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Ontology Instance learning is a significant part in the research of ontology evolution and is important for the applications of ontology. One of the key points of ontology instance learning is automatic instances learning from large amounts of unstructured data. In this paper, an effective method of ontology instance learning is proposed, while the experience of the methods of information extraction...
One key idea in software reuse is domain engineering. As the high development of software, it makes integration of knowledge and sharing more difficult among departments within a domain. This paper we research on ontology-based domain engineering and extend it to emergency, and then we model Emergency Event Ontology as the top-level ontology. The application in Earthquake system proves the efficient...
The toponym information exists in all walks of life, and it is also indispensable in the administration. This paper constructs Chinese toponym ontology model to express different areas of toponym information based on SUMO with toponym and spatial geography research, referencing classification standard of China. This model can describe toponym evolution, toponym spatial relationship and toponym-based...
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