@InProceedings{goranci_et_al:LIPIcs.ESA.2017.44,
  author =	{Goranci, Gramoz and Henzinger, Monika and Peng, Pan},
  title =	{{Improved Guarantees for Vertex Sparsification in Planar Graphs}},
  booktitle =	{25th Annual European Symposium on Algorithms (ESA 2017)},
  pages =	{44:1--44:14},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-049-1},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{87},
  editor =	{Pruhs, Kirk and Sohler, Christian},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ESA.2017.44},
  URN =		{urn:nbn:de:0030-drops-78337},
  doi =		{10.4230/LIPIcs.ESA.2017.44},
  annote =	{Keywords: Vertex Sparsification, Graph Sparsification, Planar Graphs, Metric Embedding, Reachability}
}