Page 2 - GAO-02-327 Electronic Government: Challenges to Effective Adoption of the Extensible Markup Language
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Contents













        Letter                                                                                                     1


        Executive Summary                                                                                          2

                                            Purpose                                                                2
                                            Background                                                             2
                                            Results in Brief                                                       4
                                            Principal Findings                                                     6
                                            Recommendations for Executive Action                                   9
                                            Agency Comments and Our Evaluation                                    10

        Chapter 1                           Background: Features and Current Federal Use
                                            of XML                                                                11

                                            Standardized Data Tagging Facilitates Information Exchange
                                               among Disparate Systems                                           13
                                            XML Supports Internet-Based Data Exchange                             16
                                            XML’s Technical Standards Provide the Tools to Describe and
                                               Exchange Data over the Internet                                    18
                                            XML Was Designed to Accommodate Numerous Extensions                   19
                                            XML Can Enhance Information Search, Retrieval, and Analysis           20
                                            XML Usage Complements Traditional Electronic Data Interchange
                                               Applications                                                       22
                                            Federal XML Projects Vary in Size and Scope                           26
                                            Objectives, Scope, and Methodology                                    31

        Chapter 2                           A Comprehensive Set of Standards for
                                            Implementing XML Is Only Partially in Place                           33

                                            XML Technical Standards Have Largely Been Defined                     33
                                            Additional Standards Have Been Proposed for Using XML to
                                               Conduct Electronic Business                                        35
                                            Business Process Standards Are Less Well-Developed than
                                               Technical Standards                                                36
                                            Potentially Useful XML Vocabularies Are Not Ready for
                                               Governmentwide Adoption                                            41


        Chapter 3                           The Federal Government Faces Challenges in
                                            Realizing XML’s Full Potential                                        44

                                            Implementing XML Presents Pitfalls                                    44
                                            Governmentwide Actions to Promote XML Adoption Have
                                               Focused on Education and Outreach                                  47




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