@article {3807,
	title = {Navigating Information Spaces: A Case Study of Related Article Search In PubMed},
	journal = {Information Processing and Management},
	volume = {44},
	year = {2008},
	pages = {1771--1783},
	doi = {10.1016/j.ipm.2008.04.002},
	author = {Jimmy Lin and Michael DiCuccio and Vahan Grigoryan and W. John Wilbur}
}
