@article {4010,
	title = {Selection of Indexes to Memory-Resident Entities for Semantic Data Models},
	journal = {IEEE Transactions on Knowledge and Data Engineering (TKDE)},
	volume = {1},
	year = {1989},
	pages = {274--284},
	doi = {10.1109/69.87966},
	author = {Grant Weddell}
}
