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A Standardized DigiTool Ingest Approach to Internet Archive Digitized Books Joseph Shubitowski IGeLU 2008, September 9, 2008.

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Presentation on theme: "A Standardized DigiTool Ingest Approach to Internet Archive Digitized Books Joseph Shubitowski IGeLU 2008, September 9, 2008."— Presentation transcript:

1 A Standardized DigiTool Ingest Approach to Internet Archive Digitized Books Joseph Shubitowski IGeLU 2008, September 9, 2008

2 Talking Points: Scope / Background Why? Major hurdles Manual / automated workflows Outcomes What can we share? –Results –Methodologies –Tools, etc. IGeLU Conference 2008, September 9, 2008

3 Alfred P. Sloan Foundation Getty Research Institute Archaeology and antiquities Boston Public Library John Adams collection Johns Hopkins Anti-slavery materials The Metropolitan Museum of Art Museum Publications Bancroft Library Gold Rush and westward expansion IGeLU Conference 2008, September 9, 2008

4 Scope of the Digitization Project 2,000,000 pages or approx. 5,000 books Self-evident collection Public domain pre-1923 for works published in U.S. pre-1909 for works published outside of U.S. IGeLU Conference 2008, September 9, 2008

5 Internet Archive Scribe Station 1 Pod = 10 Scribe Stations IGeLU Conference 2008, September 9, 2008

6 Why Do it? Internet Archive issues –Response/search time –Metadata only searching –No control Full-text searching Use in metasearch More control! IGeLU Conference 2008, September 9, 2008

7 Major Hurdles Getting the files Disk space issues – for general storage and for DTL What/how to process all the files Abbyy OCR vs. ALTO OCR Thumbnail generation Handle configuration/synchronization IGeLU Conference 2008, September 9, 2008

8 List of OCRd books received from Internet Archive Processed by GRI URLs from Internet Archive Link to URLs Download files from Internet Archive Zipped or tar files: *_orig_jp2 *_jp2 *_raw_jp2 high & low resolution PDFs *abbyy.gz *meta.xml *marc.xml Process downloaded files Ready for Digitool Ingest IGeLU Conference 2008, September 9, 2008

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12 Disk Space Issues Each digitized book = 500MB to 1.5 GB of raw files Further untarring and processing consume even more disk! DTL scratch/processing space, permanent storage space, and Oracle tablespace – including full text indexing consumes even more disk space 3000 books in the queue will require TB for this project alone. IGeLU Conference 2008, September 9, 2008

13 DTL ingest package = –Archive = raw jpeg2000 (renamed to *.j2k) –View = use copy jpeg2000 (*.jp2) –Index = ALTO files –Thumbnail = appropriate thumb of title page for display of the complex object –PDF = high res PDF as additional manifestation –MARCXML record for IE level metadata No TIF files from IA – everything is jpeg2000 Mapping file same for every ingest CSV file is produced automatically IGeLU Conference 2008, September 9, 2008

14 Abbyy to ALTO IA scanning produces one huge OCR file in Abbyy proprietary XML Discussions with / proposal from CCS Real need to open source approach –Abbyy XSD can morph in future –Desire to share Contract with Ex Libris to produce tool –Java based –Includes jar and class files –Free to share and redistribute Tool transforms single ABBYY file to ALTO-file-per-page XML files IGeLU Conference 2008, September 9, 2008

15 Thumbnail Creation Initial ingest flow created complex object thumbnail from first page of PDF manifestation Boring! Ghostscript/PDF/ImageMagick problems Decision to go semi-manual with script/cgi that: –creates thumbnails for first 15 jpeg2000 page images –sends URL in for each separate ingest –creates web page for page image viewing and thumbnail selection –adds chosen thumbnail to staging directory, cleans up, and sends confirmation IGeLU Conference 2008, September 9, 2008

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17 Handle Generation Setup per DTL docs Firewall tweaks Ingest flow tweaks –Handle for IE –Handles for all archive jpeg2000 images DTL errors with mass publication of Handles –Fixed in SP21 IGeLU Conference 2008, September 9, 2008

18 Ingest Summary Get/process/stage files Generate ALTO OCR files Web CGI for thumbnail selection Load.sh script moves all files to locations DTL expects Activate saved Ingest Flow from DTL Web Ingest client Wait IGeLU Conference 2008, September 9, 2008

19 Outstanding Issues Ingest speed –Remedied somewhat in SP21 –Digitized books are just darn big! –Low number of ingests per day Handles –Manual publishing process –Need to populate Voyager bib record METS viewer performance issues IGeLU Conference 2008, September 9, 2008

20 Success Factors !! Code to share –Get/process/staging scripts –Abbyy/ALTO transform code –Web cgi thumbnail code –YMMV Handles provide true persistent IDs –http://hdl.handle.net/10020/17473 Full-text multilingual searching –MetaLib QuickSet for metasearch of all local repositories IGeLU Conference 2008, September 9, 2008

21 Demo and Thanks IGeLU Conference 2008, September 9, 2008


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