Historical Development Of The Ruled Based System Methodology

Historical Development of the Ruled-based system methodology 95 Computer-based clinical decision support (CDS) system employ decision rules that either uses procedure rules or production rules. A procedure is a compilation of data and logical statements that influence them by using control structures to control the decision-making flow. A rule-based system, utilizing a heuristic approach, comprises a set of statements called production rules. Production rules were initially studied in the 1940s and used in a different field of grammar. According to Greenes (2014), they were created as axioms to aid in rewriting strings as a section of the specification of a formal grammar. This concept was then transferred to solving problems. It took the†¦show more content†¦A final advantage to using the production rule is that only some rules may be altered to achieve a result, compared to modifying the immense code in procedural rule systems (Greenes, 2014). However, the production rules’ independence in itself creates a disadvantage. Due to its independent nature, the output action may not be able to be determined. This is amplified when the knowledge base comprises over one hundred rules in its system. This vast rule system prevents a knowledge engineer from finding similar rules when updating the knowledge base. Hence, specific tools were created to circumvent this issue (Greenes, 2014). Furthermore, a rule-based system can implement either a backward chain reasoning or a forward chain reasoning. In Figure 2.6: Rule-based system, it illustrates the backward chain method, also referred to as goal-directed reasoning. Here, the goal is to diagnose a disorder y which resides in the action part of the equation. Now, the inference engine must ascertain if x (i.e., the condition) is true. Thus, the inference engine locates any data/rules that make the condition x true. The rule is abandoned if it cannot fulfill the goal (Greenes, 2014). In contrast, the forward chain (also known as data driven reasoning) is utilized when data assembles consistently in an application such as in patient monitoring. Here, the inference engine employs new information or concluded values to apply any rulesShow MoreRelatedThe Guiding Rules and Principles of Ragusa During the Middle Ages1070 Words   |  5 Pagesprosperity. Hypothesis: The dissertation of this research report will focus on demonstrating how Ragusa’s economy flourished in the Middle Ages, along with the activities that were conducted to promote the well-being of the civilians of this city. Methodology: This report triggers the interest to research the different methods that Ragusa utilized to promote its economic status and the activities that were conducted to promote a healthy economy. 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