3TU Datacentrum Tech Overview
Click here to load reader
-
Upload
eposthumus -
Category
Education
-
view
427 -
download
2
description
Transcript of 3TU Datacentrum Tech Overview
![Page 1: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/1.jpg)
3TU Datacentrum Back-end
An overview of current status as to the technical infrastructure.
Etienne Posthumus TU Delft Library
14-04-2009
![Page 2: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/2.jpg)
Overview
• Fedora Repository Software
• Python middleware
• Fedora Front-end
• Dataset types
• Current Datasets
![Page 3: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/3.jpg)
Fedora Repository Software
Investigation of use in past year
Institutional repository implemented
Not perfect, but most flexible of comparable systems.
The DIY downside is paradoxically also a key benefit.
![Page 4: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/4.jpg)
Python middleware
• Django Application framework
• Agile software development
• Fedora coupling via REST HTTP API
• Also use SOLR for indexing
• Fall-through to Fedora provided services always possible
![Page 5: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/5.jpg)
Fedora Front-end
• XSLT based
• Dynamic queries based on Resource Index
• Multiple output formats possible
• Used CMA for behaviours
![Page 6: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/6.jpg)
Ellips: Fedora objectPijl: relatie (rdf)Kleine rechthoek: tekstuele metadataGrote rechthoek: datastream (anders dan DC of RELS-EXT)
Diagram by E Gramsbergen
![Page 7: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/7.jpg)
Fedora Front-end
• XSLT based
• Dynamic queries based on Resource Index
• Multiple output formats possible
• Used CMA for behaviours
demo link en link
![Page 8: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/8.jpg)
Dataset types
We identify two different types
• archival ingested submissions
• enriched objects
![Page 9: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/9.jpg)
Dataset types
Archival Submissions
• Recorded, checksum as-is
• For reference purposes
![Page 10: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/10.jpg)
Dataset types
Archival Submissions
• Recorded, checksum as-is
• For reference purposes
• Considering Bagit(from Library of Congress)
• Or accepting the Fedora FOXML format
![Page 11: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/11.jpg)
Dataset types
Enriched objects
Possible conversions to other formats
For example CSV to XML
Manageable chunks
![Page 12: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/12.jpg)
Dataset types
Enriched objects
Possible conversions to other formats
For example CSV to XML
Manageable chunks
Selected metadata as RDF
Stored in Resource Index
![Page 13: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/13.jpg)
Current Datasets
• DARELUX
• WindZon
• Flame
• Asfalt
• Water
![Page 14: 3TU Datacentrum Tech Overview](https://reader038.fdocuments.net/reader038/viewer/2022100518/559b19a71a28ab3b128b4582/html5/thumbnails/14.jpg)
Discussion/Questions