{Knowledge Maintenance...

In general, real world knowledge base systems require the constant addition and subtraction of knowledge.  The process for making these changes can be designed to be performed by programmers and/or by end users.  Each option has advantages and disadvantages. Some important issues to consider are:

• Personnel Availability and Cost
• Mission Criticality of the System
• Required Knowledge Quality and Data Accuracy

These issues must be addressed early in the design process. Also, if knowledge is to be maintained by the users, a custom user interface will typically be required.

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