@inproceedings{aaai2017Sun,
	author          = {Zhu Sun and Jie Yang and Jie Zhang and Alessandro Bozzon},
	title           = {Exploiting both Vertical and Horizontal Dimensions of Feature Hierarchy for Effective Recommendation},
	booktitle       = {Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17)},
	publisher       = {AAAI},
	year            = {2017},
	pages           = {189 -- 195},
	location        = {San Francisco, CA, USA},
	url             = {http://aaai.org/ocs/index.php/AAAI/AAAI17/paper/view/14679},
	topic           = {Information Retrieval},
	group           = {WIS}
}