EnVar microschema · class

Quantity

A numerical value with unit

3 fields 0 core

URI: envar:class/Quantity

Where it sits

Composed intoTimepointTimeInterval

Fields

Core Conditionally core Recommended Optional

Optional Include when available 3 fields

Quantity Valueoptionalrequired

quantity_value · range Decimal · cardinality 1

The numeric value

Quantity Unitoptionalrequired

quantity_unit · range Uriorcurie · cardinality 1

Unit (UCUM, UO, QUDT, etc.)

Comparatoroptional

comparator · range ComparatorEnum · cardinality 0..1

Comparison operator (less than, greater than, etc.) or exact if null

Allowed values

lt Less than le Less than or equal to ge Greater than or equal to gt Greater than

Full field reference — every slot, cardinality & inheritance

Field	Name	Tier	Cardinality / Range	Description
Quantity Value	`quantity_value`	optional	1 Decimal	The numeric value
Quantity Unit	`quantity_unit`	optional	1 Uriorcurie	Unit (UCUM, UO, QUDT, etc
Comparator	`comparator`	optional	0..1 ComparatorEnum	Comparison operator (less than, greater than, etc

Diagram & LinkML source

 classDiagram
    class Quantity
    click Quantity href "../../classes/Quantity/"
      Quantity : comparator





        Quantity --> "0..1" ComparatorEnum : comparator
        click ComparatorEnum href "../../enums/ComparatorEnum/"



      Quantity : quantity_unit

      Quantity : quantity_value

name: Quantity
instantiates:
- ValueMicroschemaDefinition
description: A numerical value with unit
from_schema: https://w3id.org/linkml/microschemas/envar
rank: 1000
attributes:
  quantity_value:
    name: quantity_value
    description: The numeric value
    from_schema: https://w3id.org/linkml/microschemas/envar
    rank: 1000
    owner: Quantity
    domain_of:
    - Quantity
    range: decimal
    required: true
  quantity_unit:
    name: quantity_unit
    description: Unit (UCUM, UO, QUDT, etc.)
    from_schema: https://w3id.org/linkml/microschemas/envar
    rank: 1000
    slot_uri: schema:unitCode
    owner: Quantity
    domain_of:
    - Quantity
    range: uriorcurie
    required: true
  comparator:
    name: comparator
    description: Comparison operator (less than, greater than, etc.) or exact if null
    from_schema: https://w3id.org/linkml/microschemas/envar
    rank: 1000
    owner: Quantity
    domain_of:
    - Quantity
    range: ComparatorEnum

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/linkml/microschemas/envar

Mappings

Mapping Type	Mapped Value
self	envar:Quantity
native	envar:Quantity