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

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

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

4. The issue...

5. MODELS 6 5 Independent Applications Independent Applications/ Unified presentation Unified service/ Flexible presentation Multiplying resources

6. MODELS 6 6 DiscoverLocateRequestDeliver Need for vertical and horizontal integration Variety of services Variety of protocols Variety of formats

7. Broker...

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

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

10. MODELS 6 10 Library Broker Component Examples SERVICE DESCRIPTION DISTRIBUTED SERVICE ACCESS SEARCH INTERFACES …. REQUEST INTERFACES DELIVERY INTERFACES LIBRARY BROKER USER PROFILE USER PROFILES CLIENT GATEWAY INFORMATION LANDSCAPE USER ACCESS Security and commerce APPLICATIONS FRAMEWORK DISCOVER LOCATE REQUESTDELIVER …. SCHEMA DESCRIPTION INTERFACE DESCRIPTION.... SERVICE DESCRIPTION SERVICE DESCRIPTION AND MAPPING

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

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

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

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

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

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

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

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

19. MODELS 6 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

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