schema
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meta.schema.json
consider_nulls_inequal
By default, None values are considered equal for the purposes of comparisons in determining uniqueness. Set this to true to treat missing values as per ANSI-SQL NULLs, i.e NULL=NULL is always False.
{"type": "boolean"}
meta.schema.json
contributors
agent that contributed to the element
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
created_by
agent that created the element
{"type": "string"}
meta.schema.json
created_on
time at which the element was created
{"format": "date-time", "type": "string"}
meta.schema.json
deprecated
Description of why and when this element will no longer be used
{"type": "string"}
meta.schema.json
deprecated_element_has_exact_replacement
When an element is deprecated, it can be automatically replaced by this uri or curie
{"type": "string"}
meta.schema.json
deprecated_element_has_possible_replacement
When an element is deprecated, it can be potentially replaced by this uri or curie
{"type": "string"}
meta.schema.json
description
a textual description of the element's purpose and use
{"type": "string"}
meta.schema.json
exact_mappings
A list of terms from different schemas or terminology systems that have identical meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
examples
example usages of an element
{"items": {}, "type": "array"}
meta.schema.json
extensions
a tag/text tuple attached to an arbitrary element
{"additionalProperties": {}, "type": "object"}
meta.schema.json
from_schema
id of the schema that defined the element
{"type": "string"}
meta.schema.json
imported_from
the imports entry that this element was derived from. Empty means primary source
{"type": "string"}
meta.schema.json
in_language
the primary language used in the sources
{"type": "string"}
meta.schema.json
in_subset
used to indicate membership of a term in a defined subset of terms used for a particular domain or application.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
keywords
Keywords or tags used to describe the element
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
last_updated_on
time at which the element was last updated
{"format": "date-time", "type": "string"}
meta.schema.json
mappings
A list of terms from different schemas or terminology systems that have comparable meaning. These may include terms that are precisely equivalent, broader or narrower in meaning, or otherwise semantically related but not equivalent from a strict ontological perspective.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
modified_by
agent that modified the element
{"type": "string"}
meta.schema.json
narrow_mappings
A list of terms from different schemas or terminology systems that have narrower meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
notes
editorial notes about an element intended primarily for internal consumption
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
rank
the relative order in which the element occurs, lower values are given precedence
{"type": "integer"}
meta.schema.json
related_mappings
A list of terms from different schemas or terminology systems that have related meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
see_also
A list of related entities or URLs that may be of relevance
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
source
A related resource from which the element is derived.
{"type": "string"}
meta.schema.json
status
status of the element
{"type": "string"}
meta.schema.json
structured_aliases
A list of structured_alias objects, used to provide aliases in conjunction with additional metadata.
{"items": {}, "type": "array"}
meta.schema.json
title
A concise human-readable display label for the element. The title should mirror the name, and should use ordinary textual punctuation.
{"type": "string"}
meta.schema.json
todos
Outstanding issues that needs resolution
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
unique_key_name
name of the unique key
{"type": "string"}
meta.schema.json
unique_key_slots
list of slot names that form a key. The tuple formed from the values of all these slots should be unique.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
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).
{"additionalProperties": false, "properties": {"abbreviation": {"type": "string"}, "derivation": {"type": "string"}, "descriptive_name": {"type": "string"}, "exact_mappings": {"items": {"type": "string"}, "type": "array"}, "has_quantity_kind": {"type": "string"}, "iec61360code": {"type": "string"}, "symbol": {"type": "string"}, "ucum_code": {"type": "string"}}, "type": "object"}
meta.schema.json
abbreviation
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)
{"type": "string"}
meta.schema.json
derivation
Expression for deriving this unit from other units
{"type": "string"}
meta.schema.json
descriptive_name
the spelled out name of the unit, for example, meter
{"type": "string"}
meta.schema.json
exact_mappings
Used to link a unit to equivalent concepts in ontologies such as UO, SNOMED, OEM, OBOE, NCIT
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
has_quantity_kind
Concept in a vocabulary or ontology that denotes the kind of quanity being measured, e.g. length
{"type": "string"}
meta.schema.json
symbol
name of the unit encoded as a symbol
{"type": "string"}
meta.schema.json
ucum_code
associates a QUDT unit with its UCUM code (case-sensitive).
{"type": "string"}
meta.schema.json
aliases
Alternate names/labels for the element. These do not alter the semantics of the schema, but may be useful to support search and alignment.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
alt_descriptions
A sourced alternative description for an element
{"additionalProperties": {"anyOf": [{}, {"type": "string"}]}, "type": "object"}
meta.schema.json
additionalProperties
text of an attributed description
{"type": "string"}
meta.schema.json
annotations
a collection of tag/text tuples with the semantics of OWL Annotation
{"additionalProperties": {}, "type": "object"}
meta.schema.json
broad_mappings
A list of terms from different schemas or terminology systems that have broader meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
categories
Controlled terms used to categorize an element.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
classes
An index to the collection of all class definitions in the schema
{"additionalProperties": {"anyOf": [{}, {"type": "null"}]}, "type": "object"}
meta.schema.json
close_mappings
A list of terms from different schemas or terminology systems that have close meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
comments
notes and comments about an element intended primarily for external consumption
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
conforms_to
An established standard to which the element conforms.
{"type": "string"}
meta.schema.json
contributors
agent that contributed to the element
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
created_by
agent that created the element
{"type": "string"}
meta.schema.json
created_on
time at which the element was created
{"format": "date-time", "type": "string"}
meta.schema.json
default_curi_maps
ordered list of prefixcommon biocontexts to be fetched to resolve id prefixes and inline prefix variables
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
default_prefix
The prefix that is used for all elements within a schema
{"type": "string"}
meta.schema.json
default_range
default slot range to be used if range element is omitted from a slot definition
{"type": "string"}
meta.schema.json
definition_uri
The native URI of the element. This is always within the namespace of the containing schema. Contrast with the assigned URI, via class_uri or slot_uri
{"type": "string"}
meta.schema.json
deprecated
Description of why and when this element will no longer be used
{"type": "string"}
meta.schema.json
deprecated_element_has_exact_replacement
When an element is deprecated, it can be automatically replaced by this uri or curie
{"type": "string"}
meta.schema.json
deprecated_element_has_possible_replacement
When an element is deprecated, it can be potentially replaced by this uri or curie
{"type": "string"}
meta.schema.json
description
a textual description of the element's purpose and use
{"type": "string"}
meta.schema.json
emit_prefixes
a list of Curie prefixes that are used in the representation of instances of the model. All prefixes in this list are added to the prefix sections of the target models.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
enums
An index to the collection of all enum definitions in the schema
{"additionalProperties": {"anyOf": [{}, {"type": "null"}]}, "type": "object"}
meta.schema.json
exact_mappings
A list of terms from different schemas or terminology systems that have identical meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
examples
example usages of an element
{"items": {}, "type": "array"}
meta.schema.json
extensions
a tag/text tuple attached to an arbitrary element
{"additionalProperties": {}, "type": "object"}
meta.schema.json
from_schema
id of the schema that defined the element
{"type": "string"}
meta.schema.json
generation_date
date and time that the schema was loaded/generated
{"format": "date-time", "type": "string"}
meta.schema.json
id
The official schema URI
{"type": "string"}
meta.schema.json
id_prefixes
An allowed list of prefixes for which identifiers must conform. The identifier of this class or slot must begin with the URIs referenced by this prefix
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
implements
An element in another schema which this element conforms to. The referenced element is not imported into the schema for the implementing element. However, the referenced schema may be used to check conformance of the implementing element.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
imported_from
the imports entry that this element was derived from. Empty means primary source
{"type": "string"}
meta.schema.json
imports
A list of schemas that are to be included in this schema
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
in_language
the primary language used in the sources
{"type": "string"}
meta.schema.json
in_subset
used to indicate membership of a term in a defined subset of terms used for a particular domain or application.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
instantiates
An element in another schema which this element instantiates.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
keywords
Keywords or tags used to describe the element
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
last_updated_on
time at which the element was last updated
{"format": "date-time", "type": "string"}
meta.schema.json
license
license for the schema
{"type": "string"}
meta.schema.json
additionalProperties
a name assigned to an element in a given ontology
{"type": "string"}
meta.schema.json
mappings
A list of terms from different schemas or terminology systems that have comparable meaning. These may include terms that are precisely equivalent, broader or narrower in meaning, or otherwise semantically related but not equivalent from a strict ontological perspective.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
metamodel_version
Version of the metamodel used to load the schema
{"type": "string"}
meta.schema.json
modified_by
agent that modified the element
{"type": "string"}
meta.schema.json
name
a unique name for the schema that is both human-readable and consists of only characters from the NCName set
{"type": "string"}
meta.schema.json
narrow_mappings
A list of terms from different schemas or terminology systems that have narrower meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
notes
editorial notes about an element intended primarily for internal consumption
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
prefixes
A collection of prefix expansions that specify how CURIEs can be expanded to URIs
{"additionalProperties": {"anyOf": [{}, {"type": "string"}]}, "type": "object"}
meta.schema.json
additionalProperties
The namespace to which a prefix expands to.
{"type": "string"}
meta.schema.json
rank
the relative order in which the element occurs, lower values are given precedence
{"type": "integer"}
meta.schema.json
related_mappings
A list of terms from different schemas or terminology systems that have related meaning.
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
see_also
A list of related entities or URLs that may be of relevance
{"items": {"type": "string"}, "type": "array"}
meta.schema.json
settings
A collection of global variable settings
{"additionalProperties": {"anyOf": [{}, {"type": "string"}]}, "type": "object"}
meta.schema.json
additionalProperties
The value assigned for a setting
{"type": "string"}
meta.schema.json
slot_names_unique
if true then induced/mangled slot names are not created for class_usage and attributes
{"type": "boolean"}
meta.schema.json
slots
An index to the collection of all slot definitions in the schema
{"additionalProperties": {"anyOf": [{}, {"type": "null"}]}, "type": "object"}
meta.schema.json
source
A related resource from which the element is derived.
{"type": "string"}
meta.schema.json
source_file
name, uri or description of the source of the schema
{"type": "string"}
meta.schema.json
source_file_date
modification date of the source of the schema
{"format": "date-time", "type": "string"}
meta.schema.json
source_file_size
size in bytes of the source of the schema
{"type": "integer"}
meta.schema.json
status
status of the element
{"type": "string"}
meta.schema.json
structured_aliases
A list of structured_alias objects, used to provide aliases in conjunction with additional metadata.
{"items": {}, "type": "array"}