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- W2378068099 abstract "In order to solve the problem that global query can not query heterogeneous data sources,this paper proposes to decompose the global query into sub-queries against heterogeneous data.It designs query decomposition and subquery reconstruction algorithm.Query decomposition is based on JavaCC and JJTree to abstract the global query into a syntax tree.Subquery reconstruction algorithm traversals the syntax tree,chooses different reconstruction algorithms based on the current node type,and constructs the sunquery based on different datasource." @default.
- W2378068099 created "2016-06-24" @default.
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- W2378068099 date "2010-01-01" @default.
- W2378068099 modified "2023-09-23" @default.
- W2378068099 title "Query Decomposition Algorithm Based on Multi-source Heterogeneous Data" @default.
- W2378068099 hasPublicationYear "2010" @default.
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