# Class: LexicalIndex
_An index over an ontology keyed by lexical unit_
URI: [ontolexindex:LexicalIndex](https://w3id.org/oak/lexical-index/LexicalIndex)
```{mermaid}
classDiagram
class LexicalIndex
click LexicalIndex href "../LexicalIndex"
LexicalIndex : groupings
LexicalIndex --> "*" LexicalGrouping : groupings
click LexicalGrouping href "../LexicalGrouping"
LexicalIndex : pipelines
LexicalIndex --> "*" LexicalTransformationPipeline : pipelines
click LexicalTransformationPipeline href "../LexicalTransformationPipeline"
```
## Slots
| Name | Cardinality and Range | Description | Inheritance |
| --- | --- | --- | --- |
| [groupings](groupings.md) | *
[LexicalGrouping](LexicalGrouping.md) | all groupings | direct |
| [pipelines](pipelines.md) | *
[LexicalTransformationPipeline](LexicalTransformationPipeline.md) | all pipelines used to build the index | direct |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/oak/lexical-index
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | ontolexindex:LexicalIndex |
| native | ontolexindex:LexicalIndex |
## LinkML Source
### Direct
```yaml
name: LexicalIndex
description: An index over an ontology keyed by lexical unit
from_schema: https://w3id.org/oak/lexical-index
attributes:
groupings:
name: groupings
description: all groupings
from_schema: https://w3id.org/oak/lexical-index
rank: 1000
domain_of:
- LexicalIndex
range: LexicalGrouping
multivalued: true
inlined: true
pipelines:
name: pipelines
description: all pipelines used to build the index
from_schema: https://w3id.org/oak/lexical-index
rank: 1000
domain_of:
- LexicalIndex
range: LexicalTransformationPipeline
multivalued: true
inlined: true
```
### Induced
```yaml
name: LexicalIndex
description: An index over an ontology keyed by lexical unit
from_schema: https://w3id.org/oak/lexical-index
attributes:
groupings:
name: groupings
description: all groupings
from_schema: https://w3id.org/oak/lexical-index
rank: 1000
alias: groupings
owner: LexicalIndex
domain_of:
- LexicalIndex
range: LexicalGrouping
multivalued: true
inlined: true
pipelines:
name: pipelines
description: all pipelines used to build the index
from_schema: https://w3id.org/oak/lexical-index
rank: 1000
alias: pipelines
owner: LexicalIndex
domain_of:
- LexicalIndex
range: LexicalTransformationPipeline
multivalued: true
inlined: true
```