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''2. Who decides when a trigger event has occured?''
''2. Who decides when a trigger event has occured?''
*The CLOCKSS board
*The CLOCKSS board.  The CLOCKSS board has librarian and publisher members.
''3. Who gets access to content impacted by an trigger event?''
''3. Who gets access to content impacted by an trigger event?''

Revision as of 21:30, 12 June 2007

CLOCKSS: Controlled LOCKSStm.gif

2007 ALA ALCTS Outstanding Collaboration Award Winner


Ensuring access to published scholarly content over time; a community-governed partnership of publishers and libraries working to achieve a sustainable and globally distributed archive.


May, 2007

What are some early CLOCKSS Lessons and Accomplishments? CLOCKSS Lessons

June, 20007

Three common questions about the CLOCKSS Program

1. What are the trigger events?

  • A publisher stops operations; or
  • A publisher ceases to publish a title; or
  • A publisher no longer offers back issues; or
  • Upon catastrophic and sustained failure of a publisher's delivery platform.

2. Who decides when a trigger event has occured?

  • The CLOCKSS board. The CLOCKSS board has librarian and publisher members.

3. Who gets access to content impacted by an trigger event?

  • Everyone. The materials are moved to a hosting platform and made available to everyone.

Board members

One of the strengths of the CLOCKSS initiative is that the founding organizations have a long history of survival and understand issues of long-term sustainability.

Libraries and Date Founded

  • Indiana University - 1820
  • New York Public Library - 1895
  • OCLC Online Computer Library Center - 1967
  • Rice University - 1912
  • Stanford University - 1891
  • University of Virginia - 1825
  • University of Edinburgh - 1582

Publishers and Date Founded

  • American Chemical Society - 1876
  • American Medical Association - 1847
  • American Physiological Society - 1887
  • Elsevier - 1880
  • Institute of Physics - 1874
  • Nature Publishing Group - 1869
  • Oxford University Press - 1478
  • SAGE Publications - 1965
  • Springer - 1842
  • Taylor and Francis - 1798
  • Wiley-Blackwell (1807 and 1897 respectively, merged 2007)


CLOCKSS (Controlled LOCKSS) is a not for profit, community governed, distributed archive network. Using the LOCKSS software libraries are hosting CLOCKSS boxes and preserving materials to which they do and do not subscribe. The CLOCKSS boxes continuously monitor and self correct the preserved content to ensure its authenticity over the very long term. When the board determines content is no longer available from the publisher, the board will release the material to all. CLOCKSS benefits everyone.

The CLOCKSS initiative is implementing and evaluating social and technical models through 2007; all publishers and libraries will be invited to join our efforts soon!

The Communities’ Archive – Twelve Good Reasons to count on CLOCKSS

12. Complementary To building local collections with LOCKSS and with territorial [national] arrangements for legal deposit; CLOCKSS is an important strategic component in a multilayer, resilient, local and national preservation plan.

11. Context Preserved Content ingested via presentation files preserve branding and look and feel context.

10. Technically Robust Award winning open source software with demonstrated capacity to recover from natural disasters, human folly and digital decay, through continuous and systematic audit and repair.

9. Cost Effective Support preservation and keep maximum funds available for publishers to publish and librarians to buy new materials. Fees are low and for a limited period while we build the CLOCKSS Capital Fund.

8. Award Winning ALA ALCTS 2007 Outstanding Collaboration Award AND 2004 ACM Award for underlying LOCKSS technology

7. Long-term Sustainability Building capital fund to support long-term work; CLOCKSS is working to separate current funding from operational costs to ensure preservation and access.

6. Global Participation The network of global, multiple distributed host libraries spans geographic, political and legal boundaries.

5. Comprehensive Coverage Underlying LOCKSS technology preserves diverse range of materials; publishers co-govern, trust CLOCKSS and are eager to participate.

4. Access For All The board deliberates when to release content; upon release, materials are available worldwide for all to use. CLOCKSS is for everyone.

3. Library Custody Host libraries have custody of the content; library stewardship and responsible action by publishers’ leverages existing infrastructure.

2. Community Governance Publishers and librarians are working as equals to pursue a common goal. Support CLOCKSS and participate in the archive’s governance.

1. Collaborative and Cooperative Help ensure very long term preservation and global access to our collective scholarship via the CLOCKSS community archive.

Contact us