Digital Library Software Built on Open-Source XML Technologies

Digital Library SoftwareBuilt on Open-Source XML Technologies

David LacyLibrary Software Development Specialist

Technologies

Technologies

• METS – XML– LC standard for encoding digital library objects– Descriptive Metadata (DC, MODS)– Administrative Metadata (technical, digital

provenance, rights)– Structural Metadata (physical, logical)

• More Info– http://www.loc.gov/standards/mets

Technologies

• eXist-db– Native XML Database– REST API– XQuery support– Open Source

• More info– http://exist.sourceforge.net

Technologies

• Orbeon (XForms)– Fully interactive forms (AJAX)– Fully integrated with XML (schema

validation)– Open Source

• More Info– http://www.orbeon.com– http://www.w3.org/MarkUp/Forms

Workflow

• Image / Book Scanning

• Batch file processing

• Enter metadata (descriptive, technical, etc)

• Define physical structural hierarchies– Assign resources (images, transcriptions)

manually or through batch processing

• Publish item (make available online)

Workflow - Scanning

• Scan resource

• Crop images

• Move TIFFs to server

• Overnight process runs– Original (TIFF)– Large (JPEG)– Medium (JPEG)– Thumbnail (JPEG)– OCR-Dirty (JPEG)

Workflow – Create Resource

• Create new collection (if applicable)

• Instantiate new resource

• Enter Metadata– Header Info– Descriptive Metadata (DC, MODS)– Technical / Administrative Metadata

Workflow – File Structure

• Attach post-processed files

• Edit file metadata (labels, arrangements)

• Add/Delete files individually

• Attach Document Level Items (Transcriptions)

Front End Viewer

• VuFind integration– OAI PMH Harvesting– Custom Hierarchical Browse Modules

• Record View– Left Tab: Images, Docs, Details– Top Tab: List, Grid, Zoom

To Do List

• VuFind Modules (Browse, Record View)

• JPEG2000

• Continue separating the Metadata Editor

• Configure Metadata Editor to support other Repository software (Fedora)

Contact

• VuDL software– David Lacy

• [email protected]

• Project Info– Michael Foight

• [email protected]

• Partnership Inquiries– Darren Poley

• [email protected]