What is a Knowledge Graph?
Explore the fundamentals of knowledge graphs, including their definition, multi-relational structure, and large-scale examples. Understand the importance of triples as the core building blocks and how RDF, ontology, and semantics work together to represent and interpret knowledge within these graphs.
Definition
Knowledge graphs are a huge collection of facts. They allow the storage of information about sports, TV shows, places, people, and so on. These types of graphs are multi-relational.
Differences between knowledge graphs and other graphs
Knowledge graphs are just like any other graph, but they're huge in size. They can consist of millions of nodes and edges. Normally, the term knowledge graph is used a bit vaguely. Broadly speaking, there's no fixed definition for a knowledge graph, and we can call any sizeable graph holding some knowledge or important information a knowledge graph.
Some very popular knowledge graphs include the following:
Google Knowledge Graph with 500 billion facts and 5 billion entities.
Amazon Product Graph.
Open-source knowledge graphs like DBpedia, and Wikidata.
So, what are the ...