They may also find semantic content by negotiating
with semantically enhanced Web services, which Medjahed, Bouguettaya, and
Elmagarmid (2003) define as sets ???of functionalities that can be programmatically
accessed through the Web??? (p. 333). Web services may process information from
domain-specific knowledge bases, and the facts in these knowledge bases may, in
turn, be represented in terms of an ontology from the same domain. An important
tool for constructing domain models and knowledge-based applications with ontologies
is Prot?©g?© (n.d.). Prot?©g?© is a free, open-source platform.
Ontologies are somewhat static, and should be created carefully by domain experts.
Knowledge bases, while structurally static, should have dynamic content. That is, to
be useful, especially in the competitive realm of business, they should be continually
0 Conlon, Lukose, Hale, and V njamur
Copyright ?© 2007, Idea Group Inc. Copying or distributing in print or electronic forms without written permission
of Idea Group Inc. is prohibited.
updated with the latest, best-known information in the domain and regularly purged
of knowledge that has become stale or been proven wrong.
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