<dependency>
  <groupId>org.grouplens.lenskit</groupId>
  <artifactId>lenskit-knn</artifactId>
  <version>1.3</version>
</dependency>

'org.grouplens.lenskit:lenskit-knn:jar:1.3'

<dependency org="org.grouplens.lenskit" name="lenskit-knn" rev="1.3">
  <artifact name="lenskit-knn" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.grouplens.lenskit', module='lenskit-knn', version='1.3')
)

compile 'org.grouplens.lenskit:lenskit-knn:1.3'

[org.grouplens.lenskit/lenskit-knn "1.3"]

libraryDependencies += "org.grouplens.lenskit" %% "lenskit-knn" % "1.3"