Semantic Web-Based Information Systems: State-of-the-Art ...

Corcho & Gómez-Pérez
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Endnotes
* The current affiliation of the author is Intelligent Software Components, Spain.
The work presented was performed at Universidad Politécnica de Madrid.
1 The problems that may appear in the context of semantic interoperability are
due not only to the fact that ontologies are available in different formats, but
they are also related to the content of ontologies, their ontological commitments,
and so forth. We only focus on the problems related exclusively to the
differences between ontology languages and/or tools.
2 These types of problems also may be related to the pragmatic layer, as we will
describe later in this section. We also will see that the limits of each translation
layer are not strict; hence, we can find transformation problems that are in the
middle of several layers.
3 As with naming conventions, this decision also will be related to the pragmatic
translation layer.
4 Protégé Axiom Language
5 We must note that this second option may be obtained because expressions in
OWL ontologies may appear in any order in an OWL file and, hence, may be
processed independently.
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