Quasi serializable concurrency control in mobile broadcast environments |
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| Authors: | Dang Depeng Liu Yunsheng |
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| Affiliation: | 1. College of Information Science and Technology, Beijing Normal University, Beijing 100875, P.R.China
2. College of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, P.R.China |
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| Abstract: | The problem of maintaining data consistency in mobile broadcast environments is researched.Quasi serializability is formally defined and analyzed at first.It was shown that quasi serializability is less stringent than serializability when database consistency is maintained for transactions.Then,corresponding concurrency control protocol that supports both update transactions and read-only transactions is outlined for mobile broadcast environments.Finally,the simulation results confirmed that the proposed protocol could improve the response time significantly. |
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| Keywords: | mobile database data broadcast mobile transaction concurrency control |
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