Ernesto Jiménez-Ruiz Rafael Berlanga Llavori Victoria Nebot Ismael Sanz OntoPath: A Language for Retrieving Ontology Fragments. 897-914 2007 conf/otm/2007-1 OTM Conferences (1) http://dx.doi.org/10.1007/978-3-540-76848-7_60 db/conf/otm/otm2007-1.html#Jimenez-RuizBNS07