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| === Structure === | | === Structure === |
| Each term section | | Each term section |
− | The taxonomy is not a strict hierarchy: values can have multiple parents. But cycles are not allowed. | + | |
| + | The taxonomy is not a strict hierarchy: values can have multiple parents. But cycles are not allowed. Formally it can be seen as a [https://en.wikipedia.org/wiki/Directed_acyclic_graph Directed Acyclic Graph]. |
| | | |
| == Implementation == | | == Implementation == |