Eveline Russo Sacramento, Vânia Maria Ponte Vidal, Marco Antônio Casanova.
The Semantic Web is based on the idea of annotating Web content with machine-interpretable metadata such that computers are able to process this content on a semantic level. These semantic annotations make it possible a higher degree of automation and allow that more precise results can be achieved in tasks like Web services discovery and composition.
http://www.lbd.dcc.ufmg.br:8080/colecoes/wtdbd/2008/003.pdf
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