Presented at PAARL's Forum on Digital Debates on Archives, Museums and Libraries (SMX Convention Center, SM Mall of Asia Complex, Pasay City, 17 September 2009) by Edgardo B. Quiros
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Issues, Challenges and Perspectives of Digitization: the NLP Experience
1. Issues, Challenges and
perspectives of digitization: the
NLP experience
A Presentation for 12th SEAPAVAA Conference
“Digital debates on archives, museums and libraries”
Meeting Rooms 5-6, SMX Convention Center, SM Mall of Asia
Manila, Philippines
Sep 17, 2009
By Edgardo Quiros
Chief, IT Division
National Library of the Philippines
2. Background
Digitization of Filipiniana books under
copyright registration
Digitization of Copyright registration
documents
Philippine eLibrary
Now a program covering Filipiniana
materials
4. Phase 1: Outsourced
25 million pages target was achieved in less
than 1 year in 2004
By 2007, re-work is still ongoing to correct
unreadable pages. It was stopped because it
will take longer to perform quality control
compared to re-scanning by our staff.
Some originals sustained damages
Output file size is large
5. Phase 2: In-house
1 million pages target was achieved in 1
year in 2007 (Equivalent to 3-year
productivity of another outsourced
project of similar staffing)
Non-destructive techniques were used to
prevent damages
Output file size is smaller
Quality is better than phase 1
6. Our Gains from In-house
Digitization
Digitized document as output (in
outsourcing this is the only
output)
Ability to digitized materials with
limited budget including
materials with few pages.
Outsourcing requires a minimum
volume of materials.
Better quality of digitized
7. Our Gains from In-house
Digitization
Minimal damage/loss, if none at all, to
delicate materials
Procured equipment, computer
hardware and software can be used
to digitize more materials (new
materials are added each year)
Procured equipment, computer
hardware and software is useful in
post-digitization services such as
information repackaging and delivery
8. Comparison
Phase 1 PDF file size Phase 1 PDF file size
of a page of a page
218 KB 41 KB
*see sample page *see sample page
11. Our Gains from In-house
Digitization
Staff gained skills, experience and
knowledge
Achieved faster delivery of digitized
materials due to very minimal time
spent in training, selection,
organization, and quality control
Reports, guides, and papers from the
digitization activity now serves as
reference materials
Developed appropriate workflows for
each material