@book{503676,
	author = {Catania, Barbara,},
	title = {Advanced query processing /},
	publisher = {Springer,},
	year = {2013-},
	series = {Intelligent systems reference library,},
	address = {Berlin ;},
	url = {https://link.springer.com/content/pdf/10.1007/978-3-642-28323-9}
}