Saartje Brockmans Peter Haase Luciano Serafini Heiner Stuckenschmidt Formal and Conceptual Comparison of Ontology Mapping Languages. 267-291 2009 Modular Ontologies http://dx.doi.org/10.1007/978-3-642-01907-4_13 series/lncs/5445 db/series/lncs/lncs5445.html#BrockmansHSS09