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MIA, Agora, ...

MIA, Agora,. Lorcan Dempsey UKOLN. UKOLN is supported by. … and it provides research, awareness and information services for the library and information communities. MIA. Library, ... Communication vocabulary shape of the world Reference model Workshop 7. The issue.

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MIA, Agora, ...

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  1. MIA, Agora, ... Lorcan Dempsey UKOLN

  2. UKOLN is supported by ... … and it provides research, awareness and information services for the library and information communities ... MODELS 6

  3. MIA ... • Library, ... • Communication • vocabulary • shape of the world • Reference model • Workshop 7 MODELS 6

  4. The issue ...

  5. Multiplying resources P O R/S Independent Applications/ Unified presentation Unified service/ Flexible presentation Independent Applications MODELS 6

  6. Need for vertical and horizontal integration Discover Locate Request Deliver Variety of services Variety of protocols Variety of formats MODELS 6

  7. Broker ...

  8. Client MODELS Brokerage Metaphor - Vertical Integration Clients describe services required Trading Place Servers advertise services provided Service Module Service Module • Rendezvous point for service requests • and service providers MODELS 6

  9. Client Agent MODELS Brokerage Evolution - Horizontal Integration Library Broker Trading Place/Request Broker Locate Service Module Request Service Module Deliver Service Module Discover Service Module Authentication Service Module Commerce Service Module • Bespoke application >>> distributed objects • Shared services - eg authentication • Broker <> broker (regional, curatorial, …) MODELS 6

  10. USER ACCESS INFORMATION LANDSCAPE USERPROFILES CLIENT GATEWAY USER PROFILE APPLICATIONS FRAMEWORK LOCATE REQUEST DELIVER DISCOVER SERVICE DESCRIPTION AND MAPPING .... INTERFACEDESCRIPTION SCHEMA DESCRIPTION SERVICE DESCRIPTION DISTRIBUTED SERVICE ACCESS DELIVERYINTERFACES SEARCHINTERFACES …. REQUESTINTERFACES Library Broker Component Examples LIBRARY BROKER …. SERVICE DESCRIPTION Security and commerce MODELS 6

  11. Reference model User Processes (Potentially Iterative) Data Entities Discover Locate Request Deliver Collection & Service Descriptions Information Object Descriptions (potentially multi-level & multi faced) Information Objects - physical / digital Terms of Availability Order Information User Information Information Object Identifier(match) Information Object Identifier Information Object Identifier + Order Information Helper Applications eg Security MODELS 6

  12. Generic Architecture - Helper Components USER/ BROKER BROKER/ SUPPLIER SEARCH LOCATE REQUEST DELIVER AUTHENTI CATION SECURITY PAYMENT HELPERS MODELS 6

  13. Broker - Z39.50 discovery (draws on AHDS example)

  14. End User Admin User Service Example (Z39.50 Discovery Only) External Z39.50 Client Z39.50 Searches HTTP SQL Library Broker Distributed Z39.50 Searches ... Target 1 Target 2 Target 3 Target 4 Target 5 MODELS 6

  15. Library Broker Components (Z39.50 Discovery Only) Web Browser Z39.50 Client Administration Client LIBRARY BROKER Client Gateways Dynamic Interface Definition User Access Information Landscape Definition User Profiles Service Description & Mapping Database Profiles Schema Definitions Explain Service Record Syntax Conversion Distributed ServiceAccess Parallel Query Manager Z39.50 Client Sessions Z39.50 Targets MODELS 6

  16. Z39.50 Explain Z39.50 Server Centroid Exporter Text Retrieval Engine WWW Gateway Z39.50 Client Datastore Service Provider Component (Z39.50 Discovery Example) Library Broker Non - Z39.50 Access Outgoing Searches MODELS 6

  17. Extensibility - e.g. Clump Network Network Gateway 2 User Community Clump Gateway 2 Gateway 1 User Community Clump Gateway 1 Clump Gateway 3 Gateway 3 User Community Target A Target G Target B Target F Target C Target D Target E MODELS 6

  18. Integrated service library broker (The example of AGORA)

  19. Agora • Broker based Hybrid Library Management System • EDDIS, NewsAgent, MODELS • metadata management • Routine ‘collection management’ • Collaborative • UEA, UKOLN, CERLIM, FDI • Library partner group • Service provider group • Technical group • Collaborative environment MODELS 6

  20. AGORA - Integrated Service e.g. USER ACCESS APPLICATIONS FRAMEWORK SERVICE DESCRIPTION SERVICE DESCRIPTION AND MAPPING DISTRIBUTED SERVICE ACCESS Info landscape, user profiles Discover, locate, request, deliver Collection description. Centroids, Explain, conversion, ... Search: Z39.50, Whois++, RDF??Request: ILL, ART, HTTP, …Deliver: EDDIS, JEDS (Union) catalogues- BLCMP, Viscount, COPAC, …- BL, libraries - Clumps CD-ROMS (SliverPlatter)Datacentres - (Edina, MIDAS, ..)Subject services ***Search enginesAHDSNFF archives BLDSCEDDISVISCOUNTCatalogues …??? Metadata managementAlerting MODELS 6

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