description | Inheritance |
|---|---|---|---|
| name | 1 xsd:string |
Globally unique identifier for the entity | direct |
| label | 0..1 xsd:string |
direct | |
| iri | 0..1 xsd:anyURI |
Optional stable IRI (or compact URI) for this entity in an external ontology … | direct |
| parameters | * Parameter |
direct | |
| description | 0..1 xsd:string |
direct | |
| coupling_function | 0..1 Equation |
Mathematical function defining the coupling | direct |
| sparse | 0..1 xsd:boolean |
Whether the coupling uses sparse representations | direct |
| pre_expression | 0..1 Equation |
Pre-processing expression applied before coupling | direct |
| post_expression | 0..1 Equation |
Post-processing expression applied after coupling | direct |
| incoming_states | * StateVariable |
References to state variables from connected (source) nodes | direct |
| local_states | * StateVariable |
References to state variables from the local (target) node | direct |
| delayed | 0..1 xsd:boolean |
Whether coupling includes transmission delays | direct |
| interpolate_delays | 0..1 xsd:boolean |
For delayed coupling: read delayed states by linear interpolation between the… | direct |
| vectorized | 0..1 xsd:boolean |
Opt in to the vectorized matmul fast path for a source-only coupling — one wh… | direct |
| symmetry | 0..1 xsd:string |
Edge symmetry type for NetworkDynamics | direct |
| outsym | * xsd:string |
Output symbol names for the edge model | direct |
| observed | * DerivedVariable |
Observable functions computed from edge inputs and parameters after simulatio… | direct |
| inner_coupling | 0..1 Coupling |
For hierarchical coupling: inner coupling applied at regional level | direct |
| region_mapping | 0..1 RegionMapping |
For hierarchical coupling: vertex-to-region mapping for aggregation | direct |
| regional_connectivity | 0..1 Network |
For hierarchical coupling: region-to-region connectivity with weights and del… | direct |
| aggregation | 0..1 xsd:string or Function |
For hierarchical coupling: aggregation method (‘sum’, ‘mean’, ‘max’) or custo… | direct |
| distribution | 0..1 xsd:string or Function |
For hierarchical coupling: distribution method (‘broadcast’, ‘weighted’) or c… | direct |
Usages
| used by | used in | type | used |
|---|---|---|---|
| Network | coupling | range | Coupling |
| Edge | coupling | range | Coupling |
| Coupling | inner_coupling | range | Coupling |
| SimulationExperiment | coupling | range | Coupling |
Identifier and Mapping Information
Schema Source
- from schema: https://w3id.org/tvbo
Mappings
| Mapping Type | Mapped Value |
|---|---|
| self | tvbo:Coupling |
| native | tvbo:Coupling |
LinkML Source
Direct
name: Coupling
from_schema: https://w3id.org/tvbo
slots:
- name
- label
- iri
- parameters
- description
slot_usage:
name:
name: name
ifabsent: Linear
attributes:
coupling_function:
name: coupling_function
description: Mathematical function defining the coupling
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: Equation
inlined: true
sparse:
name: sparse
description: Whether the coupling uses sparse representations
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: 'False'
domain_of:
- Coupling
range: boolean
pre_expression:
name: pre_expression
description: Pre-processing expression applied before coupling
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: Equation
inlined: true
post_expression:
name: post_expression
description: Post-processing expression applied after coupling
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: Equation
inlined: true
incoming_states:
name: incoming_states
description: References to state variables from connected (source) nodes. Auto-populated
from state_variables with coupling_variable=true when omitted. Used by name
in pre_expression.
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: StateVariable
multivalued: true
inlined: false
local_states:
name: local_states
description: References to state variables from the local (target) node. Used
by name in pre_expression.
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: StateVariable
multivalued: true
inlined: false
delayed:
name: delayed
description: Whether coupling includes transmission delays
from_schema: https://w3id.org/tvbo
ifabsent: 'True'
domain_of:
- Integrator
- Coupling
range: boolean
interpolate_delays:
name: interpolate_delays
description: 'For delayed coupling: read delayed states by linear interpolation
between the two bracketing history time-steps instead of snapping each delay
to the nearest integer step. Removes sub-step quantisation error and makes the
coupling differentiable w.r.t. the continuous delay — hence w.r.t. conduction
speed v (delay = tract_length / v) — so v can be gradient-optimised. Default
false preserves exact nearest-step behaviour (tvboptim roll strategy).'
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: 'False'
domain_of:
- Coupling
range: boolean
vectorized:
name: vectorized
description: 'Opt in to the vectorized matmul fast path for a source-only coupling
— one whose pre_expression depends only on source states (e.g. the angle-addition
decomposition [sin(theta_j), cos(theta_j)]). The W-reduction then becomes a
single ``pre @ weights`` matmul instead of materialising the dense per-edge
tensor. ONLY valid for INSTANTANEOUS coupling on a SYMMETRIC connectome (W ==
Wᵀ): the matmul contracts W while the per-edge path contracts Wᵀ, so the two
agree only when W is symmetric. Default false keeps the always-correct per-edge
reduction (and delays are inherently per-edge, so this flag is ignored when
delayed=true).'
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: 'False'
domain_of:
- Coupling
range: boolean
symmetry:
name: symmetry
description: 'Edge symmetry type for NetworkDynamics.jl EdgeModel: ''directed''
(default), ''antisymmetric'', or ''symmetric''. AntiSymmetric edges flip sign
for the reverse direction.'
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: string(directed)
domain_of:
- Coupling
range: string
outsym:
name: outsym
description: Output symbol names for the edge model. E.g. ['P'] for a scalar power
flow, ['Fx', 'Fy'] for 2D forces. Maps directly to outsym in ND.jl EdgeModel.
If not specified, derived from coupling variables of the connected vertex dynamics.
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: string
multivalued: true
observed:
name: observed
description: 'Observable functions computed from edge inputs and parameters after
simulation. Maps to obsf/obssym in ND.jl EdgeModel. Example: absolute force
magnitude computed from force components.'
from_schema: https://w3id.org/tvbo
domain_of:
- Dynamics
- Coupling
range: DerivedVariable
multivalued: true
inlined: true
inner_coupling:
name: inner_coupling
description: 'For hierarchical coupling: inner coupling applied at regional level'
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: Coupling
inlined: true
region_mapping:
name: region_mapping
description: 'For hierarchical coupling: vertex-to-region mapping for aggregation'
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: RegionMapping
inlined: true
regional_connectivity:
name: regional_connectivity
description: 'For hierarchical coupling: region-to-region connectivity with weights
and delays'
from_schema: https://w3id.org/tvbo
rank: 1000
domain_of:
- Coupling
range: Network
inlined: true
aggregation:
name: aggregation
description: 'For hierarchical coupling: aggregation method (''sum'', ''mean'',
''max'') or custom Function'
from_schema: https://w3id.org/tvbo
domain_of:
- Observation
- Coupling
any_of:
- range: string
- range: Function
distribution:
name: distribution
description: 'For hierarchical coupling: distribution method (''broadcast'', ''weighted'')
or custom Function'
from_schema: https://w3id.org/tvbo
domain_of:
- StateVariable
- Parameter
- Noise
- Prior
- Coupling
any_of:
- range: string
- range: Function
class_uri: tvbo:CouplingInduced
name: Coupling
from_schema: https://w3id.org/tvbo
slot_usage:
name:
name: name
ifabsent: Linear
attributes:
coupling_function:
name: coupling_function
description: Mathematical function defining the coupling
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: Equation
inlined: true
sparse:
name: sparse
description: Whether the coupling uses sparse representations
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: 'False'
owner: Coupling
domain_of:
- Coupling
range: boolean
pre_expression:
name: pre_expression
description: Pre-processing expression applied before coupling
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: Equation
inlined: true
post_expression:
name: post_expression
description: Post-processing expression applied after coupling
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: Equation
inlined: true
incoming_states:
name: incoming_states
description: References to state variables from connected (source) nodes. Auto-populated
from state_variables with coupling_variable=true when omitted. Used by name
in pre_expression.
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: StateVariable
multivalued: true
inlined: false
local_states:
name: local_states
description: References to state variables from the local (target) node. Used
by name in pre_expression.
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: StateVariable
multivalued: true
inlined: false
delayed:
name: delayed
description: Whether coupling includes transmission delays
from_schema: https://w3id.org/tvbo
ifabsent: 'True'
owner: Coupling
domain_of:
- Integrator
- Coupling
range: boolean
interpolate_delays:
name: interpolate_delays
description: 'For delayed coupling: read delayed states by linear interpolation
between the two bracketing history time-steps instead of snapping each delay
to the nearest integer step. Removes sub-step quantisation error and makes the
coupling differentiable w.r.t. the continuous delay — hence w.r.t. conduction
speed v (delay = tract_length / v) — so v can be gradient-optimised. Default
false preserves exact nearest-step behaviour (tvboptim roll strategy).'
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: 'False'
owner: Coupling
domain_of:
- Coupling
range: boolean
vectorized:
name: vectorized
description: 'Opt in to the vectorized matmul fast path for a source-only coupling
— one whose pre_expression depends only on source states (e.g. the angle-addition
decomposition [sin(theta_j), cos(theta_j)]). The W-reduction then becomes a
single ``pre @ weights`` matmul instead of materialising the dense per-edge
tensor. ONLY valid for INSTANTANEOUS coupling on a SYMMETRIC connectome (W ==
Wᵀ): the matmul contracts W while the per-edge path contracts Wᵀ, so the two
agree only when W is symmetric. Default false keeps the always-correct per-edge
reduction (and delays are inherently per-edge, so this flag is ignored when
delayed=true).'
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: 'False'
owner: Coupling
domain_of:
- Coupling
range: boolean
symmetry:
name: symmetry
description: 'Edge symmetry type for NetworkDynamics.jl EdgeModel: ''directed''
(default), ''antisymmetric'', or ''symmetric''. AntiSymmetric edges flip sign
for the reverse direction.'
from_schema: https://w3id.org/tvbo
rank: 1000
ifabsent: string(directed)
owner: Coupling
domain_of:
- Coupling
range: string
outsym:
name: outsym
description: Output symbol names for the edge model. E.g. ['P'] for a scalar power
flow, ['Fx', 'Fy'] for 2D forces. Maps directly to outsym in ND.jl EdgeModel.
If not specified, derived from coupling variables of the connected vertex dynamics.
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: string
multivalued: true
observed:
name: observed
description: 'Observable functions computed from edge inputs and parameters after
simulation. Maps to obsf/obssym in ND.jl EdgeModel. Example: absolute force
magnitude computed from force components.'
from_schema: https://w3id.org/tvbo
owner: Coupling
domain_of:
- Dynamics
- Coupling
range: DerivedVariable
multivalued: true
inlined: true
inner_coupling:
name: inner_coupling
description: 'For hierarchical coupling: inner coupling applied at regional level'
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: Coupling
inlined: true
region_mapping:
name: region_mapping
description: 'For hierarchical coupling: vertex-to-region mapping for aggregation'
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: RegionMapping
inlined: true
regional_connectivity:
name: regional_connectivity
description: 'For hierarchical coupling: region-to-region connectivity with weights
and delays'
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Coupling
range: Network
inlined: true
aggregation:
name: aggregation
description: 'For hierarchical coupling: aggregation method (''sum'', ''mean'',
''max'') or custom Function'
from_schema: https://w3id.org/tvbo
owner: Coupling
domain_of:
- Observation
- Coupling
range: string
any_of:
- range: string
- range: Function
distribution:
name: distribution
description: 'For hierarchical coupling: distribution method (''broadcast'', ''weighted'')
or custom Function'
from_schema: https://w3id.org/tvbo
owner: Coupling
domain_of:
- StateVariable
- Parameter
- Noise
- Prior
- Coupling
range: string
any_of:
- range: string
- range: Function
name:
name: name
description: Globally unique identifier for the entity.
from_schema: https://w3id.org/tvbo/common
slot_uri: schema:name
ifabsent: Linear
identifier: true
owner: Coupling
domain_of:
- BrainAtlas
- CommonCoordinateSpace
- ParcellationEntity
- DBSProtocol
- ClinicalScale
- ClinicalScore
- SoftwarePackage
- SoftwareRequirement
- SoftwareEnvironment
- Event
- Tractogram
- MeasureSpec
- NamedArray
- GraphGenerator
- Binding
- ProcedureStep
- File
- StateValue
- Observation
- Dynamics
- StateVariable
- Distribution
- Parameter
- CouplingInput
- Argument
- Function
- FunctionCall
- Callable
- DerivedParameter
- DerivedVariable
- DataSource
- OptimizationStage
- Exploration
- Inference
- Prior
- Likelihood
- UpdateRule
- Algorithm
- Option
- BranchSwitch
- Continuation
- Coupling
range: string
required: true
label:
name: label
from_schema: https://w3id.org/tvbo
rank: 1000
slot_uri: rdfs:label
owner: Coupling
domain_of:
- ParcellationTerminology
- Subject
- Session
- Dataset
- Contact
- SoftwareEnvironment
- Equation
- Stimulus
- Event
- Parcellation
- Tractogram
- Matrix
- Phenotype
- Network
- Node
- Edge
- Observation
- Dynamics
- StateVariable
- Parameter
- Function
- FunctionCall
- DerivedVariable
- RandomStream
- DataSource
- OptimizationStage
- Exploration
- ExplorationAxis
- FreeParameter
- Inference
- AlgorithmStage
- TuningObjective
- Continuation
- Coupling
- RegionMapping
- SimulationExperiment
- SimulationStudy
- TimeSeries
- NDArray
- SpatialDomain
- Mesh
- SpatialField
- FieldStateVariable
- DifferentialOperator
- BoundaryCondition
- PDESolver
- PDE
range: string
iri:
name: iri
description: Optional stable IRI (or compact URI) for this entity in an external
ontology or knowledge base. Used to load metadata from an external source; not
required when the entity is fully self-contained (equations, parameters, etc.
defined in the file itself).
from_schema: https://w3id.org/tvbo
rank: 1000
slot_uri: dcterms:identifier
owner: Coupling
domain_of:
- Parcellation
- Tractogram
- ReferenceFingerprint
- GraphGenerator
- Reference
- Dynamics
- Function
- Coupling
range: uriorcurie
parameters:
name: parameters
from_schema: https://w3id.org/tvbo
rank: 1000
owner: Coupling
domain_of:
- Equation
- Stimulus
- Event
- TemporalApplicableEquation
- Network
- GraphGenerator
- Node
- Edge
- Observation
- Analysis
- Dynamics
- Distribution
- Noise
- Exploration
- Discretization
- BranchSwitch
- Integrator
- Coupling
- PDE
range: Parameter
multivalued: true
inlined: true
description:
name: description
from_schema: https://w3id.org/tvbo
rank: 1000
slot_uri: dcterms:description
owner: Coupling
domain_of:
- Dataset
- ClinicalScore
- SoftwarePackage
- SoftwareRequirement
- SoftwareEnvironment
- Equation
- Stimulus
- Event
- Tractogram
- Matrix
- Phenotype
- MeasureSpec
- NamedArray
- Network
- GraphGenerator
- ProcedureStep
- File
- Node
- Edge
- Observation
- Dynamics
- StateVariable
- Parameter
- CouplingInput
- Argument
- Function
- FunctionCall
- Callable
- DerivedParameter
- DerivedVariable
- RandomStream
- DataSource
- OptimizationStage
- Exploration
- ExplorationAxis
- FreeParameter
- Inference
- Prior
- Likelihood
- UpdateRule
- AlgorithmStage
- TuningObjective
- Algorithm
- BranchSwitch
- Continuation
- Integrator
- Coupling
- RegionMapping
- SimulationExperiment
- Study
- TimeSeries
- NDArray
- SpatialDomain
- Mesh
- SpatialField
- FieldStateVariable
- BoundaryCondition
- PDESolver
- PDE
range: string
class_uri: tvbo:Coupling