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Building A Statistical Metadata Registry at the Census Bureau

Building A Statistical Metadata Registry at the Census Bureau. By Martin V. Appel Daniel W. Gillman U.S. Bureau of the Census. Introduction. Definitions Standards Models Tools Implementation. Definitions. Statistical Metadata.

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Building A Statistical Metadata Registry at the Census Bureau

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  1. Building A Statistical Metadata Registry at the Census Bureau By Martin V. Appel Daniel W. Gillman U.S. Bureau of the Census

  2. Introduction • Definitions • Standards • Models • Tools • Implementation

  3. Definitions Statistical Metadata • Descriptive information or documentation that facilitate data sharing and understanding over the lifetime of the data. • Systems Level Components • Applications Level Components • Administrative Level Components

  4. Census Bureau Metadata Objectives • Gain Acceptance of One Logical Metadata Registry Model • Support wide Range of Projects, Surveys, Applications, and Users • Comply with Federal Standards

  5. Purposes of a Statistical Metadata Registry • End-user oriented • Production oriented

  6. Related Initiatives • Internet Steering Committee Proposal • BOC’s Survey Design and Statistical Methodology (SDSM) Standards Initiative • DSD/FERRET Repository Interface • Product Registration • DADS Prototype 1 Metadata • STEPS Generalized System for Economic Current Surveys • Integrated Census Environment (Formerly Integrated Processing System) /CASRO

  7. What is BOC Metadata Registry? • Electronic Library for Accessing Data with an Electronic Card Catalog System • Components Include • Business Data Model • Provides information about surveys and products • content • location • descriptions • Data Element Registry • Provides information about data items • names • definitions • categories

  8. Why Do We Need a “Corporate Metadata Registry?” • Allows Sharing of Data • Re-use of Data Items “Corporate” data dictionary • Facilitates Reengineering Survey Processes • Survey Analysts can Access Existing Data and Associated Links for New Surveys • questions • definitions • interviewer’s manual instructions • edits • etc. • Meets Our Customer Needs

  9. BOC Metadata Registry Prototype Document Mgtmt System • FERRET DADS PCDOCS StEPS Standard Interface Business Data Model + DER Model + Meta Model (access, search, security) Document Mgtmt System Variables / Documentation/ Data sets/ Tools Registration Tool TOC Browser Tool Metadata CRUD Tool

  10. StandardsSupporting the MDR MDR MMSD X3.285 SDSM Census Bur

  11. Models • Business Data Model • Data Element Registry Model • Metamodel • Business Process Model • Table of Contents

  12. Integrated Statistical Model Metadata Repository Metamodel Data Element Registry Model Business Data Model

  13. Repository Model Overview Registration Business Data Documen- tation Data Element Metamodel

  14. Business Data Model Survey Instance Survey Questionnaire Survey Dataset Sample Questions Universe/Frame Products

  15. Metadata Management Metadata Administration Content and Storage System Integration Registration and Retrieval

  16. Implementation • Transition Plans • Tools • Metadata Management • Registration and Collection • Blue Angel Technologies • Standards Harmonization and Templates • Bluestone Software • Middleware and Integration • Data Access and Dissemination System

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