@article {3857,
	title = {DistanceJoin: Pattern Match Query in a Large Graph Database},
	journal = {Proceedings of the VLDB Endowment (PVLDB)},
	volume = {2},
	year = {2009},
	pages = {886--897},
	doi = {10.14778/1687627.1687727},
	url = {http://www.vldb.org/pvldb/vol2/vldb09-876.pdf},
	author = {Lei Zou and Lei Chen and Tamer Ozsu}
}
