designing the lot resource discovery service: architectures & models kathleen r. murray december...
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Designing the LOT Resource Discovery Service:Architectures & Models
Kathleen R. Murray
December 17, 2002
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12/17/02 LOT RDS: Architecture 2
Service-CentricVirtual Library
UserGroups
Resources
Technology
Management
SERVICES
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12/17/02 LOT RDS: Architecture 3
User-Driven Services
LIBRARY SERVICES
UserGroup
UserGroup
UserGroup
UserGroup
LibraryResources
LibraryTechnology
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12/17/02 LOT RDS: Architecture 4
Architecture
PROVIDER LAYER
SERVICES LAYER
USER LAYER
Communication Protocols
Communication Protocols
1
3
2
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12/17/02 LOT RDS: Architecture 5
Provider Layer
DigitalContent
Librarian Library Supplier
Provider Type Dependent on VL Service
ResourceDiscovery
Service
Virtual Reference
Service
ResourceSharingService
DocumentDeliveryService
USER LAYER1
3
2
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12/17/02 LOT RDS: Architecture 6
Services Layer
Standard Information Interchange Among Services
Financial
Authorization
ResourceSharing
PatronAccount
LibraryInformation
EducationResourceDiscovery
Reference Personalization
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12/17/02 LOT RDS: Architecture 7
Web Services
Building Blocks for Constructing Applications
Service A
Resource Discovery
Service B
Authorization
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12/17/02 LOT RDS: Architecture 8
Web Services:Components
Service A
Resource Discovery
Service B
Authorization
ServiceRegistry
ServiceRequestor
ServiceProvider
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12/17/02 LOT RDS: Architecture 9
Web Services:Protocol Stack
Layer Protocol
Discovery UDDI
Description WSDL
XML Messaging RPC-XML, SOAP
TRANSPORT HTTP, SMTP, FTP
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12/17/02 LOT RDS: Architecture 10
Web Services:Protocols
ServiceRegistry
ServiceRequestor
ServiceProvider
XML-Based Information Exchange
SOAP
UDDI - WSDLUDDI - WSDL
WSDL
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12/17/02 LOT RDS: Architecture 11
Web Services
ResourceDiscoveryService
Service B
Authorization
ServiceRegistry
UDDI - WSDLPublishUDDI - WSDL
Find
WSDL - SOAP
Invoke Service
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12/17/02 LOT RDS: Architecture 12
Resource Discovery
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12/17/02 LOT RDS: Architecture 13
Resource Discovery:Functional View
1. TexShare Databases
2. Electronic Archive of Government Information
3. Statewide Virtual Catalog
Content or Resource Collections
Middleware
LOT Search & Retrieval Interface
1. Broadcast Searching
a. Similar Resources
b.Dissimilar Resources
2. Common Retrieval Display
1. Translates Searches
2. Formats Retrievals
3. Interacts with Multiple IR Systems
Information Retrieval Systems
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12/17/02 LOT RDS: Architecture 14
Resource Discovery: Functions
Browse
SelectCollection
Evaluate
Search
Common User Interface
Personalize
Save
Acquire
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12/17/02 LOT RDS: Architecture 15
Resource Discovery:Architecture
DIGITAL CONTENT TexShare TRAIL VC Others
USER LAYER Library Home Office Mobile
SERVICES LAYER Resource Discovery
Z39.50
HTTP
OTHERPersonalization
Authentication
SOAP
SOAP
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12/17/02 LOT RDS: Architecture 16
Content
Content
Content
Content
Content
OAIRepository
Standards-basedSearch & RetrievalProtocols
Proprietary or Non-standard
Search & Retrieval Protocols
Content
Content
Content
Gateway
CommonInterface
Resource Discovery:Operational View
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12/17/02 LOT RDS: Architecture 17
Thank you!