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Multi-level colocation and processing of spatial data on MapReduce
Multi-level colocation and processing of spatial data on MapReduce
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机译:MapReduce上空间数据的多级托管和处理
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摘要
Methods, systems, and computer program products for multi-level colocation and analytical processing of spatial data on MapReduce are provided herein. A method includes correlating multiple items of spatial data and multiple items of attribute data within a file system to generate multiple blocks of correlated data; colocating each of the multiple blocks of correlated data on a given node within the file system based on a data block placement policy; and clustering multiple replicas generated for each of the multiple data blocks at multiple levels of spatial granularity within the file system.
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