@inproceedings{SAC-2009-GroppeNL,
	author        = "Sven Groppe and Jana Neumann and Volker Linnemann",
	booktitle     = "{Proceedings of the 24th Symposium on Applied Computing}",
	doi           = "10.1145/1529282.1529561",
	editor        = "Sung Y. Shin and Sascha Ossowski",
	isbn          = "978-1-60558-166-8",
	pages         = "1239--1246",
	publisher     = "{ACM}",
	title         = "{SWOBE — embedding the semantic web languages RDF, SPARQL and SPARUL into java for guaranteeing type safety, for checking the satisfiability of queries and for the determination of query result types}",
	year          = 2009,
}