Development and Implementation of a Domain Broker for the Semantic Web

Editora:

KS OmniScriptum Publishing

Código:

491_9783639059359

Vendido e entregue por Um Livro

Sinopse
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Autonomously evolving information systems are the basis of the Semantic Web. In contrast to the WWW of today, the nodes in the Semantic Web reach beyond the pure viewing of web pages. As Web Services, they are able to answer on requests. But moreover, the reaction on events, such as database updates generated on remote nodes in the web, is possible. This reactive behavior was implemented in a framework that covers evolution and reactivity via Event-Condition-Action rules. The designated action will be executed if a specific event occurs which fulfills an optional condition. To also allow for automated reasoning, the framework follows an ontology-based approach. An ontology, usually distributed over several nodes, defines a meaningful, computer-processable relation between concepts of a domain as a knowledge base. With these ontologies, a domain-dependent reaction on events is possible. In this thesis, a Domain Brokering Service for the distribution of events, the execution of actions, and information retrieval in form of SPARQL requests is developed. To support the facile integration of the Domain Broker into existing information services, standard web technologies are used.

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