@article{EndrissGrandiAIJ2017,
  author =        {Ulle Endriss and Umberto Grandi},
  title =         {Graph Aggregation},
  journal =       {Artificial Intelligence},
  volume =        {245},
  pages =         {86--114},
  year =          {2017},
  doi =           {10.1016/j.artint.2017.01.001}
}