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In the rapid development of the Internet, in order to achieve the effective extraction of geographical names information, the study of location information extraction of web on the basis of the Chinese knowledge map CN-DBpedia is carried out. The Chinese geographical names are obtained from Wikipedia based on statistics. And the attribute value dictionary is built on the basis of CN-DBpedia, which can be used to automatically annotate the data items of the web pages. Compared with manual annotation, this method has higher accuracy and recall rate, which can significantly save human resources and greatly improve the efficiency of information acquisition.
Ren et al. (Mon,) studied this question.