Polygraph
A polygraph signature, $π$, is given by a set of objects, $π_{\mathrm{obj}}$, and a set of polyedges $π(Xβ,…,Xβ; Yβ,…,Yβ)$ for every two lists of objects $Xβ,…,X_n β π_{\mathrm{obj}}$.
References
Context: signature.