Survey of knowledge extraction technologies
Haiyan Che · Jisuanji yingyong yanjiu · 2010
Knowledge extraction,whose main task is to extract the factual knowledge from the no-semantics-embedded documents and to realize the full and effective use of Web data,has become a hot topic in the semantic Web field. Firstly,this paper gave a brief introduction of knowledge extraction related technologies. Secondly,analyzed and compared the English-oriented and Chinese-oriented knowledge extraction methods systematically,especially the methods towards Chinese natural language documents. Lastly,pointed out the main drawbacks of the current methods and discussed the future development direction of knowledge extraction.