ims 5010 - evidence and metadata 30 may 2006
DESCRIPTION
IMS 5010 - Evidence and Metadata 30 May 2006. ‘Create once, use many times’. Investigating metadata interoperability in the Clever Recordkeeping Metadata Project. Service Descriptions. Registry. Points to description. Locate service. Describes service. Finds service. Consumer. - PowerPoint PPT PresentationTRANSCRIPT
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IMS 5010 - Evidence and Metadata30 May 2006
Investigating metadata interoperability in the Clever Recordkeeping Metadata Project
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Imagining automated metadata re-use
Consumer
Registry
Finds service
Service Descriptions
Points to description
TranslationService
Describes service
Locate service
Exchange messages
Source: Based on diagram from http://www.softstar-inc.com /
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Clever Recordkeeping Metadata Project
Chief Investigator• Professor Sue McKemmish, Monash
University
Partner Investigators • Professor Anne Gilliland-Swetland, UCLA• Adrian Cunningham, National Archives of
Australia
Industry Partners and Collaborators• National Archives of Australia• State Records Authority of New South
Wales• Australia Society of Archivists, Committee
on Descriptive Standards
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Create once, use many times
How to enable recordkeeping metadata interoperability?
Practical Perspectives
Overcome barriers to implementation of
recordkeeping and resource discovery standards
Demonstrate the business case for recordkeeping
metadata
Research Perspectives
Explore role of recordkeeping metadata in support of
business and recordkeeping processes
Impact on recordkeeping and archiving functions
Requirements for meta-tools for recordkeeping metadata management
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Web Management System
Traditional recordkeeping architectures
Records Management Application
Archival Management Application
Subject Portals
Community Archives
Archival Gateways
Business Systems
Desktop Applications
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Metadata broker as middleware
Records Management Application
Archival Management Application
Subject Portals
Community Archives
Web Management
Systems Archival Gateways
Email and Desktop
Applications
Metadata Broker
Business Information
Systems
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Metadata broker as middleware (cont.)
Records Management Application
Archival Management Application
Subject Portals
Community Archives
Web Management
Systems Archival Gateways
Email and Desktop
Applications
Metadata Broker
Business Information
Systems
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Metadata broker as middleware - outcomes
• Observations– Standards not as interoperable as assumed– Complexity in recordkeeping metadata re-use – Limitations of current recordkeeping metadata
standards• Reflections on observations
– Sustainability requires moving beyond hand crafting crosswalks and hard wiring applications
– Constraints of records management and archival processes, technologies and tools developed for paper recordkeeping and in application-centric IT environments
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Second iteration agenda
• Develop metadata broker as a cluster of web services
• Revise scenario processes in line with continuum and SOA view
• Test use of broker within such a framework• Develop business case for recordkeeping
metadata in such a framework
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Service oriented architectures
Open systems
Open standards
Open communicationprotocols
Service Oriented Architecture
Standards Metadata
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Web services technologies
Consumer
UDDIRegistry
Finds service
WSDLService
Descriptions
Points to description
Service
Describes service
Locate service
Exchange messages - SOAP
Source: Based on diagram from http://www.softstar-inc.com /
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Translation service
CRKM Metadata Broker November 2005
RegistryAuthoritative information on metadata
schemas, metadata elements and crosswalks in human readable and
machine processable forms
Target metadata
Request for Schema
Schema information
Registration
Source metadata
Validation service
Crosswalk compilation service
RepositoryMachine processable
representations of metadata schemas and crosswalks
Registry services
Crosswalk compilation service
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ebXML Registry
• Two part specification of requirements for object repository and associated registry– ebXML Registry Information Model– ebXML Registry Services and Protocols
• Availability of freeBXML Registry - open source reference implementation of an ebXML Registry – see http://ebxmlrr.sourceforge.net/
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CRKM Registry
Metadata broker as web services cluster
ebXML Registry
CRKM BrokerSchemas
Crosswalks
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UDDI RegistryUDDI
Registry
CRKM Registry Implementation Framework
CRKM Registry
ebXML Registry
UDDI Registry
WSDL service descriptions
MADRAS Registry
External links to entries for versions of standards
Querying for schema and crosswalk objects
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Metadata broker as web services cluster
Translation Service
Web Service Layer
Metadata Registry
Web Service Layer
AGEMS
Request to translate
AGEMS to RKMSCA
AGEMS – RKMSCA Crosswalk Service
Web Service Layer
Metadata Broker Client
Request the AGEMS – RKMSCA crosswalk
RKMSCA
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CRKM Registry Information Model
Layer 3
Abstract
Layer 2
Representation
Conceptual Model
Metadata/Data Standard
Metadata/Data Standard
Metadata/Data Standard
Version 1
Encoding 1
Version 2 Version n
Encoding 2 Encoding n
Version 1 Version 2 Version n Registry Objects
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Realising sustainable interoperability
API EDI Middleware Web services
Service oriented
architecture
Prototype
Conceptualisation
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Service oriented architectures
Data/Information/Object Stores
Business Process Engines
Infrastructure Services
Utility Services
Business Services
Service Bus
Service Registries
Metadata Registries
Business Logic/Rule Bases
Recordkeeping Services
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Recordkeeping services in SOA
Data/Information/Object Stores
Recordkeeping Business Process
Engines
Infrastructure Services
Utility Services
Recordkeeping Business Services
Service Bus
Recordkeeping Service Registries
Recordkeeping Metadata Registries
Recordkeeping Business Logic/Rule
Bases
Metadata Broker
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Conclusions
• Extent to which paper paradigms still dominate recordkeeping practice
• Why the service oriented paradigm is desirable for recordkeeping
• Point to the degree of re-thinking required in the profession to make recordkeeping in such environments a reality
• Highlight the infrastructure required to support clever metadata, particularly the role of registries at different levels of operation and granularity
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Conclusions (continued)
• For schema and standard developers– Moving from compliance to interoperability
requires rigorous conceptual modelling translatable into unambiguous and precise representations for machine processing
– Need for identification and descriptive frameworks for schemas to facilitate their use
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For more information
• See the Clever Recordkeeping Metadata Project web site at:-
http://www.sims.monash.edu.au/ research/rcrg/research/crm/index.html