Class: UnitOfMeasure

A unit of measure, or unit, is a particular quantity value that has been chosen as a scale for measuring other quantities the same kind (more generally of equivalent dimension).

URI: qudt:Unit

classDiagram class UnitOfMeasure UnitOfMeasure : abbreviation UnitOfMeasure : derivation UnitOfMeasure : descriptive_name UnitOfMeasure : exact_mappings UnitOfMeasure : has_quantity_kind UnitOfMeasure : iec61360code UnitOfMeasure : symbol UnitOfMeasure : ucum_code

Slots

Name	Cardinality and Range	Description	Inheritance
symbol	0..1 String	name of the unit encoded as a symbol	direct
abbreviation	0..1 String	An abbreviation for a unit is a short ASCII string that is used in place of t...	direct
descriptive_name	0..1 String	the spelled out name of the unit, for example, meter	direct
exact_mappings	0..* Uriorcurie	Used to link a unit to equivalent concepts in ontologies such as UO, SNOMED, ...	direct
ucum_code	0..1 recommended String	associates a QUDT unit with its UCUM code (case-sensitive)	direct
derivation	0..1 String	Expression for deriving this unit from other units	direct
has_quantity_kind	0..1 Uriorcurie	Concept in a vocabulary or ontology that denotes the kind of quanity being me...	direct
iec61360code	0..1 String		direct

Usages

used by	used in	type	used
TypeExpression	unit	range	UnitOfMeasure
AnonymousTypeExpression	unit	range	UnitOfMeasure
TypeDefinition	unit	range	UnitOfMeasure
SlotExpression	unit	range	UnitOfMeasure
AnonymousSlotExpression	unit	range	UnitOfMeasure
SlotDefinition	unit	range	UnitOfMeasure
PermissibleValue	unit	range	UnitOfMeasure
UnitOfMeasure	ucum_code	domain	UnitOfMeasure

Identifier and Mapping Information

Schema Source

from schema: https://w3id.org/linkml/meta

Mappings

Mapping Type	Mapped Value
self	qudt:Unit
native	linkml:UnitOfMeasure

LinkML Source

Direct

name: UnitOfMeasure
description: A unit of measure, or unit, is a particular quantity value that has been
  chosen as a scale for measuring other quantities the same kind (more generally of
  equivalent dimension).
from_schema: https://w3id.org/linkml/meta
slots:
- symbol
- abbreviation
- descriptive_name
- exact mappings
- ucum_code
- derivation
- has_quantity_kind
- iec61360code
slot_usage:
  exact mappings:
    name: exact mappings
    description: Used to link a unit to equivalent concepts in ontologies such as
      UO, SNOMED, OEM, OBOE, NCIT
    comments:
    - Do not use this to encode mappings to systems for which a dedicated field exists
    domain_of:
    - common_metadata
    - UnitOfMeasure
class_uri: qudt:Unit
any_of:
- slot_conditions:
    ucum_code:
      name: ucum_code
      required: true
- slot_conditions:
    iec61360code:
      name: iec61360code
      required: true
- slot_conditions:
    symbol:
      name: symbol
      required: true
- slot_conditions:
    exact_mappings:
      name: exact_mappings
      required: true

Induced

name: UnitOfMeasure
description: A unit of measure, or unit, is a particular quantity value that has been
  chosen as a scale for measuring other quantities the same kind (more generally of
  equivalent dimension).
from_schema: https://w3id.org/linkml/meta
slot_usage:
  exact mappings:
    name: exact mappings
    description: Used to link a unit to equivalent concepts in ontologies such as
      UO, SNOMED, OEM, OBOE, NCIT
    comments:
    - Do not use this to encode mappings to systems for which a dedicated field exists
    domain_of:
    - common_metadata
    - UnitOfMeasure
attributes:
  symbol:
    name: symbol
    description: name of the unit encoded as a symbol
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    slot_uri: qudt:symbol
    alias: symbol
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: string
  abbreviation:
    name: abbreviation
    description: 'An abbreviation for a unit is a short ASCII string that is used
      in place of the full name for the unit in contexts where non-ASCII characters
      would be problematic, or where using the abbreviation will enhance readability.
      When a power of a base unit needs to be expressed, such as squares this can
      be done using abbreviations rather than symbols (source: qudt)'
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    slot_uri: qudt:abbreviation
    alias: abbreviation
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: string
  descriptive_name:
    name: descriptive_name
    description: the spelled out name of the unit, for example, meter
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    slot_uri: rdfs:label
    alias: descriptive_name
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: string
  exact mappings:
    name: exact mappings
    description: Used to link a unit to equivalent concepts in ontologies such as
      UO, SNOMED, OEM, OBOE, NCIT
    comments:
    - Do not use this to encode mappings to systems for which a dedicated field exists
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    is_a: mappings
    slot_uri: skos:exactMatch
    multivalued: true
    inherited: false
    alias: exact_mappings
    owner: UnitOfMeasure
    domain_of:
    - common_metadata
    - UnitOfMeasure
    range: uriorcurie
  ucum_code:
    name: ucum_code
    description: associates a QUDT unit with its UCUM code (case-sensitive).
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    domain: UnitOfMeasure
    slot_uri: qudt:ucumCode
    alias: ucum_code
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: string
    recommended: true
  derivation:
    name: derivation
    description: Expression for deriving this unit from other units
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    alias: derivation
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: string
  has_quantity_kind:
    name: has_quantity_kind
    description: Concept in a vocabulary or ontology that denotes the kind of quanity
      being measured, e.g. length
    comments:
    - Potential ontologies include but are not limited to PATO, NCIT, OBOE, qudt.quantityKind
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    slot_uri: qudt:hasQuantityKind
    alias: has_quantity_kind
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: uriorcurie
  iec61360code:
    name: iec61360code
    from_schema: https://w3id.org/linkml/meta
    rank: 1000
    slot_uri: qudt:iec61360Code
    alias: iec61360code
    owner: UnitOfMeasure
    domain_of:
    - UnitOfMeasure
    range: string
class_uri: qudt:Unit
any_of:
- slot_conditions:
    ucum_code:
      name: ucum_code
      required: true
- slot_conditions:
    iec61360code:
      name: iec61360code
      required: true
- slot_conditions:
    symbol:
      name: symbol
      required: true
- slot_conditions:
    exact_mappings:
      name: exact_mappings
      required: true