This paper discusses the potential of using XML technologies as mediators for accessing and processing structured, relational data and semi-structured data over the Internet. Because significant gaps exist in all the reviewed XML data mediation approaches, a more comprehensive framework is presented. Some of the potential benefits of this architecture include: provides a clean abstraction of heterogeneous data for end users, applications, and Internet applications; supports all major data

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... s; uses one standard query language for all XML data queries; thus, optimizes and simplifying query writing; can be implemented in phases; consistent query language regardless of data source; returns all data results in XML format; provides different views of data according to different application needs; improves Internet spidering; continues to support all necessary DBMS functions; provides a platform for future growth; and encourages coherent and comprehensive data management and data modeling with organizations. 0-7695-