*4.3.3 The ES\_BP\_HRP\_02 expert system knowledge base: SNWs component*

The SNWs are a direct representant of knowledge contained in the knowledge base, the above-mentioned expert system operated over. They contain linguistic sets, which are directly concerned to objectives, which deal with designed expert system. If the designed expert system is concerned with relationship between investigated BP performance and performance of employees interested in that BP functionality, the above-mentioned SNWs contain the following linguistic sets:

	- ES\_BP\_HRP\_02\_01\_01\_01\_01\_03\_02\_01 Personal motivation,
	- ES\_BP\_HRP\_02\_01\_01\_01\_01\_03\_02\_02 Environmental motivation
	- ES\_BP\_HRP\_02\_01\_01\_01\_01\_03\_02\_03 Labor conditions
	- ES\_BP\_HRP\_02\_01\_01\_01\_01\_03\_02\_04 Personal capabilities

As for elements, which content of the above-mentioned linguistic sets, they are described within **Tables 1** and **2**. However, there are linguistic sets, which create an integral part RDB With respect to those assumptions Time Instant and Time Interval Semantic Networks are defined.

## *4.3.4 Inference engine*

The inference engine plays a role of the communication tool with actual expert system for authorized user and consists of the following components (a) component, which provides retrieval and presentation of the knowledge base content based on general and detailed knowledge requirement (hereinafter known as KB content retrieval), (b) component, which provides knew knowledge generation based on existing one (hereinafter known as knowledge discovery) and (c) component, which provides visualization of selected or discovered knowledge (hereinafter known as presentation layer).

<sup>10</sup> Those subset elements are concerned with those output products, which meet the pre-defined criteria in a full range and cannot be repaired they can be good output products and are denoted as the waste output products.


#### **Table 1.**

*A content of [a11(i, j1)], [a21(i, j2)])], [a31(i, j3)])] and [a41(i, j4)] linguistic subsets – the beginning.*

