THE VALID PROJECT - GOALS, DEVELOPMENT, AND RESULTS

We recapitulate the work done in the ESPRIT-II VALID project, the aim of which was to develop methods and tools for the Validation of Knowle dge-Based Systems. The project's goal was to undertake a comprehensive approach to the problem of Validation for existing KBS. In order to d o so, several methods for different Validation issues were created, an d different KBS were considered. The project concrete result is a Vali dation environment in which different KBS can be validated. It include s a Validation toolkit comprising seven tools, ranging from inconsiste ncy detection to KBS inspectors, that the knowledge engineer can inter act with. Validation tools produced by the VALID project have been tes ted on existing KBS and have been useful in improving their performanc e. (C) 1994 John Wiley & Sons, Inc.