Semantic Web for the Working Ontologist, 2nd Edition

Publisher Summary

OWL 2 was designed to be fully backward compatible with version 1.0. That means that any valid OWL 1.0 model is also a valid model in OWL 2. But more importantly, it means that all the styles of modeling that we learned for OWL 1.0 are still valid for OWL 2. The new constructs in OWL 2 can be used in conjunction with all the models. OWL 2 includes a precise description of four subsets of the OWL language identified for various practical technological reasons, often having to do with how OWL relates to other technology. The four subsets are called OWL 2 EL, OWL 2 QL, OWL 2 RL, and OWL 2 DL. The chapter describes each subset and the rationale for why it has been identified and named. OWL should be considered a living language, ...