Study On Ontology Modeling And CBR Technology Used In KM System

With the development of information technology, human society entered the era of knowledge economy. Knowledge management has become an important aspect of enterprise management. It is showed that knowledge management system can well support knowledge management of business. The application of ontology enables enterprises to standardize the sharing of knowledge structure. How to model structure and search instance efficiently become the key indicator of determining strengths and weaknesses of knowledge management system.In recent years, there have been many excellent ontology modeling tools and ontology description languages. However, there is still lack of practical applications for certain complex structure modeling and retrieval approach. The graph type structure is widely used in practical engineering of complex structure.This article introduces the ontology modeling techniques used in knowledge management system; analyzes of the deficiencies of existing methods of modeling graph type structure. Then it sets out a modeling and storage approach to describe the modeling objects and their relationships. At the same time, this paper presents an efficient modeling, storage and searching approach.In addition, this paper uses many approaches, such as hierarchical authorization, Completeness checking to meet a more flexible and efficient access management need.