Unique identifier for the OWL 2 RL Profile.

'http://www.w3.org/ns/owl-profile/RL' is the URI. The specification for the OWL 2 RL Profile is part of the the OWL 2 W3C Recommendation.

For more information about OWL, please refer to the the OWL 2 Document Overview Recommendation.

Ivan Herman, ivan@w3.org, W3C, Semantic Web Activity Lead, 2010-05-03