spatial aggregate distributed

  • IJGI | Special Issue : Distributed and Parallel ...

    Jun 30, 2019 · The location-based aggregate queries, consisting of the shortest average distance query (SAvgDQ), ... and it is also able to efficiently support any other distributed spatial big data systems. Full article (This article belongs to the Special Issue Distributed and Parallel Architectures for Spatial Data)

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  • What do you mean by GIS Aggregation - Publish Your Articles

    In fact, one cannot make any inference concerning the cause of the relationship without further analysis. Finally, cross-area aggregation refers to the transfer of aggregate spatial data from one zoning system to another. The most common approach for this task is to use area weighting, which assumes that data are distributed .

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  • A Distributed Spatial Index for Time-Efficient Aggregation ...

    In this paper, distributed spatial index structure in sensor networks for time-efficient aggregation query processing is proposed. The main idea is logically to organize sensors in underlying networks into distributed R-Tree structure, named Sensor Tree.

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  • A Privacy-Preserving Distributed Smart Metering Temporal ...

    Abstract: A distributed temporal and spatial aggregation scheme for privacy-preserving smart metering is presented. This scheme preserves the privacy of fine-grained utility usage data of individual users while reporting: 1) spatially aggregated utility usage data of a community at fine-grained time ...