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Signs & Symptoms of Dextromethorphan Exposure from YouTube

Figure 3

Example WordNet hierarchy.

Spreading out from the root concept of drugs are progressive refinements or hyponyms. Counting each path as 1 and starting from the root node, Drugs, one may calculate the path similarity of any two concepts (see text).

Figure 3

doi: https://doi.org/10.1371/journal.pone.0082452.g003