Generally, ES users and ES itself uses User interface as a medium of interaction between users. Also, the user of the ES need not be necessarily an expert in Artificial Intelligence.
Although, at a particular recommendation, it explains how the ES has arrived. Hence, the explanation may appear in the following forms −
- Basically, the natural language displayed on a screen.
- Also, verbal narrations in natural language.
Further, listing of rule numbers displayed on the screen. The user interface makes it easy to trace the credibility of the deductions.