@article {16061,
	title = {Querying timestamped event sequences by exact search or similarity-based search: design and empirical evaluation},
	volume = {HCIL-2009-20},
	year = {2009},
	month = {2009///},
	institution = {Human-Computer Interaction Lab, University of Maryland},
	author = {Wongsuphasawat,K. and Plaisant, Catherine and Shneiderman, Ben}
}
