@inbook {keenan2017spatialinfrastructure,
	title = {Spatial Data: Market and Infrastructure},
	booktitle = {Encyclopedia of GIS},
	year = {2017},
	pages = {2003{\textendash}2010},
	publisher = {Springer International Publishing},
	organization = {Springer International Publishing},
	isbn = {9783319178844},
	doi = {10.1007/978-3-319-17885-1_755},
	author = {Keenan, P and Miscione, G}
}
