Development of an Expert System for ISO 14001

The ISO 14001 standard is designed to assist organisations in implementing and maintaining Environmental Management System (EMS), verifying conformance with their environmental policies and objectives and demonstrating such conformance to other organisations via certification by a third party or via self-declaration. It is applicable to organisations of all sizes, types and locations and will be used to improve environmental performance by integrating designated EMS with existing management policies and procedures. The main objectives of Expert System for ISO 14001 (ESISO) are to help the end-users in gaining information on ISO 14000 and EMS and to create EMS documentation as well as to help the application process of the company. CLIPS version 6.04 was chosen for logic based knowledge representation in implementing ESISO. The results show that the reliability of the Expert System (ES) was able to help the end-users to create EMS documentation and to obtain information on ISO 14000 as well as EMS. Information of ISO 14000 and EMS were validated using the information from various sources such as SIRIM, Singapore Productivity and Standards Board pamphlet, books and Internet. ESISO managed to show a 95% matching between the ESISO consultation and these sources. EMS documentation of a certified company was used to validate the EMS requirements that were incorporated in the ESISO. Therefore, for the case of that company ESISO consultation matched with this existing documentation. The usefulness of the knowledge-based system depends on the degree to which the task it is reviewing is systematic. However, in environmental planning and engineering, it is difficult for planners and engineers to agree on the solution provided by ES, mainly because their subjective judgement can differ greatly from each other and the knowledge base used by the expertise tends to be extracted from various sources.

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