| 摘要 |
PROBLEM TO BE SOLVED: To provide a multiple heterogeneity elimination searching method and a device for searching data from a plurality of databases by eliminating the heterogeneity of the plurality of databases which differ at least even partly in data structure, DBMS, and data representation even without specifying corresponding relation and transformation rule for each search request, and a recording medium recorded with a multiple heterogeneity elimination searching program. SOLUTION: By storing and managing data representation forms and transformation functions between the data representation forms, etc., respectively in an information resource dictionary 7a and a transformation function library 9, and using the data representation forms and the transformation functions between the data representation forms, an inquiry transforming unit 5 creates a search request sentence by transforming the representation form of search request data to the representation form of data used by a search subject database 21, and a database communication control unit 11 searches the search subject database 21 using the search request sentence. COPYRIGHT: (C)2004,JPO
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