@article {bogornyIJGIS2009,
	author = {Vania Bogorny and Bart Kuijpers and Luis Otavio Alvares},
	title = {ST-DMQL: A Semantic Trajectory Data Mining Query Language},
	journal = {International Journal of Geographical Information Science},
	year = {2009},
	pages = {1245-1276},
      editor = {Taylor & Francis},
      volume    = {23},
      number    = {10},
}