@article {3557,
	title = {Generating Efficient Execution Plans for Vertically Partitioned XML Databases},
	journal = {Proceedings of the VLDB Endowment (PVLDB)},
	volume = {4},
	year = {2010},
	pages = {1--11},
	doi = {10.14778/1880172.1880173},
	url = {http://www.vldb.org/pvldb/vol4/p1-kling.pdf},
	author = {Patrick Kling and Tamer Ozsu and Khuzaima Daudjee}
}
