@article {3893,
	title = {Query Optimization and Execution Plan Generation in Object-Oriented Data Management Systems},
	journal = {IEEE Transactions on Knowledge and Data Engineering (TKDE)},
	volume = {7},
	year = {1995},
	pages = {210--227},
	doi = {10.1109/69.382293},
	author = {Dave D. Straube and Tamer Ozsu}
}
