# Slot: ancestor_id _the most recent common ancestor of the two compared entities. If there are multiple MRCAs then the most informative one is selected_ URI: [sim:ancestor_id](https://w3id.org/linkml/similarity/ancestor_id) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [TermPairwiseSimilarity](TermPairwiseSimilarity.md) | A simple pairwise similarity between two atomic concepts/terms | no | ## Properties * Range: [Uriorcurie](Uriorcurie.md) ## TODOs * decide on what to do when there are multiple possible ancestos ## Identifier and Mapping Information ### Schema Source * from schema: https://w3id.org/oak/similarity ## LinkML Source
```yaml name: ancestor_id description: the most recent common ancestor of the two compared entities. If there are multiple MRCAs then the most informative one is selected todos: - decide on what to do when there are multiple possible ancestos from_schema: https://w3id.org/oak/similarity rank: 1000 alias: ancestor_id domain_of: - TermPairwiseSimilarity range: uriorcurie ```