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Information retrieval from heterogeneous information systems is required but challenging at the same as data is stored and represented in different data models in different information systems. Information integrated from heterogeneous data sources into single data source are faced upon by major challenge of information transformation-were in different formats and constraints in data transformation are used in data integration for the purpose of integrating information systems, at the same is not cost effective. This paper introduces idea of information integration based on search criteria from heterogeneous data sources into single data source.
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