It’s hard to search the needed knowledge in the Internet, because the same knowledge usually have different descriptions and name when knowledge management system takes mass knowledge in the Internet as source. Knowledge was described with ontology and different descriptions of the same knowledge were connected by using the similar ontology to resolve the problem. A prototype of web knowledge management system based on ontology (O-WKMS) was developed in order to reduce the difficult of ontology establishment and decrease the ontology maintenance costs. The system structure model and process model were presented. The technology for ontology establishment of collaborative based on self-organization principle was described in detail, and ontology-based semantic search was realized with Lucene engine. Primary application shows that the enterprise’s knowledge base can be further ordered and the efficiency for web knowledge discovery, management and retrieval can be improved with the knowledge ontology establishment of collaborative and self-organization mode.
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