Figure 1 shows research areas on the Semantic Web
for KM. The studies are classified into four areas: (1) developing infrastructure and
architecture, (2) killer applications, (3) business management issues, and (4) other
social issues.
The most surprising research area is technical issues related to architecture design
and building of infrastructure for KM based on the Semantic Web. According to
Berners-Lee, Hendler, and Lassila (2001), the Semantic Web, as an extension of
the current Web, enables knowledge representation by using extensible markup
language (XML), RDF, and ontologies including rules to make inferences. They also
Figure 1. Research areas of the Semantic Web in KM
0 Joo, Lee, and Jeong
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insist that the real power of the Semantic Web will be realized by agents collecting
Web content as knowledge, processing it and exchanging the results with others.
D??™Aquin, Bouthier, Brachais, Lieber, and Napoli (2005) presented an architecture
of the systems for knowledge representation, reasoning and visual editing relying
on Semantic Web principles, in the domain of oncology, providing support for the
medical treatment of people with cancer.
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