                          alt="W \subseteq T \times V"/>
                        a set of temporal nodes, and <img class="math"
                                                          src="../_images/math/8402620e7b842456758bdc3de6931fe803a72a83.png"
                                                          alt="E \subseteq T \times V \otimes V"/> a set of links such
                        that <img class="math" src="../_images/math/6f6d5013ac2a0bc1567794bbf577cdebd42afc9a.png"
                          