PredictionIO DASE components and customization of Engine

The engine code base is based on the DASE model. DASE is abbreviated as follows:

D: Data Source and Data Preparator

A: Algorithm

S: Serving

E: Evaluation Metric

The following table describes the function of each of the components and the associated Java classes for the Product Recommendation Engine:

The following diagram shows how the components documented in the table work together:

Let's dive deep into the code and check how one can customize the engine logic.

We have purposefully chosen both Java-based and Scala-based template engine code so that readers familiar with the simple object oriented language like Java or familiar with Scala can understand easily.