preservation / curation Logo Research cannot flourish if data are - - PowerPoint PPT Presentation

Logo

preservation / curation

1

• „Research cannot flourish if data are

not preserved and made accessible. All concerned must act accordingly.“

Nature 461, 145 (10 September 2009), doi:10.1038/461145a

Logo

Photon Sciences + X‐ray Facilities

• motivation: costs of data creation

2.000€/h beamline + overhead 120k€ ‐ 50M€ (ribosome‐structure)

• data preservation and re‐use (status)

portable USB hard‐disks, responsibility of researcher

• data preservation and re‐use (goal)

sharing, re‐use and integration, validation of results

• requirements

federated repositories

• pen access (after a 5 year moving wall)

Web‐based (Shibboleth) but integrated in Grid

Logo

German Language Studies

• preserve, share, analyze, re‐use German literature texts
• 1,5 Mio texts + metadata + annotations = 5TB
• requirements

– versioning – provenance – licensing + IPR (author, publisher) → data are irretrievable, but may need to be deleted

http://www.nlcphs.org/Academics/English/Pictures/shakespeare.jpg

Logo

4

• existing infrastructure
• data types
• data integrity
• rights

– open access: climate – licensing: literature – de‐personalization: medicine – private data: photon sciences

variation in community requirements

available (climate) not available (bio statistics, social sciences, archaeology) homogeneous (literature) heterogeneous (medicine) not changeable (climate) erasable (literature) phases, versioning (humanities)

Logo

curation layers

conceptual object logical object physical object digital object

research data/ semantics formats, e.g. images, XML bit-stream research data

• cf. Thibodeau: Overview of Technological Approaches to Digital Preservation and Challenges in

Coming Years, 2002. http://www.clir.org/pubs/reports/pub107/thibodeau.html

5

Logo

roles / responsibilities

Content Preservation Bitstream Preservation Data Curation

WissGrid D-Grid Community-Grid

6

Logo

catalogue services archive and storage infrastructure services (pluggable) preservation planning registries: formats, ontologies, ... persistent identifier AAI, user management monitoring, logging workflow metadata extraction community-spec services validation, quality control rights management search integrity checks, replication provenance repository: ingest, storage, access conversion Repository: metadata management

8

WissGrid Community D-Grid ++

Logo

9

grid/repository integration

• employing grid storage resources
• Bit Preservation + Trust Zones
• employing grid compute resources
• our focus: data to service

repos

• repository federation

1 2 3

repos grid grid repos data Storage Kopplung

10

research data repository curation services community-specific data handling community-specific tools D-Grid infrastructure AAI, security, VO management, licenses, SLA, ...

Logo

11

finally

• there is no single approach that serves all needs (curation)
• foster interoperability to emerge locally (not force)
• link activities / communities