Invention Application
US20080059449A1 Apparatus and method for processing queries against combinations of data sources 有权
用于根据数据源的组合处理查询的装置和方法

Apparatus and method for processing queries against combinations of data sources
Abstract:
A computer readable medium includes executable instructions to receive a query based on a semantic abstraction that describes at least one underlying data source. The semantic abstraction includes at least one nested semantic abstraction. The query is analyzed to produce data source specific queries. The data source specific queries are analyzed to produce results, which are returned.
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