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Unclassified. DoD Metadata Registry And Clearinghouse Version 5.0 New Features. POC: Jay Chin jchin@fgm.com FGM Inc Aug 18 2004. Agenda. Overview of current Version 4.1 Why version 5 New Features Standard Support NCES / Core Service Notional components Future Gallery Map.
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Unclassified DoD Metadata Registry And Clearinghouse Version 5.0 New Features POC: Jay Chin jchin@fgm.com FGM Inc Aug 18 2004
Agenda • Overview of current Version 4.1 • Why version 5 • New Features • Standard Support • NCES / Core Service • Notional components • Future Gallery Map
DoD Metadata Registry Portal http://metadata.dod.mil • “One Stop” Publish & Subscribe for: • Build Time Metadata Registration • Pulling Re-usable Data Components • Information Community Management • Now Vending: • Database Segments • Reference Sets • Transformations • XML • Data/Metadata Tools • Taxonomies • More Products soon (e.g., symbology, translations) • Over 3,500 registered users Web-based! Purpose: visibility and re-use, not standardization through mandate!
DoD XML Gallery http://metadata.dod.mil/xmlreg/user - Global Net Access - Pub-Sub Registry - Business Rules - Organizations - Over 80,000 registered components - 86 Namespaces IOC: 19 May 1999 - Current Version = 4.1
Architecture of v4.1Current Version • Home page uses Weblogic Portal • Remaining pages are written in ColdFusion • DB is Oracle • Web server is Netscape Enterprise Developers, Architects, etc. GIG-ES Portal CORE Services GIG-ES Portal Metadata Registry Portal Translations Schemas Transformation Services Web Services REST WS-I XML Gallery Taxonomy Gallery Mediation Engine(s) Reference Data Sets Gallery Database Segments Gallery Data Elements Gallery 3rd Party Portlets BEA Weblogic Server & ColdFusion Oracle DB
20,000 Foot View DB Segments Assertions XML Schema Taxonomy Data Elements Reference Data Sets Data Models DoD Metadata Registry and Clearinghouse Metrics: User & System Access Re-use Downloads Viewing Search & Discovery HTTP Access Change Notifications Web Service Access Categorization Users Systems
Why version 5.0 • Consolidate COTS products • BEA Portal Platform • Oracle 9i (10g?) • Portals give end user more options • BEA is better suited for run-time services • Core data model for all types of artifact metadata • Increased reliability and uptime via clustering • Part of the NCES Discovery core service • Support other services such as mediation
New Features • Taxonomy gallery • OWL encoded format • Provides capability to tie any information resource to a node in a taxonomy • HTTP access to most artifacts in a W3C compliant manner • Branding • Improved Security • Auditing • Multiple authorization routes • Granular access rights • Federation capability • Portal – end user customization • Additional Web services • Search for all Information Resources • Retrieval for all information Resources
Standards Support • ebXML API compliance • Will have a standard profile for semantic interoperability • JAXR (registry API) • WSRP (Portals) • WS-I (web services)
ebXML compliance ebXML – Registry Services ebXML – Registry Information Model Notional Components MDR Portal XML Portlets Taxonomy Portlets Data Elements Portlets Inter-operate with other NCES portals via WSRP RDS Portlets DB Portlets BEA Auditing and Security Services SIPR and JWICS security accreditation NCES Security - BAH SDK Implement NCES security services (Interchangeable layer) Web Service JAXR API Standard support Leverage Open-Source Oracle RAC Increase reliability and performance MDR v5.0 DB
Future Gallery Map 2000 2001 2002 2003 2004 2005 adds progressively more metadata* “galleries” from various resources Ontologies Taxonomy Transformations Models(DDA) Data Elements (DDDS) Other XML Reg v1 XML Reg v3 XML Reg v2 XML Reg v4 Emporium Baseline (Ref Sets v1) DB Segs v0 EBXML DB Segs v1 Ref Tabs (Ref Sets v2) Symbology Messages ISO 11179 *Including valid values and “identifiers” required for linking