This explains the difference between using the Drools buttons at the bottom of the SWRLTab and using Pellet and why Pellet is usually better

Collection of blog posts that describe best practices and tips for new users of Protege, OWL, and SWRL

Overview of the theory behind OWL as well as how OWL relates to other CS paradigms such as OOP and relational DBs

How to remove ontology prefixes for the base ontology from SWRL rules

A simple tutorial to learn SWRL by developing a small ontology for modeling software processes