MSSUTop-: Determining the Minimum Scan Scope for UTop- Query over Uncertain Data
The semantics of UTop- k query is based on the possible world model, and the greatest challenge in processing UTop- k queries is the explosion of possible world space. In this direction, several optimized algorithms have been developed. However, uncertain databases are different in data distribution...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Hindawi - SAGE Publishing
2015-10-01
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| Series: | International Journal of Distributed Sensor Networks |
| Online Access: | https://doi.org/10.1155/2015/359137 |