@article {33,
	title = {Semantic retrieval and ranking of Semantic Web documents using free-form queries},
	journal = {Int. J. Metadata, Semantics and Ontologies},
	volume = {3},
	year = {2008},
	month = {00/ 2008},
	pages = {92-108},
	publisher = {Inderscience Publishers},
	type = {Ontology Engineering},
	doi = {10.1504/IJMSO.2008.021888},
	author = {V. Spiliopoulos and K. Kotis and G. Vouros}
}
