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Formal Semantics

The heart of the knowledge graph is a knowledge model: a collection of interlinked descriptions of concepts, entities, relationships and events.

  • Descriptions have formal semantics that allow both people and computers to process them in an efficient and unambiguous manner;
  • Descriptions contribute to one another, forming a network, where each entity represents part of the description of the entities related to it;
  • Diverse data is connected and described by semantic metadata according to the knowledge model.

GraphQL API technical overview

GraphQL APIs expose Optimizely Content Management System (CMS) data as a graph-based data structure you can query from a single endpoint. GraphQL organizes graph data into types and fields. GraphQL uses types to ensure querying applications (apps) ask for only what is available.

The GraphQL API generates a GraphQL schema based on the content that was synchronized from your site. Each site has its own schema, based on the content types you configured in CMS. You need a public key to access the schema and content via the API. When Optimizely Support creates your service account in the cloud, you receive a public key that gives read-only access to the content in your Optimizely Content Graph.

Published content becomes available in near real-time for searches and queries.