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12
Conclusion and Outlook
In the course of this topic we have illustrated how to enable Semantic Web
services by means of the Web Service Modeling Ontology approach. WSMO,
together with its formal language WSML and the reference implementation
WSMX, is a comprehensive framework that integrates two complementary
and revolutionary technical advances, Web services and the Semantic Web,
into a single computing architecture.
We shall briefly recapitulate the content of this topic and outline the vision
of Semantic Web services. In this final chapter, we give the reader a concise
overview of the ongoing research in the area of Semantic Web services and of
the corresponding efforts of international standardization bodies. The story
does not end here, but with these final remarks we want to give the reader an
opportunity to keep up effectively with the trends and developments within
the Semantic Web and Semantic Web services communities.
Finally, we conclude the topic with a critical outlook on technologies that
offer alternatieves to or are complementary to Semantic Web services.
12.1 Semantic Web Services Using WSMO
While the overall intuition behind Web services and service-oriented archi-
tectures is widely acknowledged for its potential to revolutionize the world of
computing, success depends on resolving three fundamental challenges that
SOAs alone do not address, namely, the automation of searching, integration
and mediation. The WSMO framework addresses the semantic gap which
hampers this automation by providing the following building blocks: a frame-
work for semantic annotation of services, means for grounding semantic speci-
fications in each component of the SOA framework, and semantically enabled
solutions for the components of the overall framework.
In Part II, we outlined the vision of semantically enabled services contained
in our understanding of the Web Service Modeling Ontology. We outlined the
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