@InProceedings{he_et_al:LIPIcs.CPM.2021.15,
  author =	{He, Meng and Kazi, Serikzhan},
  title =	{{Data Structures for Categorical Path Counting Queries}},
  booktitle =	{32nd Annual Symposium on Combinatorial Pattern Matching (CPM 2021)},
  pages =	{15:1--15:17},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-186-3},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{191},
  editor =	{Gawrychowski, Pawe{\l} and Starikovskaya, Tatiana},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CPM.2021.15},
  URN =		{urn:nbn:de:0030-drops-139662},
  doi =		{10.4230/LIPIcs.CPM.2021.15},
  annote =	{Keywords: data structures, weighted trees, path queries, categorical queries, coloured queries, categorical path counting, categorical path range counting}
}