Optimism and consistency in partitioned distributed database systems
ACM Transactions on Database Systems (TODS)
Concurrency control and recovery in database systems
Concurrency control and recovery in database systems
Disconnected operation in the Coda File System
ACM Transactions on Computer Systems (TOCS)
Mobile wireless computing: challenges in data management
Communications of the ACM
Broadcast disks: data management for asymmetric communication environments
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Distributed dynamic channel allocation for mobile computing
Proceedings of the fourteenth annual ACM symposium on Principles of distributed computing
Balancing push and pull for data broadcast
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Efficient concurrency control for broadcast environments
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
Broadcast protocols to support efficient retrieval from databases by mobile users
ACM Transactions on Database Systems (TODS)
Distributed and Parallel Databases - Special issue on mobile data management and applications
Semantic query caching in a mobile environment
ACM SIGMOBILE Mobile Computing and Communications Review
Data on Air: Organization and Access
IEEE Transactions on Knowledge and Data Engineering
Exploiting Versions for Handling Updates in Broadcast Disks
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
Certification reports: supporting transactions in wireless systems
ICDCS '97 Proceedings of the 17th International Conference on Distributed Computing Systems (ICDCS '97)
Optimal Channel Allocation for Data Dissemination in Mobile Computing Environments
ICDCS '98 Proceedings of the The 18th International Conference on Distributed Computing Systems
Scalable Processing of Read-Only Transactions in Broadcast Push
ICDCS '99 Proceedings of the 19th IEEE International Conference on Distributed Computing Systems
Efficient, Energy Conserving Transaction Processing in Wireless Data Broadcast
IEEE Transactions on Knowledge and Data Engineering
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Transaction processing is useful in a mobile environment. The inherent support for broadcast channels together with conventional point-to-point paradigm dictates different mode of transaction processing in the mobile context. To improve system scalability, a transaction should utilize relatively high bandwidth broadcast channels for its read operations on hot data items. Read operations on cold data items and update operations would be carried out via point-to-point channels on demand. We devise a concurrency control protocol that exploits both types of channels. We address the disconnection problem by caching data items needed at a mobile client, performing transactions locally, and committing them upon reconnection. The performance of our protocol is compared with other protocols through simulation.