Quickly generating billion-record synthetic databases
SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
Broadcast disks: data management for asymmetric communication environments
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Efficient indexing for broadcast based wireless systems
Mobile Networks and Applications - Special issue on mobile computing and system services
Joint broadcast scheduling and user's cache management for efficient information delivery
MobiCom '98 Proceedings of the 4th annual ACM/IEEE international conference on Mobile computing and networking
Performance evaluation of a wireless hierarchical data dissemination system
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Client-server computing in mobile environments
ACM Computing Surveys (CSUR)
Indexing techniques for wireless data broadcast under data clustering and scheduling
Proceedings of the eighth international conference on Information and knowledge management
Proceedings of the ninth international conference on Information and knowledge management
Data on Air: Organization and Access
IEEE Transactions on Knowledge and Data Engineering
Mobile Computing and Databases-A Survey
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
Adaptive Data Broadcast in Hybrid Networks
VLDB '97 Proceedings of the 23rd International Conference on Very Large Data Bases
Dynamic Data Delivery in Wireless Communication Environments
ER '98 Proceedings of the Workshops on Data Warehousing and Data Mining: Advances in Database Technologies
Broadcast Scheduling for Information Distribution
INFOCOM '97 Proceedings of the INFOCOM '97. Sixteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Driving the Information Revolution
Multi-Level Multi-Channel Air Cache Designs for Broadcasting in a Mobile Environment
ICDE '00 Proceedings of the 16th International Conference on Data Engineering
Optimal Index and Data Allocation in Multiple Broadcast Channels
ICDE '00 Proceedings of the 16th International Conference on Data Engineering
Indexed Sequential Data Broadcasting in Wireless Mobile Computing
ICDCS '97 Proceedings of the 17th International Conference on Distributed Computing Systems (ICDCS '97)
IPDPS '05 Proceedings of the 19th IEEE International Parallel and Distributed Processing Symposium (IPDPS'05) - Workshop 12 - Volume 13
A New Hybrid Scheduling Framework for Asymmetric Wireless Environments with Request Repetition
WIOPT '05 Proceedings of the Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks
An Energy-Efficient and Access Latency Optimized Indexing Scheme for Wireless Data Broadcast
IEEE Transactions on Knowledge and Data Engineering
Efficient index and data allocation for wireless broadcast services
Data & Knowledge Engineering
A linearly convergent method for broadcast data allocation
Computers & Mathematics with Applications
Power-aware data retrieval protocols for indexed broadcast parallel channels
Pervasive and Mobile Computing
Spatial data channel in a mobile navigation system
ICCSA'05 Proceedings of the 2005 international conference on Computational Science and Its Applications - Volume Part II
Information Sciences: an International Journal
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The research issue of broadcasting has attracted a considerable amount of attention in a mobile computing system. By utilizing broadcast channels, a server is able to continuously and repeatedly broadcast data to mobile users. From these broadcast channels, mobile users obtain the data of interest efficiently and only need to wait for the required data to be present on the broadcast channel. Given the access frequencies of data items, one can design proper data allocation in the broadcast channels to reduce the average expected delay of data items. In practice, the data access frequencies may vary with time. We explore in this paper the problem of adjusting broadcast programs to effectively respond to the changes of data access frequencies, and develop an efficient algorithm DL to address this problem. Performance of algorithm DL is analyzed and a system simulator is developed to validate our results. Sensitivity analysis on several parameters, including the number of data items, the number of broadcast disks, and the variation of access frequencies, is conducted. It is shown by our results that the broadcast programs adjusted by algorithm DL are of very high quality and are in fact very close to the optimal ones.