@InProceedings{gao_et_al:LIPIcs.ESA.2022.59,
  author =	{Gao, Younan and He, Meng},
  title =	{{Faster Path Queries in Colored Trees via Sparse Matrix Multiplication and Min-Plus Product}},
  booktitle =	{30th Annual European Symposium on Algorithms (ESA 2022)},
  pages =	{59:1--59:15},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-247-1},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{244},
  editor =	{Chechik, Shiri and Navarro, Gonzalo and Rotenberg, Eva and Herman, Grzegorz},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ESA.2022.59},
  URN =		{urn:nbn:de:0030-drops-169971},
  doi =		{10.4230/LIPIcs.ESA.2022.59},
  annote =	{Keywords: min-plus product, range mode queries, range least frequent queries, path queries, colored path counting, path mode queries, path least frequent queries}
}