@InProceedings{fertin_et_al:LIPIcs.CPM.2018.17,
  author =	{Fertin, Guillaume and Fradin, Julien and Komusiewicz, Christian},
  title =	{{On the Maximum Colorful Arborescence Problem and Color Hierarchy Graph Structure}},
  booktitle =	{29th Annual Symposium on Combinatorial Pattern Matching (CPM 2018)},
  pages =	{17:1--17:15},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-074-3},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{105},
  editor =	{Navarro, Gonzalo and Sankoff, David and Zhu, Binhai},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CPM.2018.17},
  URN =		{urn:nbn:de:0030-drops-86939},
  doi =		{10.4230/LIPIcs.CPM.2018.17},
  annote =	{Keywords: Subgraph problem, computational complexity, algorithms, fixed-parameter tractability, kernelization}
}