Integrating domain heterogeneous data sources using decomposition aggregation queries
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摘要
Highlights•We introduce the decomposition aggregation query (DAQ) to handle domain heterogeneity.•We develop query rewriting algorithms for DAQs.•We process DAQs in two phases and optimize the query processing.
论文关键词:Semantic integration,Aggregation,Query optimization
论文评审过程:Author links open overlay panelJianXuPersonEnvelopeRachelPottingerEnvelope
论文官网地址:https://doi.org/10.1016/j.is.2013.06.003