2020
A Journey into Ontology Approximation: From Non-Horn to Horn
IJCAI 2020poster
We study complete approximations of an ontology formulated in a non-Horn description logic (DL) such as ALC in a Horn DL such as EL. We provide concrete approximation schemes that are necessarily infinite and observe that in the ELU-to-EL case finite approximations tend to exist in pract…