An Application For Semantic Annotation Of Web Services
Date Issued
2010-02
Author(s)
Budinoski, Koste
Abstract
The progress in the field of web services has made it
possible to publish, locate, and invoke specific applications
across the Web. This is the reason why more and more
companies and organizations now implement their core
business, or outsource other application services, over the
Internet. Therefore, the efficient selection and integration of
inter-organizational services on the Web, at runtime, becomes
an important issue to the web service provision. The general
question is how to develop mechanisms to automatically
locate the correct web service in order to meet the user's
needs. In special cases, if no single web service can satisfy
the functionality required by the user, there should be a
possibility to combine existing web services together, in order
to fulfil the request.
In this paper, we present a web application that uses
ontologies in order to semantically annotate web services, in
order to enable the necessary processes, such as automatic
discovery, automatic invocation and automatic composition
of semantic web services [1]. The application uses the
SAWSDL mechanism [2] to connect the concepts of semantic
models from an ontology, with the WSDL [3] components. Its
main aim is to provide an easy and flexible user interface,
presenting the web service description as a tree structure, and
allowing the addition of ontologies that would be used for
annotation. All of the web services are stored into a one
central public repository, which would later be used for
automatic web service discovery, automatic invocation and
automatic composition.
possible to publish, locate, and invoke specific applications
across the Web. This is the reason why more and more
companies and organizations now implement their core
business, or outsource other application services, over the
Internet. Therefore, the efficient selection and integration of
inter-organizational services on the Web, at runtime, becomes
an important issue to the web service provision. The general
question is how to develop mechanisms to automatically
locate the correct web service in order to meet the user's
needs. In special cases, if no single web service can satisfy
the functionality required by the user, there should be a
possibility to combine existing web services together, in order
to fulfil the request.
In this paper, we present a web application that uses
ontologies in order to semantically annotate web services, in
order to enable the necessary processes, such as automatic
discovery, automatic invocation and automatic composition
of semantic web services [1]. The application uses the
SAWSDL mechanism [2] to connect the concepts of semantic
models from an ontology, with the WSDL [3] components. Its
main aim is to provide an easy and flexible user interface,
presenting the web service description as a tree structure, and
allowing the addition of ontologies that would be used for
annotation. All of the web services are stored into a one
central public repository, which would later be used for
automatic web service discovery, automatic invocation and
automatic composition.
Subjects
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