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Efficient and Secure Top-k Query Processing on Hybrid Sensed Data.

Haiqin WuLiangmin Wang
Published in: Mob. Inf. Syst. (2016)
Keyphrases
  • query processing
  • sensed data
  • database systems
  • similarity search
  • query optimization
  • cost model
  • proximity search
  • distributed systems
  • data collection
  • index structure
  • r tree
  • aggregate queries