In some cases, reuse is faster than publication and authors reuse parts of preprint publications usually made available through arXiv. We would like to represent this kind of reuse in the graph and in the "top five"-lists
WebAPI client
Add nodes for arXiv papers to the graph (maybe in a slightly different color
Add edges from published papers to arXiv nodes
Add a filter criterion to deactivate arXiv nodes and edges in the graph