examples/experimental/scala-parallel-recommendation-mongo-datasource/engine.json

{
  "id": "default",
  "description": "Default settings",
  "engineFactory": "org.template.recommendation.RecommendationEngine",
  "datasource": {
    "params": {
      "host": "127.0.0.1",
      "port": 27017,
      "db": "test",
      "collection": "sample_ratings"
    }
  },
  "algorithms": [
    {
      "name": "als",
      "params": {
        "rank": 10,
        "numIterations": 20,
        "lambda": 0.01
      }
    }
  ]
}