1.7 Components of KBs 19 Table 1 Comparison of Knowledge-based and Computer-based information Systems Traditional Computer-Based Information System (CBIS) Knowledge-Based System (KBS) Gives a guaranteed solution and concen- Adds power to the solution and con- trates on efficiency centrates on effectiveness without any guarantee of solution Data and/or information processing approach Assists in activities related to decision making and routine transactions; sup- ports need for information Examples are TPS, MIS, DSS, etc. Manipulation method is numeric and algorithmic These systems do not make mistakes Knowledge and/or decision processing approach Transfer of expertise; takes a decision based on knowledge, explains it, and upgrades it, if required Examples are expert systems, CASE-based systems, etc. Manipulation method is primarily sym- bolic/connectionist and nonalgorithmic These systems learn by mistakes Need complete information and/or data Partial and uncertain information, data, or