Millman—Nov 04—1 An Update on Digital Libraries David Millman Director of Research & Development Academic Information Systems Columbia University

Millman—Nov 04—2 Today’s Agenda Historical examples An architectural way of looking at the territory Current examples at my institution

Millman—Nov 04—3 Dig Lib History—1 non-networked: CD’s, videodisk (’80s) networked –ftp, simtel-20 “archive” –campus-wide information systems NSF DLI “1” awards (1994) –monolithic systems –comprehensive systems –document processing –architectures –formats (video, GIS, SGML text) Industry initiatives (mid ’90s) –web site as public presence –unmediated technical libraries –search engines

Millman—Nov 04—4 Dig Lib History—2 Digital Library Federation (1995) – initially “a dozen” research libraries – provide leadership NSF DLI “2” awards (1999) – many smaller projects – independent technology & content Libraries common practices –metadata focus –separation of objects from processes Industry and higher-ed common practices –workflow / CMS –learning management systems –institutional repositories –archives

Millman—Nov 04—5 Architecture Layers Interface Index / Services Access Management Identifier Management Storage

Millman—Nov 04—6 Some Applications Learning Management System Institutional Repository Image Databank

Millman—Nov 04—7 Applications in context Learning Management System Institutional Repository Image Databank index access control identifiers storage stg

Millman—Nov 04—8 Architecture Layers Interface Index / Services Access Management Identifier Management Storage

Millman—Nov 04—9 Storage Activities scalable ways of preserving bits format registries and migration tools “archival” metadata packaging policy and process

Millman—Nov 04—10 Architecture Layers Interface Index / Services Access Management Identifier Management Storage

Millman—Nov 04—11 Identifiers persistent identifier technologies services –appropriate copy issues –versions / editions –assignment authority

Millman—Nov 04—12 Architecture Layers Interface Index / Services Access Management Identifier Management Storage

Millman—Nov 04—13 Access Mgmt Activity rights expression languages secure assertion languages applications / protocols policy

Millman—Nov 04—14 Architecture Layers Interface Index / Services Access Management Identifier Management Storage

Millman—Nov 04—15 Higher level services discovery –retrieval –registries metadata –standards –interchange / processing –structural

Millman—Nov 04—16 Architecture Layers Interface Index / Services Access Management Identifier Management Storage

Millman—Nov 04—17 Interface Activity application categories delivery platforms

Millman—Nov 04—18 Local Examples Electronic Publishing Initiative at Columbia (EPIC) –collaboration among libraries / technology / university press –experiments in workflow, sustainability, infrastructure Columbia Center for New Media Teaching and Learning (CCNMTL) –innovation in networked learning –strong teaching faculty engagement Department of Computer Science –integrated retrieval strategies –media formats Libraries Digital Program –collections –discovery tools

Millman—Nov 04—19 More questions?