At ALA Midwinter in Boston, I presented the PowerPoint "Cataloging Maps Defensively:  'When to Input a New Record' in the Age of DDR" to the Map and Geospatial Information Round Table (MAGIRT) Cataloging and Classification Committee.  That PowerPoint is now linked from the OCLC "About RDA" page at http://www.oclc.org/rda/about.en.html.  The Maps presentation itself may be found at http://www.oclc.org/content/dam/oclc/cataloging/cataloging-maps-defensively-2016.pptx.  The MAGIRT Cartographic Resources Cataloging Interest Group has also invited me to present the Maps PowerPoint again to its larger audience at ALA Annual in Orlando in June.

From that OCLC "About RDA" page (http://www.oclc.org/rda/about.en.html) there is also a link to the more general 2010 "Cataloging Defensively:  'When to Input a New Record' in the Age of DDR" slides and recorded Webinar.  It is my intention to create a series of "Cataloging Defensively" presentations for various specific types of bibliographic materials over the coming months.  One on Sound Recordings is already in progress and will be presented at the Music OCLC Users Group (MOUG) meeting in Cincinnati in March.  One on Videorecordings is scheduled to be presented at the Online Audiovisual Catalogers (OLAC) membership meeting at ALA Annual in June.

The "Cataloging Defensively" presentations are not cataloging workshops, per se, but are designed to give some background to how OCLC's Duplicate Detection and Resolution (DDR) software deals with bibliographic records, both generally and for the specific bibliographic format in the title.  They should help catalogers use MARC 21 and the instructions in both RDA and AACR2 to the best advantage in making sure that DDR performs appropriately when encountering a record that is legitimately unique according to the descriptive conventions.

We hope that you find these presentations useful.  Please forgive any duplication in distribution of this message.  Thanks.

--

Jay Weitz

OCLC * Senior Consulting Database Specialist, Data Services and WorldCat Quality Management

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