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A team released an open-source knowledge graph covering 8 subjects in elementary school with 1,590 concepts and 3,221 connections, aligned with US NGSS, Common Core, and UK DfE curriculum standards.
Introduces a knowledge graph visualization method with a time dimension, used to display 1,590 concepts and 3,221 connections learned by elementary school students, spanning 8 subjects, effectively compensating for the inability of traditional knowledge graphs to show timeline information.