Class: Task¶

Task entity for implementation and follow-up workflows. Entity.status covers lifecycle; task_status uses action status vocabulary URIs. Links to related entities via applies_to_entities.

__

URI: pbs:Task

classDiagram
direction TB
class Task
click Task href "./Task.html" _blank
Entity <|-- Task
click Entity href "./Entity.html" _blank
click Entity href "./Entity.html" _blank
click Agent href "./Agent.html" _blank
click Classification href "./Classification.html" _blank
click GeometryRepresentation href "./GeometryRepresentation.html" _blank
click LocalizedText href "./LocalizedText.html" _blank
click LocalizedText href "./LocalizedText.html" _blank
click MetadataEntry href "./MetadataEntry.html" _blank
click Process href "./Process.html" _blank
click PerformanceProperty href "./PerformanceProperty.html" _blank
click QuantityValue href "./QuantityValue.html" _blank
click Decision href "./Decision.html" _blank
click StatusType href "./StatusType.html" _blank

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Inheritance¶

Entity
- Task

Class Properties¶

Property	Value
Class URI	pbs:Task

Slots¶

Name	Cardinality and Range	Description	Inheritance
task_type	0..1 Uriorcurie	Task type expressed as a URI/CURIE from a controlled vocabulary.	direct
task_status	0..1 Uriorcurie	Task status URI/CURIE aligned with action status vocabularies.	direct
assignee	0..1 Agent	Responsible agent.	direct
due_at	0..1 Datetime	Due timestamp for task completion.	direct
related_decision	0..1 Decision	Optional reference to a decision that informs or drives this task.	direct
parent_process	0..1 Process	Optional BPMN process instance that owns or spawned this task.	direct
task_notes	0..1 String	Additional notes or implementation details for the task.	direct
id	1 String	Unique local identifier.	Entity
content_kind	1 String	Entity type discriminator for adapter projection and querying. Must be a ContentKind value.	Entity
name	1 String	Default display name.	Entity
localized_names	* LocalizedText	Localized variants of name.	Entity
description	0..1 String	Default description text.	Entity
meaning_uri	0..1 Uriorcurie	Optional semantic URI for linking the entity instance to an external ontology concept.	Entity
localized_descriptions	* LocalizedText	Localized variants of description.	Entity
ifc_global_id	0..1 String	IFC GlobalId of the mapped entity.	Entity
classifications	* Classification	Classification entries from IFC and other schemes.	Entity
geometry_representations	* GeometryRepresentation	Geometry references associated with the entity. A single element may link to multiple geometry representations to serve different intents (authoring, coordination, analysis, visualization) without duplicating the element itself.	Entity
quantity_values	* QuantityValue	Quantities associated with the entity.	Entity
metadata	* MetadataEntry	Generic metadata container for IFC attributes/properties and project-specific extensions.	Entity
performance_properties	* PerformanceProperty	Normalized, strongly typed domain properties (fire/acoustic/thermal/structural/ security/material) extracted from raw IFC PropertySet values.	Entity
applies_to_entities	* Entity	Model entities this record applies to (requirements, cost items, schedule items, etc.).	Entity
created_at	0..1 Datetime	Creation timestamp for this entity record.	Entity
modified_at	0..1 Datetime	Last modification timestamp for this entity record.	Entity
revision	0..1 Integer	Integer revision counter for change tracking.	Entity
status	0..1 StatusType	Lifecycle or QA status.	Entity

Usages¶

used by	used in	type	used
Change	triggered_task	range	Task
PropertyChange	triggered_task	range	Task
GeometryChange	triggered_task	range	Task
RequirementChange	triggered_task	range	Task
MatchChange	triggered_task	range	Task
AdditionChange	triggered_task	range	Task
DeletionChange	triggered_task	range	Task

Identifier and Mapping Information¶

Schema Source¶

from schema: https://schema.pragmaticbim.ch

Mappings¶

Mapping Type	Mapped Value
self	pbs:Task
native	pbs:Task
exact	schema:Action, prov:Activity

LinkML Source¶

Direct¶

name: Task
description: 'Task entity for implementation and follow-up workflows. Entity.status
  covers lifecycle; task_status uses action status vocabulary URIs. Links to related
  entities via applies_to_entities.

  '
from_schema: https://schema.pragmaticbim.ch
exact_mappings:
- schema:Action
- prov:Activity
is_a: Entity
slots:
- task_type
- task_status
- assignee
- due_at
- related_decision
- parent_process
- task_notes
slot_usage:
  content_kind:
    name: content_kind
    equals_string: task
class_uri: pbs:Task

Induced¶

name: Task
description: 'Task entity for implementation and follow-up workflows. Entity.status
  covers lifecycle; task_status uses action status vocabulary URIs. Links to related
  entities via applies_to_entities.

  '
from_schema: https://schema.pragmaticbim.ch
exact_mappings:
- schema:Action
- prov:Activity
is_a: Entity
slot_usage:
  content_kind:
    name: content_kind
    equals_string: task
attributes:
  task_type:
    name: task_type
    description: Task type expressed as a URI/CURIE from a controlled vocabulary.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    slot_uri: dcterms:type
    owner: Task
    domain_of:
    - Task
    range: uriorcurie
  task_status:
    name: task_status
    description: Task status URI/CURIE aligned with action status vocabularies.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    slot_uri: schema:actionStatus
    owner: Task
    domain_of:
    - Task
    range: uriorcurie
  assignee:
    name: assignee
    description: Responsible agent.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    slot_uri: schema:agent
    owner: Task
    domain_of:
    - Task
    range: Agent
    inlined: false
  due_at:
    name: due_at
    description: Due timestamp for task completion.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    slot_uri: schema:deadline
    owner: Task
    domain_of:
    - Task
    - DeliverableRequirement
    - ScheduleRequirement
    range: datetime
  related_decision:
    name: related_decision
    description: Optional reference to a decision that informs or drives this task.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    slot_uri: prov:used
    owner: Task
    domain_of:
    - Task
    range: Decision
    inlined: false
  parent_process:
    name: parent_process
    description: Optional BPMN process instance that owns or spawned this task.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Task
    range: Process
    inlined: false
  task_notes:
    name: task_notes
    description: Additional notes or implementation details for the task.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    slot_uri: rdfs:comment
    owner: Task
    domain_of:
    - Task
    range: string
  id:
    name: id
    description: Unique local identifier.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    identifier: true
    owner: Task
    domain_of:
    - Entity
    - Change
    range: string
    required: true
  content_kind:
    name: content_kind
    description: Entity type discriminator for adapter projection and querying. Must
      be a ContentKind value.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: string
    required: true
    equals_string: task
  name:
    name: name
    description: Default display name.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: string
    required: true
  localized_names:
    name: localized_names
    description: Localized variants of name.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: LocalizedText
    multivalued: true
    inlined: true
  description:
    name: description
    description: Default description text.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: string
  meaning_uri:
    name: meaning_uri
    description: Optional semantic URI for linking the entity instance to an external
      ontology concept.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: uriorcurie
  localized_descriptions:
    name: localized_descriptions
    description: Localized variants of description.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: LocalizedText
    multivalued: true
    inlined: true
  ifc_global_id:
    name: ifc_global_id
    description: IFC GlobalId of the mapped entity.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    - Change
    range: string
    pattern: ^[0-3][0-9A-Za-z_$]{21}$
  classifications:
    name: classifications
    description: Classification entries from IFC and other schemes.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    - Artifact
    range: Classification
    multivalued: true
    inlined: true
  geometry_representations:
    name: geometry_representations
    description: 'Geometry references associated with the entity. A single element
      may link to multiple geometry representations to serve different intents (authoring,
      coordination, analysis, visualization) without duplicating the element itself.

      '
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: GeometryRepresentation
    multivalued: true
    inlined: true
  quantity_values:
    name: quantity_values
    description: Quantities associated with the entity.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: QuantityValue
    multivalued: true
    inlined: true
  metadata:
    name: metadata
    description: Generic metadata container for IFC attributes/properties and project-specific
      extensions.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: MetadataEntry
    multivalued: true
    inlined: true
  performance_properties:
    name: performance_properties
    description: 'Normalized, strongly typed domain properties (fire/acoustic/thermal/structural/
      security/material) extracted from raw IFC PropertySet values.

      '
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: PerformanceProperty
    multivalued: true
    inlined: true
  applies_to_entities:
    name: applies_to_entities
    description: Model entities this record applies to (requirements, cost items,
      schedule items, etc.).
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    - TimeRecord
    - CostRecord
    range: Entity
    multivalued: true
    inlined: false
  created_at:
    name: created_at
    description: Creation timestamp for this entity record.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: datetime
  modified_at:
    name: modified_at
    description: Last modification timestamp for this entity record.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: datetime
  revision:
    name: revision
    description: Integer revision counter for change tracking.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: integer
    minimum_value: 0
  status:
    name: status
    description: Lifecycle or QA status.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: Task
    domain_of:
    - Entity
    range: StatusType
class_uri: pbs:Task