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What are the main components of a knowledge graph?

Created on 2025-06-20 17:48:43
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The main components of a knowledge graph include:

  1. Entities: These are the objects or concepts in the graph, such as people, places, organizations, or products. For example, "Apple" (company) or "iPhone" (product).

  2. Relationships: These define how entities are connected. For instance, "Apple" (company) manufactures "iPhone" (product).

  3. Attributes: These describe properties of entities. For example, "iPhone" may have attributes like "release year: 2023" or "price: $999".

  4. Ontology/Taxonomy: This is the structured framework that defines the types of entities and relationships, ensuring consistency. For example, a taxonomy might classify "Apple" as an "Organization" and "iPhone" as a "Consumer Electronics Product".

Example: In a knowledge graph about smartphones:

  • Entities: "Apple", "Samsung", "iPhone 15", "Galaxy S23"
  • Relationships: "Apple" produces "iPhone 15", "Samsung" produces "Galaxy S23"
  • Attributes: "iPhone 15" has RAM: 8GB, Storage: 128GB

For building or managing knowledge graphs, Tencent Cloud offers services like Tencent Knowledge Graph (TKG), which helps in structuring and analyzing complex relationships across data.