@inproceedings{usingpositionalsuffixtreestoperform,
  title = {Using Positional Suffix Trees to Perform Agile Tree Kernel Calculation},
  author = {Gustavo Henrique Paetzold},
  year = {2015},
  booktitle = {WS 2015 5},
  url = {https://aclanthology.org/W15-1835},
}