Reliable spatial window aggregation query processing algorithm in wireless sensor networks.
Liang LiuXiaolin QinGuineng ZhengPublished in: J. Netw. Comput. Appl. (2012)
Keyphrases
- times faster
- detection algorithm
- wireless sensor networks
- np hard
- cost function
- learning algorithm
- dynamic programming
- query processing
- preprocessing
- recognition algorithm
- expectation maximization
- optimization algorithm
- optimal solution
- tree structure
- spatial information
- matching algorithm
- energy efficient
- window size
- segmentation algorithm
- simulated annealing
- k means
- objective function