Class: Measurement
A single measured value for a variable on a sample, with full provenance including method, QC flags, timestamps, and aggregation metadata. Extends bertron QuantityValue with measurement-specific context.
URI: wss_test:Measurement
classDiagram
class Measurement
click Measurement href "../Measurement/"
QuantityValue <|-- Measurement
click QuantityValue href "../QuantityValue/"
Measurement : attribute
Measurement --> "1" Variable : attribute
click Variable href "../Variable/"
Measurement : datetime_measured
Measurement : flag
Measurement : method_id
Measurement : notes
Measurement : numeric_value
Measurement : raw_value
Measurement : reported_precision
Measurement : statistic
Measurement : temporal_aggregation
Measurement : unit
Measurement : unit_cv_id
Inheritance
- AttributeValue
- QuantityValue
- Measurement
- QuantityValue
Slots
| Name | Cardinality and Range | Description | Inheritance |
|---|---|---|---|
| method_id | 0..1 String |
Identifier for the analytical method used to produce the measurement | direct |
| flag | 0..1 String |
Quality assurance flag associated with the measurement | direct |
| datetime_measured | 0..1 Datetime |
Date and time when the measurement was taken | direct |
| statistic | 0..1 String |
The summary statistic applied to the measurement, if any (e | direct |
| temporal_aggregation | 0..1 String |
The time interval over which the statistic was aggregated (e | direct |
| reported_precision | 0..1 Float |
The precision of the reported result value | direct |
| notes | 0..1 String |
Free-text notes about the measurement | direct |
| numeric_value | 1 Float |
The numerical part of a quantity value | QuantityValue |
| unit | 1 String |
Unit of measurement, ideally as a Unit Ontology CURIE | QuantityValue |
| unit_cv_id | 0..1 Uriorcurie |
The unit of the quantity, expressed as a CURIE from the Unit Ontology | QuantityValue |
| attribute | 1 Variable |
The variable being measured, as a reference to a Variable definition | AttributeValue |
| raw_value | 0..1 String |
The value that was specified for an annotation in raw form, i | AttributeValue |
Usages
| used by | used in | type | used |
|---|---|---|---|
| Sample | measurements | range | Measurement |
Identifier and Mapping Information
Schema Source
- from schema: https://w3id.org/sierra-moxon/wss-test
Mappings
| Mapping Type | Mapped Value |
|---|---|
| self | wss_test:Measurement |
| native | wss_test:Measurement |
LinkML Source
Direct
name: Measurement
description: A single measured value for a variable on a sample, with full provenance
including method, QC flags, timestamps, and aggregation metadata. Extends bertron
QuantityValue with measurement-specific context.
from_schema: https://w3id.org/sierra-moxon/wss-test
is_a: QuantityValue
slots:
- method_id
- flag
- datetime_measured
- statistic
- temporal_aggregation
- reported_precision
- notes
slot_usage:
attribute:
name: attribute
description: The variable being measured, as a reference to a Variable definition.
range: Variable
numeric_value:
name: numeric_value
aliases:
- result_value
required: true
unit:
name: unit
required: true
Induced
name: Measurement
description: A single measured value for a variable on a sample, with full provenance
including method, QC flags, timestamps, and aggregation metadata. Extends bertron
QuantityValue with measurement-specific context.
from_schema: https://w3id.org/sierra-moxon/wss-test
is_a: QuantityValue
slot_usage:
attribute:
name: attribute
description: The variable being measured, as a reference to a Variable definition.
range: Variable
numeric_value:
name: numeric_value
aliases:
- result_value
required: true
unit:
name: unit
required: true
attributes:
method_id:
name: method_id
description: Identifier for the analytical method used to produce the measurement.
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: method_id
owner: Measurement
domain_of:
- Measurement
range: string
flag:
name: flag
description: Quality assurance flag associated with the measurement.
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: flag
owner: Measurement
domain_of:
- Measurement
range: string
datetime_measured:
name: datetime_measured
description: Date and time when the measurement was taken.
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: datetime_measured
owner: Measurement
domain_of:
- Measurement
range: datetime
statistic:
name: statistic
description: The summary statistic applied to the measurement, if any (e.g. mean,
median).
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: statistic
owner: Measurement
domain_of:
- Measurement
range: string
temporal_aggregation:
name: temporal_aggregation
description: The time interval over which the statistic was aggregated (e.g. daily,
15-min).
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: temporal_aggregation
owner: Measurement
domain_of:
- Measurement
range: string
reported_precision:
name: reported_precision
description: The precision of the reported result value.
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: reported_precision
owner: Measurement
domain_of:
- Measurement
range: float
notes:
name: notes
description: Free-text notes about the measurement.
from_schema: https://w3id.org/sierra-moxon/wss-test
rank: 1000
alias: notes
owner: Measurement
domain_of:
- Measurement
range: string
numeric_value:
name: numeric_value
description: The numerical part of a quantity value.
from_schema: https://w3id.org/sierra-moxon/wss-test
aliases:
- result_value
mappings:
- nmdc:numeric_value
- qud:quantityValue
- schema:value
- bertron:numeric_value
rank: 1000
alias: numeric_value
owner: Measurement
domain_of:
- QuantityValue
range: float
required: true
unit:
name: unit
description: Unit of measurement, ideally as a Unit Ontology CURIE.
from_schema: https://w3id.org/sierra-moxon/wss-test
mappings:
- nmdc:unit
- qud:unit
- schema:unitCode
- UO:0000000
- bertron:unit
rank: 1000
alias: unit
owner: Measurement
domain_of:
- QuantityValue
range: string
required: true
unit_cv_id:
name: unit_cv_id
description: The unit of the quantity, expressed as a CURIE from the Unit Ontology.
from_schema: https://w3id.org/sierra-moxon/wss-test
mappings:
- bertron:unit_cv_id
rank: 1000
alias: unit_cv_id
owner: Measurement
domain_of:
- QuantityValue
range: uriorcurie
attribute:
name: attribute
description: The variable being measured, as a reference to a Variable definition.
from_schema: https://w3id.org/sierra-moxon/wss-test
mappings:
- bertron:attribute
rank: 1000
alias: attribute
owner: Measurement
domain_of:
- AttributeValue
range: Variable
required: true
raw_value:
name: raw_value
description: The value that was specified for an annotation in raw form, i.e.
a string. E.g. "2 cm" or "2-4 cm"
from_schema: https://w3id.org/sierra-moxon/wss-test
mappings:
- nmdc:raw_value
- bertron:raw_value
rank: 1000
alias: raw_value
owner: Measurement
domain_of:
- AttributeValue
range: string