@conference {Gong2010,
	title = {Structural hierarchy of spatial knowledge based on landmarks and its application in locality descriptions},
	booktitle = {2010 18th International Conference on Geoinformatics, Geoinformatics 2010},
	year = {2010},
	note = {施引文献 2},
	doi = {10.1109/GEOINFORMATICS.2010.5567818},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77958048927\&partnerID=40\&md5=d4787353ec279408a352af75c2833181},
	author = {Gong, Y. and Y. Liu and J. Yang and G. Li}
}
