Autonomic system management in mobile grid environments
ACSW '07 Proceedings of the fifth Australasian symposium on ACSW frontiers - Volume 68
SuMMIT - A framework for coordinating applications execution in mobile grid environments
GRID '07 Proceedings of the 8th IEEE/ACM International Conference on Grid Computing
Joint contexts optimization for mobile grid
Computers and Electrical Engineering
Context aware service provisioning in mobile grid
Journal of Network and Computer Applications
ISPA'07 Proceedings of the 5th international conference on Parallel and Distributed Processing and Applications
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This paper examines the problem of giving mobile users a possibility to access interoperability services based on ontologies and predefined concepts providing various meaningful objects and mechanisms to search, discover, invoke, compose and monitor appropriate grid-based services, applications as well as data sources in the Virtual Organization (VO) from any place in the world using mobile devices. Since mobiles as end devices are naturally used by humans to see a 'human-readable' content, in our opinion, they should also allow them to specify 'human-readable' queries instead of direct computer-interpretable queries to unknown remote service providers or databases. Based on the knowledge located in the interoperability space user's requests from mobile devices can be mapped and forwarded automatically to appropriate remote interfaces to take advantages of various functionalities offered by the grid and service providers available today in the Internet. Therefore, more efficient interaction between the user and remote service provider(s) can be established. In our approach, the real ontology services are available from mobile devices via the gateway due to weaknesses of mobile devices and the complexity of the ontology layer within the grid infrastructure. In this paper we describe several grid-based services developed for mobile users as well as some core services which have been adopted to work with mobile devices. Roles of a mobile client, grid-services and gateway played in some novel scenarios of ontology usage are also described. Finally, in this paper we discuss issues related to obstacles and limitations that we have been facing while using the chosen J2ME technology, and the ways we are solving them.