Drools-core

<dependency>
    <groupId>org.drools</groupId>
    <artifactId>drools-core</artifactId>
    <version>4.0.7</version>
</dependency>

compile group: 'org.drools', name: 'drools-core', version: '4.0.7'

compile 'org.drools:drools-core:4.0.7'

libraryDependencies += "org.drools" % "drools-core" % "4.0.7"

<dependency org="org.drools" name="drools-core" rev="4.0.7"/>

@Grapes(
            @Grab(group='org.drools', module='drools-core', version='4.0.7')
        )

[org.drools/drools-core "4.0.7"]

'org.drools:drools-core:jar:4.0.7'