Paper  bibtex   

@inproceedings{kantere_querying_2004,
	title = {Querying structured data in an unstructured {P2P} system},
	isbn = {1-58113-978-0},
	url = {http://doi.acm.org/10.1145/1031453.1031466},
	urldate = {2014-05-25},
	booktitle = {Sixth {ACM} {CIKM} International Workshop on Web Information and Data Management ({WIDM} 2004), Washington, {DC}, {USA}, November 12-13, 2004},
	publisher = {{ACM}},
	author = {Kantere, Verena and Tsoumakos, Dimitrios and Roussopoulos, Nick},
	year = {2004},
	pages = {64--71}
}