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"Summary: A mashup is a technique for building applications that combine data from multiple sources to create an integrated experience. Many mashups available today are hosted as sites on the Internet, providing visual representations of publically available data. This article describes the history and architecture of mashups, and explores how you can create mashups for use in your enterprise. We also impart some wisdom gained from projects with customers and systems integrators who have implemented mashups for the enterprise. "
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