IEEE Transactions on Computers
Using Predeclaration for Efficient Read-Only Transaction Processing in Wireless Data Broadcast
IEEE Transactions on Knowledge and Data Engineering
An Efficient Protocol for Disseminating Consistent Data in Broadcast Environments
UDM '05 Proceedings of the International Workshop on Ubiquitous Data Management
Efficient Dissemination of Transaction-Consistent Data in Broadcast Environments
IEEE Transactions on Knowledge and Data Engineering
Concurrency control in mobile distributed real-time database systems
Journal of Parallel and Distributed Computing
Efficient cache invalidation schemes for mobile data accesses
Information Sciences: an International Journal
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In this paper, we address the issue of ensuring consistency of multiple data items requested in a certain order by read-only transactions in wireless data broadcast. To handle the inherent property in a data broadcast environment that data can only be accessed strictly sequential by users, we explore a predeclaration-based query optimization and devise two practical transaction processing methods in the context of local caching. We also evaluate the performance of the proposed methods by an analytical study. Evaluation results show that the predeclaration technique we introduce reduces response time significantly and adapts to dynamic changes in workload.