@inbook {181324,
	title = {A Survey of Recommender Systems and Geographical Recommendation Techniques},
	booktitle = {GIS Applications in the Tourism and Hospitality Industry},
	year = {2018},
	publisher = {IGI Global},
	organization = {IGI Global},
	author = {Soliman, Khalid M and Mahmood A. Mahmood and Hesham A. Hefny}
}
