煤礦事故領(lǐng)域知識元及相關(guān)模型構(gòu)建研究
[Abstract]:In this paper, knowledge element is introduced to study the information, knowledge description and organization in the field of coal mine accidents. First of all, according to the characteristics of the generic knowledge metamodel, based on the traditional description logic ALC (Attributive Concept Description Languagewith Complements), the description logic KEDL (knowledge meta-description logic) is put forward by extending the concept and relation, and the syntax and semantics of KEDL are established. The axiomatic system proves that the KEDL grammar inference and semantic inference are equivalent. Secondly, the system theory is used to divide the related things involved in coal mine accidents for emergency management into coal mine accident system, coal mine objective thing system, and so on. The system of emergency management activities, which is divided into two categories of management, can not be further divided, and extracts its corresponding attribute elements and relationships. Based on the common knowledge element model, three kinds of knowledge elements and their models are established to express the related things and information in the field of coal mine accident, in addition, the ontology model of knowledge element of coal mine accident field is established based on ontology. The model is composed of knowledge element ontology of coal mine objective object system and knowledge element ontology of coal mine accident emergency activities. Finally, based on complex network, the knowledge element network in coal mine accident field is studied. The mathematical model is established, the knowledge element and its relationship are extracted from a large number of accident cases, and the knowledge element network in the field of coal mine accident is established. It is found that the network has the characteristics of small world and no scale. The logical system and related knowledge metamodel presented in this paper are reasonable.
【學(xué)位授予單位】:中國礦業(yè)大學(xué)(北京)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2013
【分類號】:X936;TP391.1
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