@ARTICLE {
        BGBNPisci19,
	AUTHOR = "N. Brisaboa and A. G{\'o}mez-Brand{\'o}n and G. Navarro
		  and J. Param{\'a}",
	TITLE = "GraCT: A Grammar-based Compressed Index for Trajectory Data",
	JOURNAL = "Information Sciences",
	VOLUME= 483,
	PAGES = "106--135",
        YEAR = 2019,
        }