examples/experimental/scala-recommendations/engine.json

{
  "id": "default",
  "description": "Item Recommendations examples",
  "engineFactory": "org.apache.spark.mllib.recommendation.engine.RecommendationEngine",
  "datasource": {
    "params": {
      "filepath": "../data/movielens.txt"
    }
  },
  "algorithms": [
    {
      "name": "",
      "params": {
        "rank": 10,
        "numIterations": 20,
        "lambda": 0.01,
        "persistModel": true
      }
    }
  ]
}