20081007 Workshop BOM-VL WP3

Van OAIS tot een gelaagd metadatamodel UGent-Boekentoren UGent-MMLab IBBT-iLab

Overzicht ,[object Object],[object Object],[object Object],[object Object]

Problemen met archivering van digitale informatie ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Open Archival Information System (OAIS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OAIS als basismodel ,[object Object],[object Object],[object Object],[object Object]

OAIS als basismodel (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OAIS als basismodel (cont.) ,[object Object],[object Object],[object Object],[object Object]

OAIS implementaties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OAIS model ,[object Object],[object Object],[object Object],[object Object]

OAIS-model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Groei beschikbare opslagcapaciteit op desktop computers (HanKwang 2008)

Groei van gebruikte bestandsformaten (PRONOM) 1980 1990 2000 ‘ 86 – TIFF3 ’ 87 ‘88 TIFF4 & 5 ‘ 92 – TIFF6 ‘ 96 - PNG 1.0 ’ 99 – PNG 1.2 ’ 00 - JPEG2000 ‘ 92 - JPEG ’ 87 – GIF87 ’ 87 – GIF89 ‘ 92 - MrSID ‘ 85 - BMP ‘ 84 - TGA ‘ 03 - SVG ’ 84 - GEM Raster

Evolutie formaatafgeleiden ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bron: PRONOM Technical Registry [http://www.nationalarchives.gov.uk/pronom/]

Risico’s op lange termijn Bit Errors/Bugs Wijzigingen File Formaat Tijd Veranderende Technologie Organisatorische wijzigingen Interpretatie van het formaat 1980 1990 2000

Formaatrisico’s : Conclusies PLANETS project ,[object Object],[object Object],[object Object],bron: Planets project [http://www.planets-project.eu/$

Formaatrisico’s : Conclusies PLANETS project Tekst High confidence Medium confidence Low confidence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Formaatrisico’s : Conclusies PLANETS project Beeld High confidence Medium confidence Low confidence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Formaatrisico’s : Conclusies PLANETS project Geluid High confidence Medium confidence Low confidence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Formaatrisico’s : Conclusies PLANETS project Video High confidence Medium confidence Low confidence ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

B est Practice # 1: Bewaar technische metadata Bron: Adrian Brown, National Archives UK; “Developing Practical Approaches to Active Preservation”

Bitrot/Softwarefouten ,[object Object],[object Object],[object Object],[object Object]

Bitrot/Softwarefouten ,[object Object],[object Object]

B est Practice # 2: Bewaar preservatiemetadata ,[object Object],[object Object],[object Object],[object Object]

Interpretatierisico’s Eén van de koelste en oudste dwergsterren die ooit gevonden is

B est Practice # 3: Representatiemetadata ,[object Object],[object Object],[object Object],[object Object]

Technologiewijzigingen + = Documentatie Informatie Syntaxis Semantiek 4b50 0403 0014 0000 0008 0cdb 282e 7d22 ddaa 0243 0001 ab00 0002 000f 0000 6341 5f65 666f INC $D020 DEC $D020 JMP $2000 LDX $D020 INX STX $D020 JMP $2000 LDA $5000

B est Practice # 4: Vertrouw niet op software ,[object Object],[object Object],[object Object],[object Object]

B est Practice # 4: Vertrouw niet op software (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Descriptieve metadata ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

B est Practice # 5: Bewaar descriptieve metadata als data Zorg voor een overkoepelend descriptief model zoals Dublin Core ,[object Object],[object Object],[object Object]

Wat kan worden geconcludeerd na eerste helft project? ,[object Object],[object Object],[object Object],[object Object]

Gelaagd metadatamodel Descriptieve metadata: Dublin Core Preservatie metadata: Premis Rechten metadata: MPEG-21/REL, INDECS, ODRL, XrML Technische metadata: MPEG-7, Z38.87, AudioMD, VideoMD, TextMD MARCXML TIFF PSD MARC Standaard TIFF Standaard

Verder onderzoek ,[object Object],[object Object],[object Object],[object Object]

Refs. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

20081007 Workshop BOM-VL WP3

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20081007 Workshop BOM-VL WP3