Digitization Basics and Beyond workshop Interoperability of cultural

Digitization – Basics and Beyond workshop Interoperability of cultural and academic resources New services for digitized collections Muriel Foulonneau (mfoulonn@uiuc. edu) Grainger Engineering Library University of Illinois at Urbana-Champaign Digital Imaging Lab. Feb 2005

Sharing content n n Digitization produces digital content Share it with “services” n My Website n My internal system n Declare it to search engines n Allow other services to access it (possibly from different areas) Þ this is all about standards for content and services mfoulonn@uiuc. edu University of Illinois at UC 2 Feb, 2004

1 collection – multiple services mfoulonn@uiuc. edu University of Illinois at UC 3 Feb, 2004

Integrated Access to CIC Metadata http: //cicharvest. grainger. uiuc. edu/ mfoulonn@uiuc. edu University of Illinois at UC 4 Feb, 2004

Thematic access to resources mfoulonn@uiuc. edu University of Illinois at UC 5 Feb, 2004

Why new services ? n Bring your content to attention of new users outside your immediate community n 37% of visits to images of the State Library of New South Wales came from the Picture. Australia portal in 2002/3 n ‘Union catalog’ approach to sharing n Access to the hidden Web…. . mfoulonn@uiuc. edu University of Illinois at UC 6 Feb, 2004

Digitization and interoperability n Building services service Collection => New services need content with similar features mfoulonn@uiuc. edu University of Illinois at UC 7 Feb, 2004

What is interoperability n Interoperability is the capacity for different systems to talk to each other 01 -04 -04 -“ 01 -04 -04” n - this is a month I need n n A standard language An interpreter mfoulonn@uiuc. edu University of Illinois at UC - 01=“Jan” 8 Feb, 2004

Various types of interoperability n Technical n n Organizational n n Protocols, hardware, … Mac/PC, Netscape/IE … Who is in charge? Competence? Politics? Update? Rules Content – related = metadata n n What do you talk about? The “item” = Granularity and nature of the object Semantic : date…. Created? Published? Syntactical : 04 January 2004 Linguistic : 04 Enero 2004 mfoulonn@uiuc. edu University of Illinois at UC 9 Feb, 2004

Metadata n Þ Þ Þ Are used to n Define rights and conditions of use n Describe structure n Manage n Provide information n Retrieve n Preserve Descriptive Administrative Structural mfoulonn@uiuc. edu University of Illinois at UC 10 Feb, 2004

Interoperability layers Organization: Data sources have a similar role <title>My resource< /title> <date>04 Protocol: Computers can talk together Contentrelated: Content is meaningful when viewed or managed together <title>My resource< /title> <date>04 mfoulonn@uiuc. edu University of Illinois at UC 11 Feb, 2004

Sharing metadata : Federated search n My user wants “mills”…. Whatever that comes from n Federated search <title>My resource< /title> <date>04 Mill? <title>My resource< /title> <date>04 mfoulonn@uiuc. edu University of Illinois at UC Eg. Z 39. 50, SRU/SRW, WAIS 12 Feb, 2004

Interoperability is not the last stage n Digitization project Selection of content n Masters storage + mgt Technical Features Sharing content n n Sharing policy and systems Disclosure of resources Re-use and re-purposing mfoulonn@uiuc. edu University of Illinois at UC 13 Metadata creation /capture Publication Feb, 2004

Multiple services use different features Full text Metadata AND resources Metadata mfoulonn@uiuc. edu University of Illinois at UC Collection descript. 14 Metadata AND resources Feb, 2004

Selection of material n Selection criteria for a specific project n n n Content quality Copyright Preservation of originals Popularity Etc But also for other potential uses n n Complementary to other institutions Interest in other contexts n Potential service providers mfoulonn@uiuc. edu University of Illinois at UC 15 Feb, 2004

Technical features n Technical features are defined for a specific project n n Definition Size Format But also for other potential uses n n n Definition Size … Master used to generate new versions for other purposes mfoulonn@uiuc. edu University of Illinois at UC 16 Feb, 2004

Storage and management of digital masters n Will be the basis of future uses n n n Do not digitize twice n n Be able to retrieve them Be able to re-use them = generate relevant versions for other types of use Db of digital masters Preservation n Interoperability with future systems Formats : readability in the future Data integrity mfoulonn@uiuc. edu University of Illinois at UC 17 Feb, 2004

Metadata creation/capture n n Metadata are created for a purpose Re-usability features n n n Documenting creation Completeness Include context …. mfoulonn@uiuc. edu University of Illinois at UC 18 Feb, 2004

Publication n Quality criteria for n Accessibility Usability Maintenance n Etc n n n But also FAME n Discoverability n n Through engines, peer referencing, registries … Disclosure mfoulonn@uiuc. edu University of Illinois at UC 19 Feb, 2004

Disclosure n Multiple access to the content n n Website : dynamic OAI repository Multi-search? Metadata n n In META TAGS Collection level descriptions mfoulonn@uiuc. edu University of Illinois at UC 20 Feb, 2004

Sharing content - Political issues n Not all sectors have the same “philosophy” n n n Preservation Access User experience Þ Not all sectors have the same attitude towards sharing content n Everybody agrees on the necessity to share / aggregate if… n n n New services for my user Gaining new users Not yet for professional and intermediary services Þ But not necessarily with who + not a priority if no political incentive and value-added services mfoulonn@uiuc. edu University of Illinois at UC 21 Feb, 2004