A project to build a giant Web services directory touted by the likes of Microsoft and IBM has yet to catch on, as companies stumble over technology hurdles and come to grips with market hype. Born during the business-to-business e-commerce craze, the directory project was touted as a "Yellow Pages" for e-commerce applications and services. The basis of the directory is a Web services specification called Universal Description, Discovery and Integration (UDDI), which identifies and catalogs Web services so they can be easily found online.
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