POC: Jay Chin

1
Unclassified
DoD Metadata Registry And Clearinghouse Version
5.0 New Features

• POC Jay Chin
• jchin_at_fgm.com
• FGM Inc
• Aug 18 2004

2
Agenda

• Overview of current Version 4.1
• Why version 5
• New Features
• Standard Support
• NCES / Core Service
• Notional components
• Future Gallery Map

3
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!
4
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
5
Architecture of v4.1Current Version
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
Data Elements Gallery
Database Segments Gallery
3rd Party Portlets
BEA Weblogic Server ColdFusion

• Home page uses Weblogic Portal
• Remaining pages are written in ColdFusion
• DB is Oracle
• Web server is Netscape Enterprise

Oracle DB
6
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

7
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

8
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

9
Standards Support

• ebXML API compliance
• Will have a standard profile for semantic
  interoperability
• JAXR (registry API)
• WSRP (Portals)
• WS-I (web services)

10
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
11
Future Gallery Map
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