Multidimensional binary search trees used for associative searching
Communications of the ACM
Analysis of the Clustering Properties of the Hilbert Space-Filling Curve
IEEE Transactions on Knowledge and Data Engineering
Data-centric storage in sensornets
ACM SIGCOMM Computer Communication Review
Multi-dimensional range queries in sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
KDDCS: a load-balanced in-network data-centric storage scheme for sensor networks
CIKM '06 Proceedings of the 15th ACM international conference on Information and knowledge management
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In wireless sensor networks, various schemes have been proposed to efficiently store and process sensed data. Among them, the Data-Centric Storage (DCS) scheme is one of the most well-known. The DCS scheme distributes data regions and stores the data in the sensor that is responsible for the region. In this paper, we propose a new DCS based scheme, called Time-Parameterized Data-Centric Storage (TPDCS), that avoids the problems of storage hot-spots and query hotspots. To decentralize the skewed data and queries, the data regions are assigned by a time dimension as well as data dimensions in our proposed scheme. Therefore, TPDCS extends the lifetime of sensor networks. It is shown through various experiments that our scheme outperforms the existing schemes.