A logical entity definition may reference (reuse) other object definitions to better organize or factor a data model. For example, an entity may extend another entity, include entity-typed attributes, ...
This is a basic example for a content entity in Drupal 8 There is this documentation on Drupal.org for a basic content entity: https://www.drupal.org/docs/8/api ...
The knowledge graph creation process is called indexing. An LLM, guided by a set of domain-specific prompts, reads all the source content and extracts the relevant information, including entities and ...