@inproceedings{franketal:2005, author = "Frank, Anette and Krieger, Hans-Ulrich and Xu, Feiyu and Uszkoreit, Hans and Crysmann, Berthold and Jörg, Brigitte and Schäfer, Ulrich", title = "{Querying Structured Knowledge Sources}", year = "2005", url = "http://www.cl.uni-heidelberg.de/\textasciitilde frank/papers/ws1305FrankA.pdf", booktitle = "Proceedings of AAAI-05 and Workshop on Question Answering in Restricted Domains", address = "Pittsburgh, Pennsylvania", pages = "{10-19}" }