OWL'nin, artırılmış açıklayıcılık, daha basit bir veri modeli ve serializasyon, ve bir dizi iyi tanımlanmış alt diller içeren, genişletilmiş bir versiyonu,(bazen [http://owl1_1.cs.manchester.ac.uk/ OWL 1.1] olarak da anılmaktadır, fakat resmileşmiş değildir) sunulmuştur.
==Dış linkler==
* [http://www.w3.org/TR/owl-features/ OWL Web Ontology Language Overview] at W3C
* [http://www.w3.org/TR/owl-guide/ OWL Web Ontology Language Guide] at W3C
* [http://www.w3.org/TR/owl-ref/ OWL Web Ontology Language Reference] at W3C
* [http://www.visualmodeling.com/VisualOWL.htm Visual OWL] Visual Modeling Forum page dedicated to graphic notations for OWL.
* [http://www.medicalcomputing.net/owl1.html Introduction to OWL Web Ontology Language for Medical and Biosciences Applications] at [http://www.medicalcomputing.net/ Medical Computing .Net]
* [http://www.cs.man.ac.uk/~horrocks/ISWC2003/Tutorial/ Tutorial on OWL] at [http://www.cs.man.ac.uk/ the University of Manchester Computer Science Department]
* [http://www.inf.unibz.it/~franconi/dl/course/ ''Introduction to Description Logics'' DL course] by Enrico Franconi, Faculty of Computer Science, Free University of Bolzano, Italy
