1. HathiTrust Digital Library Interface and Services
Angelina Zaytsev
Collection Services Librarian

2. Agenda Collection overview Interface overview Other services
If time permits:
Programs
Working groups & committees
Governance & partnership

3. Collection Overview

4. HathiTrust Collections: Oct 2016
14.7 million total items
7.4 million book titles
405,000 serial titles
767,000 US federal government documents
5.7 million items open (public domain & CC- licenses)
These volumes have been contributed by over 40 different institutions and primarily comes from institutions located in North America.
6 April 2016

8. For more information...
You can click through to see the results for all of these categories!

9. What kind of content formats?
Scanned from book-like materials
Image formats: TIFFs and JPEG2000s
Plain-text OCR
PDFs are generated on-the-fly and delivered to users (NOT stored in the repository)
Some:
Born-digital pdfs (and maybe epubs soon!)
Photos

10. Where does content come from? - Digitization source
Type
Characteristics
Google
94.8% of the collection
Download restrictions
Primarily scanned in black and white with some color pages
Large-scale mass digitization = quality can vary
Internet Archive
3.7% of the collection
No download restrictions
Scanned in full color (as a result, file sizes are 2.5 times larger than Google content)
Locally digitized & vendor services
1.48% of the collection
Various restrictions may apply
Typically small scale, “boutique” digitization = high quality (with some exceptions)

11. Where does content come from? - Top 10 contributing libraries
Institution
Volumes
University of Michigan
4,714,231
University of California
3,835,563
Harvard University
841,969
Cornell University
585,190
University of Wisconsin - Madison
561,945
Indiana University
530,763
University of Illinois at Urbana-Champaign
528,545
University of Minnesota
503,057
The University of Texas
460,139
Pennsylvania State University
390,345

12. Special Collections
Universidad Complutense de Madrid: Latin, Spanish and French documents from the s
Keio University: 92,000+ Japanese and some Chinese language materials
Islamic Manuscripts from University of Michigan: 8th-20th century CE mss., 1,795 titles in Arabic, Persian, and Ottoman Turkish languages, collaborative cataloging project
Benson Latin American Collection, University of Texas at Austin: 460,000 vols related to Latin American culture and history
Minnesota Digital Library & Minnesota Historical Society: 60,000 photos related to Minnesota history
US Fed Gov Docs: 766,000+ documents and growing!
UCM is one of the oldest universities in the world - around since 1293
Keio is the oldest university of Japan

13. Access is determined by several factors:
Copyright status of the item
Derived from:
Bibliographic metadata (inc for US fed gov docs)
Manual copyright review
Permissions agreements
Geographic location of the user
In the United States
vs.
Outside the United States
Member affiliation
Yes/no?
Digitization source and/or contributing institution
Any restrictions imposed by these entities?

14. Type of work
Search (bibliographic and full-text)
Text and Data Mining
Viewable*
Full-PDF download
Print disabilities*
Preservation uses (Section 108)*
Public domain worldwide
Worldwide
Partners only if 3rd-party restrictions.
If not, worldwide.
N/A
Public domain (US) – Non-US works published between 1873 and 1923.
Available within the United States
When accessed from with the United States
Partners in the US if 3rd party restrictions.
If not, anyone in the US
Partners in the US; partners worldwide where laws permit
Works that rights holders have opened access to in HathiTrust
Worldwide unless license forbids it
Worldwide (if digitized by Google, full-PDF only available if opened with CC license)
Works that are in-copyright or of undetermined status
Forthcoming
Not available
* Note: Access to in-copyright works is subject to conditions listed in HathiTrust’s policies on Access and Use.

15. Interface Overview

16. Full-text search
Catalog search
Pageturner
Collection Builder

17. Other services
Get bib records in bulk:
Get datasets:
Get high resolution image files:
Get bib records for known identifiers:
Get some data about all HT content:

18. For help See https://www.hathitrust.org/help
Contact

19. Questions?

20. BUT... HathiTrust is more than just a library!

21. HathiTrust Research Center
Goal: to build a secure environment and provide services to support data mining and text analysis
Portal:
Soon: analysis against the copyrighted content in HT
Advanced Collaborative Support (ACS): mini-grants where awardees get staff time, not $
HathiTrust+Bookworm: visualize word trends
Extracted Features dataset: bits of data about the content

22. US Federal Documents Program
Build a Registry of all known US fed gov docs
Collect a complete corpus of all know US fed gov docs

23. Shared Print Program
Build a shared print monograph program across the membership in order to reduce collective costs of maintaining print collections
Goal: secure retention commitments for all monographs in HathiTrust

24. Copyright Review Management System
Volunteers from HT member libraries undertake manual copyright review of certain categories of materials
To date, has focused on the following categories:
Monographs published in Australia, the United Kingdom and Canada from
Monographs published in the United States from

25. Members participate in other groups and committees
User Support Working Group
Collections Committee
Metadata Policy, Strategy, Use and Sharing Advisory Group (MUSAG)
HathiTrust Quality Assurance and Standards Working Group