Drools Expert is the rule engine and Drools Fusion does complex event processing (CEP).
'org.drools:drools-guvnor-models:6.0.0.Beta2'
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-guvnor-models</artifactId>
<version>6.0.0.Beta2</version>
</dependency>
<dependency org="org.drools" name="drools-guvnor-models" rev="6.0.0.Beta2"/>
"org.drools", "drools-guvnor-models", "6.0.0.Beta2"