By Tijs Rademakers and Ron van Liempd
You want to be able to change the content of a rule without too much hassle so you can have direct influence on the behavior of your business processes. In this article, based on chapter 12 of Activiti in Action, the authors show you how Activiti and Drools integrate nicely together to achieve this flexibility with just a few lines of code.

Creating a Web-Based Rule Editor (PDF)