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This paper proposes a Semantic Web-based context ontological reasoning service for multimedia conferencing process management. When the chairman enters the basic conference information, the process will automatically select the appropriate means of notifications based on the conference time and the participant contact details. In this system, all types of multimedia conferencing processes are encapsulated in Web services and deployed on an enterprise service bus. A large multimedia conference ontology is created that contains business rules. In addition, with the objective of improving and management for data redundancy in ontological reasoning service, we propose an extensible breadth-first-search-based graph search algorithm that can successfully eliminate the redundant portion of the ontology, which can ensure validity of context ontology reasoning. Finally, the proposed multimedia conferencing process management can obtain the desired results, and some corresponding experimental analysis are reported. [ABSTRACT FROM PUBLISHER]

Enriching business process models with semantic annotations that are taken from an ontology has become a crucial need in service provisioning, integration and composition, and business processes management. We represent semantically annotated business processes as part of an Web ontology lanuage knowledge base that formalizes the business process structure, the business domain, a set of criteria that describe correct semantic annotations, and a set of constraints that describe requirements on the business process itself. In this paper, we show how the Semantic Web representation and reasoning techniques can be 1) exploited by our aspect-oriented approach to modularize exception-handling (as well as other crosscutting) mechanisms and 2) effectively applied to formalize and automatically verify constraints on the management of exceptional flows (as well as other relevant flows) in business processes. The benefits of the Semantic Web and the aspect-oriented technologies are illustrated in a case study, where exceptional flows are modularized separately and managed at the semantic level due to the proposed approach. [ABSTRACT FROM PUBLISHER]