@conference {XPTO,
	title = {{XPTO} - An {Xpath} Preprocessor with Type-aware Optimization},
	booktitle = {Proceedings of the Conference on Compilers, Related Technologies and Applications (CORTA 2007)},
	year = {2007},
	note = {n/a},
	publisher = {University of Beira Interior},
	organization = {University of Beira Interior},
	abstract = {n/a},
	url = {publications/corta07.pdf},
	author = {Ferreira, F. and Hugo Pacheco}
}