E-Government Registry / Repository for Data Dictionary & XML Schema Proof of Concept UK Office of eEnvoy & MOD Leverage e-GIF & e-GMS metadata e-Government Interoperability Framework ebXML = Recommended e-GMS Content Management incorporates Dublin Core Joint Project e-Government & ebXML Registry TCs Paul Spencer @ Boynings Farrukh Najmi @ Sun / FreebXML Registry Maewyn Cumming @ UK Government Cabinet Office Carl Mattocks @ CHECKMi E-Government Registry XML Gov 8/04

Carl Mattocks @ CHECKMi.com Co-Chair (ISO/TS 15000) ebXMLRegistry Semantic Content SC Co-Chair Business Centric Methodology TC CEO CHECKMi Multiple Agent Training Engine binding 1000 databases Federation of Vendor Repositories CA AllFusion, Logidex, Unicorn, Tivoli (OPC, Maestro) BCM Compendium (.Net open source code) Crosswalk UDDI / ebXML Registry / Local DataStore Multiple Taxonomies, Z39.50 SRW Gateway, XACML E-Government Registry XML Gov 8/04

e-Business Service Needs Support communities of users – locally, regionally, nationally, internationally. Enable industries, services and government to create service processes that support internationally agreed business process definitions, trust mechanisms and process control methods Neutral approach not tied to specific middleware or transport systems Use natural knowledge models suitable for wide audience not just IT support specialists Ability to mitigate business vocabularies and multi-lingual challenges Provide the process details to direct implementation systems E-Government Registry XML Gov 8/04

E-Government Registry ebXML Registry One interface (HTTP, SwA, ebMS) Electronic Forms Web Services / WSRP Collaboration Agreements Business Process Requirements, Objects, Data Domain specific Semantics and Relationships between Assets & Artifacts SQL queries and APIs E-Government Registry XML Gov 8/04

Business Centric Methodology Enables precise communication between business users and technical experts & enterprise applications and their respective business partner systems Involves a layered approach for strategically managing artifacts and constraints while achieving semantic interoperability E-Government Registry XML Gov 8/04

Federated e-Business Registries BCM exploits the discovery & collaboration capabilities of Registries to ensure that assets are controlled, made visible, and shared with partners for integration. BCM uses Registry / Repository to securely store XML artifacts (e.g. XSDs, data elements) and non-XML artifacts (e.g. Templates) Registry D Registry E Registry B Registry A Registry C E-Government Registry XML Gov 8/04

ebXML Registry Information Model (RIM) - Classification Classification trees constructed with ClassificationNodes are used to define the structure of Classification schemes or ontologies RegistryObject ClassificationNode Classification RegistryEntry Association A Classification instance identifies a ClassificationScheme instance and taxonomy value defined within the classification scheme ClassificationScheme RegistryPackage ExtrinsicObject Service The structure of the classification scheme may be defined internal or external to the registry Person E-Government Registry XML Gov 8/04

Federated Content Management Needs A Federated Registry not only acts as an interface to a Repository of stored content, it formalizes how information is to be registered and shared beyond a single enterprise or agency. Specifically, a federated content management capability is required when there is a need for managing and accessing metadata across physical boundaries in a secure manner. Those physical boundaries might be the result of community-of-interest, line of business, system, department, or enterprise separation. Irrespective of the boundary type, a Federated Registry must enable information users to seamlessly access, share and perform analysis on information, including : map of the critical path of information flowing across a business value chain; quality indicators such as statements of information integrity, authentication and certification; and policies supporting security and privacy requirements. E-Government Registry XML Gov 8/04

Federated XML Schema Management Needs Interacting organizations need re-usable data items with known semantics These items are required as XML Schema components The Schema (document) and the Components must be shared within and often outside the organization Components may use external components such as code lists Domain Components must be managed cooperatively Core components must be common Data definition arbitration agreements are essential Data types must be standardized E-Government Registry XML Gov 8/04

Registry / Repository Assemble, Populate, Use, Import / Export, Manage E-Government Registry XML Gov 8/04

Simplex XML Government Requirements ¿ reconcile data elements that are common across lines of business ? Enter XML Schema representations and their definitions Manage multiple versions of schemas & associated metadata into the registry / repository multiple collaborators e.g. UK OeE & MOD ¿ collaborate to specify elements that are truly unique and, thus, distinguish a LOB from others ? Perform a "what-if" analysis, impact of a planned change ¿ suggest XML names that comport with guidance, such as that issued by DON? Create schema documents from components E-Government Registry XML Gov 8/04

MOD Data Dictionary - ACCORD E-Government Registry XML Gov 8/04

Government Data Standards Catalogue E-Government Registry XML Gov 8/04

Not-So-Simple XML Government Requirements ¿ given the "data object definitions" relate them to each other in terms of semantics, and facilitate the specification of XML tags for each element ? Present Naming Convention rules that embed International / Regional / Local concepts in Component names Core Components Naming Convention rules (mostly based on ISO/IEC 11179 Part 5) has 3 major parts . For example, Object Class(Abstract), Property Term (valid values), Representation Term (form) UBL Naming and Design Rules Subcommittee have an XSD module demonstrating how to construct datatypes for code lists http://www.oasis-open.org/committees/ubl/ndrsc/current/CodeListModuleTemplate.xsd Note : Expect to discover common structures across e-Government Service Schemas E-Government Registry XML Gov 8/04

E-Government Registry Core Components have NO Context independent of Use – Need Business Aggregation E-Government Registry XML Gov 8/04

Context :Core Component Classification E-Government Registry XML Gov 8/04

E-Government Registry Complex XML Government Requirement - Semantic Analysis of Schema and / or Components Isomorphic meaning comparison consider if all components are the same Domain meaning the components have same class of relationship with other components, per namespace Standard meaning in context, as in a data dictionary Axiomatic meaning the precondition & post condition of schema (as an abstract data type ) after a component change (axioms insert, delete) Denotational meaning the (valuation) function e.g. two provide same result Operational meaning the rules e.g. requires certain input to provide specific output E-Government Registry XML Gov 8/04

Semantic Spectrum : Layers of Wisdom Business Usage Semantics System Interoperability OWL-S Ontology + Business Agreement Templates RDFS / UML / Topic Map / UNSPSC DTD / XML Schema / Dublin Core Object Oriented Model / Thesaurus Info Engineering Model Data Dictionary Data Usage Semantics Service Quality E-Government Registry XML Gov 8/04

Registry Metadata, Repository Artifacts - Phase 1 Enter schemas and the associated metadata Enter schema components (global data types, elements and attributes) and associated metadata Enter other document types with associated metadata Hold schema definitions in a syntax-independent manner - sufficient information must be held in the registry to create the component from metadata Metadata to be supported will vary according to the three document types (schema, schema component or other) and will be a subset of that defined in the UK e-GMS Search on certain metadata information and extract all matching schemas, components or other documents Construct schemas from components E-Government Registry XML Gov 8/04

Registry / Repository Artifacts- Later Phases The ability to interoperate between Registries. The ability to add MOD-specific metadata. Mapping metadata via the CCRIM Phase 3 Incorporate Digital Signature Services E-Government Registry XML Gov 8/04

With thankful links to : Members of ebXMLRegistry Semantic Content SC http://www.oasis-open.org/committees/sc_home.php?wg_abbrev=regrep-semantic Members of Business Centric Methodology TC http://www.oasis-open.org/committees/download.php/5931/BCM%20Executive%20Brochure.pdf Contact: CarlMattocks@CHECKMi.com E-Government Registry XML Gov 8/04