Network operations include common tasks like addition or removal of edges or nodes, provided by the following functions (see Figure . More advanced network algorithms may be built using the provided NetworkPlanners and tools in order to build up structures that take multiple aspects into account via the Clusterer classes. Molecules can be separated by their properties into clusters, which then can be used to build up subnetworks focusing on one aspect of the molecules. In a second step the subnetworks can be connected again focusing on another aspect for example (b).