Drools Expert is the rule engine and Drools Fusion does complex event processing (CEP).
'org.drools:kiefilesystem-example:6.2.0.Final'
<dependency>
<groupId>org.drools</groupId>
<artifactId>kiefilesystem-example</artifactId>
<version>6.2.0.Final</version>
</dependency>
<dependency org="org.drools" name="kiefilesystem-example" rev="6.2.0.Final"/>
"org.drools", "kiefilesystem-example", "6.2.0.Final"