the extensive use of traditional irrigation systems has led to overexploitation of groundwater and overuse of surface water in theurmia  lake catchment (ulc) area ofiran. the purpose of this study was to model the adoption process of drip irrigation system (dis) by apple orchardists (aos) using the five stages of roger’s model for innovation decision process (idp). survey method of applying que...

it is commonly recognized that knowledge is the only source of core competence of environmental projects in the knowledge based companies, but the productivity rate of knowledge workers is always low. based on knowledge workers’ characteristics, in this paper, we seek to identify knowledge workers factors influencing on the environmental projects risk management success (eprm), then knowledge s...

We describe the design and evaluation of a graphical knowledge-acquisition (KA) tool for entering the knowledge required by the RÉSUMÉ system. RÉSUMÉ is an implementation of the knowledge-based temporal-abstraction problem-solving method, which forms high-level concepts and patterns from raw time-oriented data. We designed the KA tool using the Protégé framework. The study evaluated the usabili...

background: the life style is formed and stabilized in adolescence. since consumption of fruits and vegetables may affect the risk of chronic diseases, their low consumption during adolescence is very important. knowledge and skill is considered as one of the main determinants of this behavior. this study aimed to investigate the knowledge and skill of proper consumption of fruit and vegetables...

patients with chronic low back pain hold various perceptions, experiences and beliefs about their pain which are based on prior learning and social influence. this study was employed to earn perceptions and beliefs of patients regarding low back pain to apply in health education planning. eight focus group discussions including 6-10 people taking part in each of them was performed. subjects inc...

The IDEF3 process modelling technique has been used to represent the process of Crisis Management [2], which is one of the HPKB challenge problems. The process models add detail and structure to the description of this task given in the challenge problem specification [1]. The resulting process models have been verified by SMEs and therefore can be considered to be accurate descriptions of the ...

Domain-oriented knowledge-acquisition tools provide efficient support for the design of knowledge-based systems. However, the cost of developing such tools is high, especially when their restricted scope is taken into account. Developers can use metalevel tools to generate domain-oriented knowledge-acquisition tools that are custom tailored for a small group of experts, with considerably less e...

Robust intelligent systems require commonsense knowledge. While significant progress has been made in building large commonsense knowledge bases, they are intrinsically incomplete. It is difficult to combine multiple knowledge bases due to their different choices of representation and inference mechanisms, thereby limiting users to one knowledge base and its reasonable methods for any specific ...

In [ALP+00] we proposed a comprehensive solution to the problem of knowledge base updates. Given the original knowledge base KB and a set of update rules represented by the updating knowledge base KB′, we defined a new updated knowledge base KB∗ = KB⊕KB′ that constitutes the update of the knowledge base KB by the knowledge base KB′. In [APPP99] we introduced a fully declarative, high-level lang...