The new Duplicate Detection and Resolution (DDR) software is now in full operation. DDR began running through the full WorldCat database (beginning with OCLC #1) on Feb. 2, 2010 and was completed on Sept. 30 with 166.4 million records processed and 5.1 million duplicate records merged. Also, a separate process that examines selected new & replaced records from a day's journal files began running Jan. 26, 2010, continues to run, and has removed another 4.04 million duplicates as of Dec. 07, 2011. Please help us make this process more effective by re-searching your title immediately before entering a new record, especially if it was previously Saved. Duplicates reduce the efficiency of the database, so
please always verify that a record has not already been added. More about DDR: http://www.oclc.org/worldcat/catalog/quality/ddr/default.htm.
Duplicates can be reported to bibchange@oclc.org, or by using the Action Menu--Report Error function while viewing a bibliographic record in Connexion, or via the webform found here: http://www.oclc.org/us/en/toolbox/default.htm
OCLC Support: +800-848-5800 (Toll Free to the U.S. and Canada)
OCLC Support: +614-793-8682 (International) e-mail: support@oclc.org
Copyright 1978-2011 OCLC Online Computer Library Center, Inc.
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