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HathiTrust June 2012 Update

The University of California libraries added another 3,446 volumes into HathiTrust this month, making UC’s total 3,340,228 of the 10,408,905 in HathiTrust.  Of these, more than 3,000,000 volumes are in the public domain.

UC’s contributions to development this month include California Digital Library (CDL) staff’s completion of a portion of development needed to sync Zephir with rights information in the HathiTrust rights database.  Staff also reloaded records for HathiTrust items into Zephir as part of an iterative process to be sure rights and other necessary administrative metadata are being properly loaded.  CDL staff completed documentation of Zephir metadata ingest and workflow guidelines and will be working with HathiTrust project staff to add the information to the HathiTrust website as the launch of Zephir gets nearer.

For full-text search, California Digital Library staff refined the algorithm used to score spelling suggestions based on queries extracted from HathiTrust log files and improved the way suggestions are made when stop words and words that are inappropriately combined are present in the query. The next step will be to experiment with making suggestions in different languages.

In other news, Angelina Zaytsev was appointed to the position of HathiTrust Project Librarian. Angelina has worked for HathiTrust part-time for the last year, assisting in the coordination of numerous HathiTrust activities including ingest of content from partner institutions, processing permissions to open access to materials, general user support, and multiple duties “as assigned”. Angelina will continue these duties while taking on a greater role in managing and coordinating projects for HathiTrust.

The HathiTrust Research Center opened registration ( for the HTRC UnCamp, to be held in Bloomington, Indiana on September 10-11, 2012. More information can be found at

Learn more about these and other activities in the HathiTrust June Update.