prop = new SmartProperties(new File(s3bConfiguration));
Map<String, String>[] amConfig = prop.getAsMap("recommendation_plugin", "id", "type", "value", "property", "prefix", "query", "postprocess");
for(Map<String,String> config : amConfig) {
RecommendationPlugin plugin = new GenericRecommendationPlugin(config.get("id"), config.get("type"),
config.get("value"), config.get("property"),
config.get("prefix"), config.get("query"),
config.get("postprocess"));
plugins.put(config.get("id"), plugin);