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| # LinkML Map Data Model | ||
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| Datamodel for LinkML schema mappings and transformations. | ||
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| A mapper generates instances of a *target* data model from | ||
| instances of a *source* data model. This transformation process | ||
| is guided by a *TransformationSpecification*. | ||
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| The specification is independent of any one method for transforming | ||
| data. It allows different approaches, including: | ||
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| - direct implementation, transforming python or json objects | ||
| - translation of the specification into SQL commands, to operate on relations | ||
| - translation of the specification into SPARQL CONSTRUCTs, to operate on triples | ||
| - translation into another specification language, such as R2RML | ||
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| URI: https://w3id.org/linkml/transformer | ||
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| Name: linkml-map | ||
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| ## Classes | ||
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| | Class | Description | | ||
| | --- | --- | | ||
| | [AliasedClass](AliasedClass.md) | alias-class key value pairs for classes | | ||
| | [Any](Any.md) | None | | ||
| | [CopyDirective](CopyDirective.md) | Instructs a Schema Mapper in how to map to a target schema. Not used for data transformation. | | ||
| | [Inverse](Inverse.md) | Used for back references in mapping to relational model | | ||
| | [KeyVal](KeyVal.md) | None | | ||
| | [SpecificationComponent](SpecificationComponent.md) | None | | ||
| | [ElementDerivation](ElementDerivation.md) | An abstract grouping for classes that provide a specification of how to derive a target element from a source element. | | ||
| | [ClassDerivation](ClassDerivation.md) | A specification of how to derive a target class from a source class. | | ||
| | [EnumDerivation](EnumDerivation.md) | A specification of how to derive the value of a target enum from a source enum | | ||
| | [PermissibleValueDerivation](PermissibleValueDerivation.md) | A specification of how to derive the value of a PV from a source enum | | ||
| | [PrefixDerivation](PrefixDerivation.md) | None | | ||
| | [SlotDerivation](SlotDerivation.md) | A specification of how to derive the value of a target slot from a source slot | | ||
| | [TransformationSpecification](TransformationSpecification.md) | A collection of mappings between source and target classes | | ||
| | [StringificationConfiguration](StringificationConfiguration.md) | None | | ||
| | [UnitConversionConfiguration](UnitConversionConfiguration.md) | None | | ||
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| ## Slots | ||
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| | Slot | Description | | ||
| | --- | --- | | ||
| | [add](add.md) | | | ||
| | [alias](alias.md) | name of the class to be aliased | | ||
| | [cast_collection_as](cast_collection_as.md) | | | ||
| | [class_derivations](class_derivations.md) | Instructions on how to derive a set of classes in the target schema from clas... | | ||
| | [class_name](class_name.md) | | | ||
| | [class_named](class_named.md) | local alias for the class | | ||
| | [comments](comments.md) | A list of comments about this component | | ||
| | [copy_all](copy_all.md) | | | ||
| | [copy_directives](copy_directives.md) | | | ||
| | [delimiter](delimiter.md) | | | ||
| | [derived_from](derived_from.md) | Source slots that are used to derive this slot | | ||
| | [description](description.md) | description of the specification component | | ||
| | [dictionary_key](dictionary_key.md) | | | ||
| | [element_name](element_name.md) | | | ||
| | [enum_derivations](enum_derivations.md) | Instructions on how to derive a set of enums in the target schema | | ||
| | [exclude](exclude.md) | | | ||
| | [exclude_all](exclude_all.md) | | | ||
| | [expr](expr.md) | An expression to be evaluated on the source object to derive the target slot | | ||
| | [expression_to_expression_mappings](expression_to_expression_mappings.md) | A mapping table in which the keys and values are expressions | | ||
| | [expression_to_value_mappings](expression_to_value_mappings.md) | A mapping table in which the keys are expressions | | ||
| | [hide](hide.md) | True if this is suppressed | | ||
| | [id](id.md) | Unique identifier for this transformation specification | | ||
| | [implements](implements.md) | A reference to a specification that this component implements | | ||
| | [include](include.md) | | | ||
| | [inverse_of](inverse_of.md) | Used to specify a class-slot tuple that is the inverse of the derived/target ... | | ||
| | [is_a](is_a.md) | | | ||
| | [joins](joins.md) | Additional classes to be joined to derive instances of the target class | | ||
| | [key](key.md) | | | ||
| | [mirror_source](mirror_source.md) | | | ||
| | [mixins](mixins.md) | | | ||
| | [name](name.md) | Name of the element in the target schema | | ||
| | [over_slots](over_slots.md) | | | ||
| | [overrides](overrides.md) | overrides source schema slots | | ||
| | [permissible_value_derivations](permissible_value_derivations.md) | Instructions on how to derive a set of PVs in the target schema | | ||
| | [populated_from](populated_from.md) | Name of the class in the source schema | | ||
| | [prefixes](prefixes.md) | maps prefixes to URL expansions | | ||
| | [range](range.md) | | | ||
| | [reversed](reversed.md) | | | ||
| | [slot_derivations](slot_derivations.md) | Instructions on how to derive a set of top level slots in the target schema | | ||
| | [slot_name](slot_name.md) | | | ||
| | [source_magnitude_slot](source_magnitude_slot.md) | | | ||
| | [source_schema](source_schema.md) | name of the schema that describes the source (input) objects | | ||
| | [source_unit](source_unit.md) | | | ||
| | [source_unit_scheme](source_unit_scheme.md) | | | ||
| | [source_unit_slot](source_unit_slot.md) | | | ||
| | [sources](sources.md) | | | ||
| | [stringification](stringification.md) | | | ||
| | [syntax](syntax.md) | | | ||
| | [target_magnitude_slot](target_magnitude_slot.md) | | | ||
| | [target_schema](target_schema.md) | name of the schema that describes the target (output) objects | | ||
| | [target_unit](target_unit.md) | | | ||
| | [target_unit_scheme](target_unit_scheme.md) | | | ||
| | [target_unit_slot](target_unit_slot.md) | | | ||
| | [title](title.md) | human readable title for this transformation specification | | ||
| | [type_designator](type_designator.md) | | | ||
| | [unit_conversion](unit_conversion.md) | | | ||
| | [value](value.md) | | | ||
| | [value_mappings](value_mappings.md) | A mapping table that is applied directly to mappings, in order of precedence | | ||
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| ## Enumerations | ||
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| | Enumeration | Description | | ||
| | --- | --- | | ||
| | [CollectionType](CollectionType.md) | | | ||
| | [SerializationSyntaxType](SerializationSyntaxType.md) | | | ||
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| ## Types | ||
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| | Type | Description | | ||
| | --- | --- | | ||
| | [Boolean](Boolean.md) | A binary (true or false) value | | ||
| | [ClassReference](ClassReference.md) | | | ||
| | [Curie](Curie.md) | a compact URI | | ||
| | [Date](Date.md) | a date (year, month and day) in an idealized calendar | | ||
| | [DateOrDatetime](DateOrDatetime.md) | Either a date or a datetime | | ||
| | [Datetime](Datetime.md) | The combination of a date and time | | ||
| | [Decimal](Decimal.md) | A real number with arbitrary precision that conforms to the xsd:decimal speci... | | ||
| | [Double](Double.md) | A real number that conforms to the xsd:double specification | | ||
| | [EnumReference](EnumReference.md) | | | ||
| | [Float](Float.md) | A real number that conforms to the xsd:float specification | | ||
| | [Integer](Integer.md) | An integer | | ||
| | [Jsonpath](Jsonpath.md) | A string encoding a JSON Path | | ||
| | [Jsonpointer](Jsonpointer.md) | A string encoding a JSON Pointer | | ||
| | [Ncname](Ncname.md) | Prefix part of CURIE | | ||
| | [Nodeidentifier](Nodeidentifier.md) | A URI, CURIE or BNODE that represents a node in a model | | ||
| | [Objectidentifier](Objectidentifier.md) | A URI or CURIE that represents an object in the model | | ||
| | [SlotReference](SlotReference.md) | | | ||
| | [Sparqlpath](Sparqlpath.md) | A string encoding a SPARQL Property Path | | ||
| | [String](String.md) | A character string | | ||
| | [Time](Time.md) | A time object represents a (local) time of day, independent of any particular... | | ||
| | [Uri](Uri.md) | a complete URI | | ||
| | [Uriorcurie](Uriorcurie.md) | a URI or a CURIE | | ||
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| ## Subsets | ||
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| | Subset | Description | | ||
| | --- | --- | |