| http://www.w3.org/ns/prov#value | - The modified DBMS engine is able to directly It has read optimized storage format, sophisticated query process data from the HDFS (Hadoop Distributed File System) files at the block level, which means that the data execution, different kinds of indexes, data or query cache replication can be handled by HDFS naturally, and the block- better understanding the semantics of the application, etc. level
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