Modeling with Rules Using Semantic Knowledge Engineering by Grzegorz J. Nalepa

Author:Grzegorz J. Nalepa
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

(8.25)

where denotes the current system state.

During the inference process some of the facts (triples) can be removed, new facts (triples) can appear or some attribute functions can be changed within the fact base . Because of modifications of , the current state of the system also changes (according to Definition (8.25)). The difference between the current and the previous state of the system is defined as state transition and is determined by the transition function expressed, in this model, as a rule. Thus, it can be said that rules define the dynamics of the system.

Considering all the state changes that were made from the initial state of the system, a concept of system trajectory can be introduced. Within this model, a system trajectory is defined as a sequence of states from the initial until the current one:

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