Data and entities

Entity identifier

Also known as: entity ID · @id

A stable identifier for referring to the same object in multiple places.

A practical example

Product data references its manufacturer's identifier.

What should I know?

Two different entities should not share one identity.

Data and entities in practice

First identify the object you're describing and your evidence. A product, offer, brand, and seller may need separate identifiers. Machine-readable data should match information customers can see and understand.

Related Semly features

See where this concept applies when working with Semly.

Semly Knowledge BasePublish structured company and product information in a Semly-hosted knowledge base.Websites for AI agentsShare structured company knowledge and inquiry forms through an agent channel.

Related terms

EntityAn identifiable object or concept, such as a company, person, product, or place.JSON-LDA JSON-based linked data format, often used for schema.org information on websites.sameAsA property pointing to a URL representing the same identity, such as an official organization profile.

Documentation and further reading

Definition prepared by Semly. Standards and behavior are described by their creators:

Find out if AI ChatGPTGeminiClaudeGoogle AI OverviewsGoogle AI Mode can see you

Enter your website address to get your AI visibility report.