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In order to be competitive, tourism intermediaries (i.e. travel agents, tour operators, etc.) require flexible and customizable solutions to adapt the wide variety of products and services on demand according to customers' preferences. In addition, tourism intermediaries need to provide added value to customers by mapping their preferences or wishes into a composition of specific market products and...
Location-Based Services (LBS) are information and entertainment services, accessible with mobile devices and making use of the position of the mobile device. Although LBS are now widely used, better results could be obtained by merging information issued by several services. Inter-LBS collaboration is still uncommon although a lot of work is done on service orchestration languages such as WS-BPEL...
E-discovery is the process of collecting, preparing, reviewing and producing electronically stored information in the context of the legal process. In this paper we describe practical experiences developing semantic middleware to support e-discovery from a variety of enterprise data sources including relational databases, LDAP directories and document repositories. Specifically we discuss the development...
This paper describes the advantages of Cadabiaover competing network programming frameworks.Cadabia is a middleware service architecture for sharing dynamic classes and objects in network-based applications. A default database editor can either be run as a stand-alone RMI application or as a Web service. Cadabia queries can be used as properties of GUI components to read/update persistent data.Cadabia...
In this paper, we present iBroker, an intelligent broker for ontology based publish/subscribe systems which syntactically and semantically match incoming OWL data to multiple user profiles. iBroker effectively manages user profiles based on the semantics of query patterns in user profiles formulated in SPARQL. iBroker uses a semantic matching algorithm to efficiently process OWL data and generate...
In this paper, we propose a semantic-based access control method for grid data resources in the open grid services architecture - data access and integration (OGSA-DAI). The OGSA-DAI is an efficient grid-enabled middleware implementation of interfaces and services to access and control data resources (such as files, relational databases and XML databases). However, the identity-based access control...
RSS and atom feeds are XML representations of the entries in frequently updating Websites, which enable users to subscribe to those syndicated contents using feed readers. As feeds are gaining more and more adoptions due to the ubiquity of blogs, various extensions are written for them to carry more semantic information. Ordinary tools which treat them as simple XML documents on the Web are not sufficient...
Current fashion systems to interconnect large software architectures are moving toward SOA based solutions. This new paradigm for designing system can be improved, in our opinion, by using semantics. Semantics can a play a main role in boosting interoperability thanks to current technologies to express knowledge and to describe semantic Web services (SWS). This paper tackles the provision of a Software...
Web services are an integral part of industry standards and they can act as a basis for semantic interoperability among the various distributed systems across the Web in order to achieve the concept of semantic Web. Multi agent systems also have their utilization in such areas for example in electronic commerce agent systems are already supporting the automation and semiautomation of information gathering...
As the Web services and grid community adopt semantic Web technology, we observe a shift towards higher-level workflow composition and service discovery practices. While this provides excellent functionality to non-expert users, more sophisticated middleware is required to hide the details of service invocation and service integration. An investigation of a common bioinformatics use case reveals that...
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