@article {li2019information,
	title = {Information resource, interface, and tasks as user interaction components for digital library evaluation},
	journal = {Information Processing \&amp; Management},
	volume = {56},
	number = {3},
	year = {2019},
	pages = {704{\textendash}720},
	publisher = {Pergamon},
	author = {Li, Yuelin and Chang Liu}
}
