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. 2022 May 26;17:12. doi: 10.1186/s13015-022-00217-9

Fig. 1.

Fig. 1

Hyperedge. A hyperedge e with tail(e)={v1,,vk} and head(e)={w1,,w}. To use e in a hyperpath P, every vertex vitail(e) must have a preceding hyperedge f in P with vihead(f)