What is a knowledge graph - Pokémon edition
Pieter Heyvaert,
Dev,
Jan 29, 2020
Based on the presentation here, a knowledge graph is a collection of linked triples, where a triple is a statemen t of the form subject-verb-object. The knowledge graph also includes what type of thing a thing is (subject-is-type) or what properties the thing has (subject-has-property). While I appreciate the intent, the issue for me with knowledge graphs (and RDF-type structures generally) is that they're expressively very limited. For example, when expressing a popositional attitude, like a belief, the triple format doesn't really work, because the object is itself a triple (John-believes-"subject-verb-object"). Similarly, for statements of likelyhood or modality, a complex structure is required. Then we have conditionals (if-"subject-verb-object"-then-"subject-verb-object") and really, you're just using language, and all the RDF structure and syntax isn't really adding anything.
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