José Manuél Gómez-Pérez V. Richard Benjamins Mercedes Blázquez Jesús Contreras María Fernández Diego Patón Luis Rodrigo Intelligent Search Engine For Online Access To Municipal Services. 75-93 2007 conf/swb/2007rwai The Semantic Web: Real-World Applications from Industry http://dx.doi.org/10.1007/978-0-387-48531-7_4 db/conf/swb/rwai2007.html#Gomez-PerezBBCFPR07