Citation Context

...quivalence relation. This is a simple approach to semantic matching but additional capacities can be integrated into the mediator. For a good survey on semantic integration techniques, see Noy’s work =-=[12]-=-. 3. It accesses the context ontology related to the domain concept matched, and gathers all its relative properties, as well as all its sub properties (i.e.sproperties of its sub concepts in the cont...

Citation Context

...h, firstly introduced by Sciore et al. [11], is based on the notion of semantic value. It has proved to be a highly scalable, extensible and adaptable approach to semantic reconciliation of data. Goh =-=[18]-=- and Firat [19] presented implementations and extensions to this approach. Then, Bornhövd [9] adapted this model to the description of semi-structured data. While mediation and semantic description of...

Citation Context

... Francs or S2 into Euros and show that S1 and S2 are equals. Conversion functions enable mediation between semantic objects. They have several properties such as total, lossless, and order-preserving =-=[11]-=-. A total conversion function converts to and from any value of its domain of definition, e.g., distance unit conversion functions. An example of non-total conversion is precision conversion. Indeed, ...

Citation Context

... [1], WSDL [2], and UDDI [3]) achieves application level interoperability, but does not satisfy the requirements of semantic exchange. Recent initiatives propose languages and frameworks (e.g., OWL-S =-=[4]-=-, WSMO [5], and WSDL-S [6]) that use ontologies 3 for adding explicit semantic descriptions to Web services, which are now referred to as semantic Web services. However, these initiatives towards sema...

Citation Context

...equirements to the success of system interoperability. Particularly, composition requires understanding the semantics of the data exchanged between Web services. The Web services protocol stack (SOAP =-=[1]-=-, WSDL [2], and UDDI [3]) achieves application level interoperability, but does not satisfy the requirements of semantic exchange. Recent initiatives propose languages and frameworks (e.g., OWL-S [4],...

Citation Context

...oduced by Sciore et al. [11], is based on the notion of semantic value. It has proved to be a highly scalable, extensible and adaptable approach to semantic reconciliation of data. Goh [18] and Firat =-=[19]-=- presented implementations and extensions to this approach. Then, Bornhövd [9] adapted this model to the description of semi-structured data. While mediation and semantic description of Web services i...

Citation Context

...concept should be interpreted differently, depending on the context it relates to. In the domain of Web services composition, 3 An ontology is defined as a shared description of a domain knowledge in =-=[7]-=-.scontext interpretation generally remains ignored, due to lack of explicit context descriptions. As a consequence, the adaptation of Web services to context changes is still performed manually, which...

Citation Context

...ents to perform semantic mediation between input and output parameters of Web services by encapsulating the composition into an agent, that controls the developpement of the operation. Spencer et al. =-=[16]-=- present a rule-based approach to semantically match outputs and inputs of Web services. An inference engine analyzes OWL-S descriptions and generates multiple data transformation rules using a descri...

Citation Context

... a lot of attention from the research community. Many mediation approaches rely on the concept of mediator for solving data heterogeneities between participants of an interaction. Cabral and Domingue =-=[14]-=- provide a broker-based mediation framework for composing semantic Web services. Their approach follows WSMO conceptual framework [5] that recommends strongly decoupled, service-based mediation. Willi...

Citation Context

... a description-logic reasoning system. Thirdly, the use of context has been studied in several domains, in order to improve the adaptability of software applications to different views on information =-=[17]-=-. Some approaches provides formalisms for context representation. In the domain of database interoperability, the Context Interchange approach, firstly introduced by Sciore et al. [11], is based on th...

Citation Context

... for Web services As aforementioned, we propose a model that describes the underlying semantics of data flow between Web services. This model takes advantage of the notion of semantic object given in =-=[9]-=-, and focuses on context description for data exchange in Web services composition. In this section, we define the two fundamental elements of our model: semantic object and context. Afterwards, we di...

Citation Context

...sagePart> </ grounding:WsdlInputMessageMap> ✝ ✆ Listing 1.1. OWL-S Input Description Snippet The abstract view binds the data to a conceptual description generally using an ontology language like OWL =-=[10]-=-. The grounding view describes the physical representation of data which generally follows XML Schema [8]. This separationsallows different physical representations of the same concept, and strengthen...

Citation Context

...broker-based mediation framework for composing semantic Web services. Their approach follows WSMO conceptual framework [5] that recommends strongly decoupled, service-based mediation. Williams et al. =-=[15]-=- use agents to perform semantic mediation between input and output parameters of Web services by encapsulating the composition into an agent, that controls the developpement of the operation. Spencer ...

Citation Context

...y for building semantic Web services, and it was designed to be coupled with standard description formats like WSDL. Inspired from OWL-S, several research projects have been developed, such as ODESWS =-=[13]-=- that models Web services using problem-solving methods. From the DERI laboratory, WSMO [5] is a formal language and ontology that describes varied aspects of semantic Web services. It supports the de...

Citation Context

...3]) achieves application level interoperability, but does not satisfy the requirements of semantic exchange. Recent initiatives propose languages and frameworks (e.g., OWL-S [4], WSMO [5], and WSDL-S =-=[6]-=-) that use ontologies 3 for adding explicit semantic descriptions to Web services, which are now referred to as semantic Web services. However, these initiatives towards semantic Web services do not t...