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Combining RDF and OWL with SOAP for semantic web services
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology.
2004 (English)In: Third Nordic Conference on Web Services NCWS, 2004, 2004, 31-45 p.Conference paper (Other academic)
Abstract [en]

This paper has two contributions: (1) we attempt to propose that a combination of RDF and OWL with SOAP is useful for building semantic Web services (SWS); (2) we show how to combine them technically. A SOAP Envelope comprises Header (control data) and Body (transaction data). They are defined in XML schema syntactically not semantically, resulting in inflexibility for Web services invocation. RDF and OWL introduce ontology-based semantics into SOAP. We provide new SWS: three-level combinations plus a base level for easy comparison. SWS at Level 0 (Internal Translation) can process multiple data formats by internally translating one format in SOAP into others. SWS at Level 1 (Simple Reference) use pointing a link-with an OWL individual in SOAP and allow service receiver(s) to decide whether or not to process it. They are useful for such business use cases as product/ service introduction and promotion. SWS at Level 2 (Direct Embedment) embed an OWL individual in SOAP Envelope and define the types of messages in WSDL by using OWL classes instead of XML Schema. They are useful to add semantics gradually into current Web service infrastructure. SWS at Level 3 (Semantic SOAP) relax nearly all constraints in WSDL to receive/ send, understand, and process semantic SOAP, encoded in a general ontology. They are useful for casual integration and for agents that have never communicated before.

Place, publisher, year, edition, pages
2004. 31-45 p.
National Category
Computer Science
URN: urn:nbn:se:liu:diva-23087Local ID: 2479OAI: diva2:243400
3rd Nordic Conference on Webservices (NCWS), Växsjö, Sweden, Nov 22-23
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2012-11-22
In thesis
1. Standards-based application integration for business-to-business communications
Open this publication in new window or tab >>Standards-based application integration for business-to-business communications
2005 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Fierce competitions and pursuits of excellence require all applications, internal or external, to be integrated for business-to-business communications. Standards play an important role in fulfilling the requirement. This dissertation focuses on Business-to-Business standards or XML-based frameworks for Internet commerce

First, we analyze what the standards are and how they interact. Fifteen influential standards are selected: eCo Framework, ebXML, UBL, UDDI, SOAP, WSDL, RosettaNet, Open Applications Group, VoiceXML, cXML, Wf-XML, OFX, ICE, RDF, and OWL. Basically each standard has to provide transport mechanisms and message structures for general and/or specific applications. In terms of message structure definition, they can be classified as two types: syntax-based, for defining messages syntactically and semantics-based, like RDF and OWL for defining messages semantically.

Second, for transiting from syntax to semantics, we provide a reuse-based method to develop the ontology by reusing existing XML-based standards. This is a kind of knowledge reuse, for instance, using previously developed structures, naming conventions and relationships between concepts.

Third, we exploit how to use these standards. We propose an approach that combines RDF and OWL with SOAP for building semantic Web services. Three levels of combinations are provided: Simple Reference, Direct Embedment, and Semantic SOAP.

Fourth, we design an infrastructure aimed at creating a formal channel by using Web services and semantic Web for establishing buyer awareness, i.e., buyers first become aware of products/promotions offered by sellers. We propose the concept of personal ontology, emphasizing that ontology is not only a common and shared conceptualization but also can be used to specify personal views of the products by sellers and buyers. The agreements between buyers and sellers can be described in XML schema or ontology in OWL. A semantic matchmaking algorithm is designed and implemented considering synonym, polysemy and partial matching.

Place, publisher, year, edition, pages
Linköping: Linköpings universitet, 2005. 97 p.
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 986
Internetprogramming, Electronic ceommerce
National Category
Computer Science
urn:nbn:se:liu:diva-33071 (URN)19039 (Local ID)91-85457-66-3 (ISBN)19039 (Archive number)19039 (OAI)
Public defence
2005-11-25, Visionen, hus B, Linköpings universitet, Linköping, 13:15 (Swedish)
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2012-11-22

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Zhao, Yuxiao
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Department of Computer and Information ScienceThe Institute of Technology
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