1. Building the Universal Library: The Promise and Challenges of HathiTrust John Wilkin 2 April 2009

2. www.hathitrust.org What is HathiTrust? origins intentions size and growth projections aspirations

3. www.hathitrust.org current members California Digital Library Indiana University Michigan State University Northwestern University The Ohio State University Penn State University Purdue University UC Berkeley UC Davis UC Irvine UCLA UC Merced UC Riverside UC San Diego UC San Francisco UC Santa Barbara UC Santa Cruz The University of Chicago University of Illinois University of Illinois at Chicago The University of Iowa University of Michigan University of Minnesota University of Wisconsin-Madison University of Virginia

4. www.hathitrust.org Preservation: OAIS Reference Model GRIN Internal Data Loading GRIN Internal Data Loading Google [OCA] In-house Conversion Google [OCA] In-house Conversion MARC record extensions (Aleph) Rights DB MARC record extensions (Aleph) Rights DB Page Turner HathiTrust API OAI GeoIP DB CNRI Handles [Solr] Page Turner HathiTrust API OAI GeoIP DB CNRI Handles [Solr] METS/PREMIS object TIFF G4/JPEG2000 OCR MD5 checksums METS/PREMIS object TIFF G4/JPEG2000 OCR MD5 checksums METS object PNG OCR PDF METS object PNG OCR PDF Isilon Site Replication TSM MD5 checksum validation Isilon Site Replication TSM MD5 checksum validation GROOVE (JHOVE) GROOVE (JHOVE)

5. www.hathitrust.org Mission and Goals to contribute to the common good by collecting, organizing, preserving, communicating, and sharing the record of human knowledge – materials converted from print – improve access …to meet the needs of the co-owning institutions – reliable and accessible electronic representations – coordinate shared storage strategies – public good … free-riders. – simultaneously …centralized …open

6. www.hathitrust.org growth trajectory

7. www.hathitrust.org accomplishments to date 1.25 partners 2.successful ingest and millions of vols online 3.mirroring and backup

8. www.hathitrust.org Flow of Materials ingest web SyncIQ mass digitization project nfs Isilon @UM Isilon @IU network or media delivery

9. www.hathitrust.org accomplishments to date 1.25 partners 2.successful ingest and millions of vols online 3.mirroring and backup 4.rich access

10. www.hathitrust.org books and journals online?

11. www.hathitrust.org Search inside in-copyright

12. www.hathitrust.org accomplishments to date 1.25 partners 2.successful ingest and millions of vols online 3.mirroring and backup 4.rich access 5.collection builder

13. Collection Builder

14. www.hathitrust.org accomplishments to date 1.25 partners 2.successful ingest and millions of vols online 3.mirroring and backup 4.rich access 5.collection builder 6.soon, full text search and data API

15. Project staff review comments and enrich cataloging records. Title Wasīlat al- ullāb li-marifat amāl al-layl wa-al- nahār bi- arīq al- isāb : وسيلة الطلاب ل معرفة أعمال الليل والنهار بطريق الحساب manuscript [between 1525? and 1861] a āb, Ya yá ibn Mu ammad, 1496 or 7-1586 or 7. يحيى ين محمد الحطاب. Author Comment 1 Comment 2Comment 3 Catalog records Local OPAC Page images HathiTrust Project Website Comments Enriched records

16. www.hathitrust.org next up … non-Google ingest (OCA & local digitization) corpus research support – SEASR – Data export – Research center openness strategies binding together shared print and digital in strategy to manage local print

17. www.hathitrust.org Universal Library? collaborative work around collaborative problem preserving the published record comprehensiveness through consolidation and sense-making commitment to perpetuity

18. www.hathitrust.org opportunities economies of scale comprehensive collection combining print and digital strategies more effective digital preservation stepping stone to preserving other forms of digital content platform for new methods of discovery non-consumptive research

19. www.hathitrust.org challenges digital preservation collaboration understanding what the right services are The Silence of the Archive: The USPS problem

20. www.hathitrust.org thank you! http://www.hathitrust.org/ hathitrust-info@umich.edu jpwilkin@umich.edu