'org.drools:drools:5.2.0-alpha1'
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools</artifactId>
<version>5.2.0-alpha1</version>
</dependency>
<dependency org="org.drools" name="drools" rev="5.2.0-alpha1"/>
"org.drools", "drools", "5.2.0-alpha1"