International Seminary on Digitisation: Experience and Technology 11 th May 2004 | National Library | Lisbon – Portugal DIGITAL ARCHIVE OF PORTUGUESE ART Maria Inês Cordeiro Art Library, Calouste Gulbenkian Foundation

Maria Inês Cordeiro, 11 Maio 2004 International Seminary on Digitisation: Experience and Technology  End user services & underlying model  Objectives and management requirements  Technical infrastructure  Information structures  Future developments Digitisation: experience & technology

Maria Inês Cordeiro, 11 May 2004 End user services...  Online Access to front matter (cover & content pages) - as a systematic service since > pages, for periodicals and monographs  Online access to full content: special collections - at present: 11 collections available - ca 1900 titles of textual materials ( pages) - ca 3000 images from photographic collections - goal to collections, including several important artist’s personal archives and architectural drawings - over documents

Maria Inês Cordeiro, 11 May underlying model  Acess is integrated with already existing services - the catalogue is the main component for search and retrieval functions ex. periodical content pages ex. monograph content pages ex. full content  Additional access points and functionalities - special functionalities to restrict search to digitised docs - access points alternative to the traditional search from new option ‘Digitised Collections’ from a web page from a collection record

Maria Inês Cordeiro, 11 May 2004 Objectives & management requirements  Optimize the existing technical structure - diversify the output, not the underlying systems (e.g. databases) - integrate new workflow with existing flows - concentrate efforts on core competences  Integration / transparency for new resources and functions - resource integration: the Library as a whole, a single entity - navigability between the Catalogue, the Digital Archive and the Web - outsourcing of digitization of full content - bibliographic metadata in MARC - local tasks: tech definitions, quality control, integration  Digital preservation issues - neutral, simple & consistent criteria - avoid format diversity & dependency of proprietary applications - document processes and resources - archive master files with the corresponding technical & administrative metadata

Maria Inês Cordeiro, 11 May 2004 Technical infrastructure Technical requirements and policies   DIGITISATION Selection and accessibility policies   formats, versions, metadata and management procedures   JPEG or GIFTB- thumbnail 300 dpiPDFIC - usage 300 dpiTIFF, no comp.IA - archive Min resol.FormatsImage types File name conventions Metadata in TIFF headers   72 dpi

Maria Inês Cordeiro, 11 May 2004 TIFF archive (offline) master files Control reproduction fidelityControl no of files, names, etc., and metadata Record archival operation DIGITAL ARCHIVE Integrate usage files TECHNICAL REQUIREMENTS & POLICIES formats, versions, metadata and management procedures   JPEG or GIFTB- thumbnail 300 dpiPDFIC - usage 300 dpiTIFF, no comp.IA - archive Min resol.FormatsImage types File name conventions Metadata in TIFF headers   72 dpi

Maria Inês Cordeiro, 11 May 2004 TIFF TAGS – MASTER FILES  

Maria Inês Cordeiro, 11 May 2004 Clarification & clearance of legal rights Content relevance rarity & preservation… In the Library only? On the Internet? SELECTION AND ACESSIBILITY POLICIES Technical requirements and policies   DIGITISATION Selection and accessibility policies  

Maria Inês Cordeiro, 11 May 2004 INTEGRATION APPLICATION archival & links DIGITAL ARCHIVE Digital usage files Archive structure management TIFF archive (offline) Master files Definitive, files full content out of dig. collectionsOTHER FULL CONT provisional, incoming files to integrateIN_POOLs (collection] definitive for each collectionC[collection short name] definitive, content pages periodicalsSUPER definitive, content pages of current monog.SUMON Content & rulesDirectories Technical requirements and policies   DIGITISATION Selection and accessibility policies   Technical infrastructure

Maria Inês Cordeiro, 11 May 2004 TIFF archive (offline) Master files Technical requirements and policies   DIGITISATION Selection and accessibility policies   INTEGRATION APPLICATION archival & links DIGITAL ARCHIVE Digital usage files Archive structure management HORIZON SYSTEM Bibliographic data Accessibility data 95X Data needed to define access, search and visualization conditions regarding bib records with associated digital files Technical infrastructure

Maria Inês Cordeiro, 11 May 2004 Information structures MANAGEMENT OF ACCESSIBILITY DATA : 95X MARC TAGS HORIZON SYSTEM

Maria Inês Cordeiro, 11 May 2004 Information structures Presents the various integration options Doesn’t require Horizon/MARC knowledge or knowledge of specific details and rules of the digital archive Ensures the consistency of the archive organization Writes data in MARC 95X tags INTEGRATION APPLICATION archival & links DIGITAL ARCHIVE Digital usage files Archive structure management HORIZON SYSTEM Bibliographic data Accessibility data 95X

Maria Inês Cordeiro, 11 May 2004 INTEGRATION APPLICATION

Maria Inês Cordeiro, 11 May 2004 IPAC LOCAL Data and digital files available on the local network only IPACWWW Data and digital files available on the INTERNET LOCAL NETWORK INTERNET Technical infrastructure INTEGRATION APPLICATION archival & links DIGITAL ARCHIVE Digital usage files Archive structure management HORIZON SYSTEM Bibliographic data Accessibility data 95X Technical requirements and policies   DIGITISATION Selection and accessibility policies   TIFF archive (offline) Master files

Maria Inês Cordeiro, 11 May 2004 DIGITAL ARCHIVE Digital files HORIZON SYSTEM Bibliographic records Links to digital files COLLECTIONS IPAC LOCAL SYSTEM Access on the local network IPAC WWW SYSTEM Access on the Internet Information structures

Maria Inês Cordeiro, 11 May 2004 Future developments  Enhance exposure of content on the WWW environment > Web sites for selected content (e.g, by collection) permanently reachable by search engines > metadata accessible to other systems - Web services > automated mechanisms for MARC metadata conversion into other schema, e.g. XMLMARC, Dublin Core in XML  Enhance search & retrieve of images through automated means, non textual - based on algorithms for image analysis and indexing - when a considerable critical mass of images is held - to fully exploit digital resources of a visual nature

Maria Inês Cordeiro, 11 May Digitisation: experience & technology