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Analysis and summary of current ontology-based semantic annotation tools

TAO Wan 1,LI Ping 2, LIAO Shu-mei 3 ( 1. Dept. of Comp. Sci. & Engn., AnHui University of Technology and Science, Wuhu 241000, China; 2. Hefei University of Technology, Hefei 230009, China; 3.Info. Man. sch., Financial & Economical Unversity of Jiangxi, Nanchang 330013, China)  
Ontology-based semantic annotation tool makes use of pre-existing ontology to insert semantic meta-data for making the contents of Web pages machine-understandable. The work of annotation tools is the basis for semantic web construction. This paper makes a summary and comparison on current ontology-based annotation tools of all sorts, analyses and discusses the trend of ontology-based annotation tools.
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