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If you are suggesting creating separate records for every copy of pre-1829 (or for that matter pre-1800 or even pre-1501) items, please do NOT do this. The same rule applies in OCLC to rare as to general materials: one record per manifestation (per language
of cataloging). Rare materials are afforded some leeway in the definition of "manifestation"--we can create separate records for separate states, including separate printings, but NOT for separate copies, however unique (e.g. signed by Abraham Lincoln) our
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Note, this announcement is simply an announcement that OCLC has revised its automated duplicate detection/merge program so that it won't touch anything with a publication date before 1830 (the previous date was 1800); it also won't touch anything coded with
a rare materials cataloging code in 040, including post-1829 materials if so coded. Of related interest, this list has been following the progress of a group (of which I am a member) working out policies and procedures for manual merging of duplicate rare
materials records in Connexion. The document for books is complete (but I can't find it posted on OCLC's policies pages yet); we're currently working on scores, maps, and graphic materials.</div>
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Bob<br>
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<div class="PlainText">Robert L. Maxwell<br>
Ancient Languages and Special Collections Cataloger<br>
6728 Harold B. Lee Library<br>
Brigham Young University<br>
Provo, UT 84602<br>
(801)422-5568 <br>
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"We should set an example for all the world, rather than confine ourselves to the course which has been heretofore pursued"--Eliza R. Snow, 1842.<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> DCRM-L <dcrm-l-bounces@lib.byu.edu> on behalf of Bob Kosovsky <bobkosovsky@nypl.org><br>
<b>Sent:</b> Tuesday, August 25, 2020 9:51 AM<br>
<b>To:</b> DCRM Users' Group <dcrm-l@lib.byu.edu><br>
<b>Subject:</b> Re: [DCRM-L] WorldCat Matching Release Notes, August 2020</font>
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<div dir="ltr">Thank you very much Francis for posting this amplification of Jay Weitz's announcement.
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<div>This has me wondering. For those of us that want to bring out the uniqueness of our individual copies, should we approach all pre-1829 items as if we're back to RLIN, where each item gets its own record because of its distinctiveness? (Presumably if
we have an item that does not appear to be distinctive we can simply cluster it to a similar item.) Or could we simply copy catalog and add $5 [library code] to our distinctive features? I'm sorry I can't recall someone's statement that
<b>all publications </b>before a certain date should be considered unique (certainily 1501), but if not 1829, how much earlier?</div>
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<div>Of course it depends on the cataloger's perception of the uniqueness of a particular copy. I realize this is
<b>heavily </b>dependent on cataloger's judgement, but I'd like to get a sense of what people are thinking where they want to go with this.</div>
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<div>Bob Kosovsky, Ph.D. -- Librarian, Rare Books and Manuscripts,<br>
Music & Recorded Sound Division </div>
<div>The New York Public Library for the Performing Arts - <span style="background-color:transparent; color:rgb(0,0,0); font-family:Arial; font-size:10pt; white-space:pre-wrap">Dorothy and Lewis B. Cullman Center</span><br>
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<span style="font-size:10pt; font-family:Arial; color:rgb(0,0,0); background-color:transparent; vertical-align:baseline; white-space:pre-wrap">40 Lincoln Center Plaza, New York, NY 10023</span></p>
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<a href="http://www.nypl.org" target="_blank">www.nypl.org</a></div>
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<div dir="ltr" class="x_gmail_attr">On Tue, Aug 25, 2020 at 10:54 AM Lapka, Francis <<a href="mailto:francis.lapka@yale.edu">francis.lapka@yale.edu</a>> wrote:<br>
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<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif">Here’s an elaboration, at the link that Jay provides below:<u></u><u></u></span></p>
<h4 style="margin-left:0.5in; background:white"><span style="font-size:15.5pt; font-family:Arial,sans-serif; color:rgb(51,63,72)">Rare Materials Exemption for DDR is Now Up to and Including 1829<u></u><u></u></span></h4>
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<span style="font-size:12pt; color:rgb(51,63,72)">In close consultation with the Bibliographic Standards Committee (BSC) of the Rare Books and Manuscripts Section (RBMS) of the Association of College and Research Libraries (ACRL) division of the American Library
Association (ALA), the demarcation date for the infrequent automated merging of duplicate records for older materials has been changed. DDR processing now exempts all bibliographic records with dates of production/publication up to and including 1829. Previously,
the demarcation had been records with dates of production/publication earlier than 1800. For cartographic materials, DDR continues to exempt records with dates of publication earlier than 1901, as determined in consultation with ALA’s Map and Geospatial Information
Round Table (MAGIRT) Cataloging and Classification Committee (CCC). Also still exempted from DDR processing are all records identified in field 040 subfield $e as being cataloged under any of the following <a href="https://www.loc.gov/standards/sourcelist/descriptive-conventions.html" title="https://www.loc.gov/standards/sourcelist/descriptive-conventions.html" target="_blank"><span style="color:rgb(35,97,146)">MARC
Description Convention Source Codes</span></a> for rare and/or archival materials: amim, amremm, appm, bdrb, cgcrb, cco, dacs, dcgpm, dcrb, dcrmb, dcrmc, dcrmg, dcrmm, dcrmmss, dcrms, dmbsb, enol, estc, gihc, iosr, ohcm, rad, rna, vd16, vd17.<u></u><u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif">I’d like to thank Jay and OCLC for their responsiveness to input from our community.<u></u><u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif"><u></u> <u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif">Best,<u></u><u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif">Francis<u></u><u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif"><u></u> <u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif"><u></u> <u></u></span></p>
<p class="x_MsoNormal"><span style="font-size:12pt; font-family:Georgia,serif"><u></u> <u></u></span></p>
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<p class="x_MsoNormal"><b>From:</b> DCRM-L <<a href="mailto:dcrm-l-bounces@lib.byu.edu" target="_blank">dcrm-l-bounces@lib.byu.edu</a>>
<b>On Behalf Of </b>Weitz,Jay<br>
<b>Sent:</b> Thursday, August 20, 2020 4:57 PM<br>
<b>To:</b> DCRM Users' Group <<a href="mailto:dcrm-l@lib.byu.edu" target="_blank">dcrm-l@lib.byu.edu</a>><br>
<b>Subject:</b> [DCRM-L] WorldCat Matching Release Notes, August 2020<u></u><u></u></p>
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<p class="x_MsoNormal"><u></u> <u></u></p>
<p class="x_MsoNormal">Between March and July 2020, OCLC installed changes to WorldCat matching, including the following improvements and bug fixes:<u></u><u></u></p>
<ul type="disc">
<li class="x_MsoNormal">Duplicate Detection and Resolution (DDR) Matching: <u></u><u></u></li><ul type="circle">
<li class="x_MsoNormal">Rare Materials Exemption for DDR is Now Up to and Including 1829.<u></u><u></u></li><li class="x_MsoNormal">Improved DDR Matching of Serials with Generic Titles.<u></u><u></u></li><li class="x_MsoNormal">Improved DDR Matching for Place of Publication.<u></u><u></u></li><li class="x_MsoNormal">Stricter DDR Matching of Serials When Associated Corporate Bodies have Different Subordinate Units.<u></u><u></u></li></ul>
<li class="x_MsoNormal">Data Sync/Fingerprint Matching <u></u><u></u></li><ul type="circle">
<li class="x_MsoNormal">Improved Fingerprint Comparison for Place of Publication.<u></u><u></u></li><li class="x_MsoNormal">Stricter Fingerprint Matching of Serials When Associated Corporate Bodies have Different Subordinate Units.<u></u><u></u></li></ul>
<li class="x_MsoNormal">Bug Fixes <u></u><u></u></li><ul type="circle">
<li class="x_MsoNormal">Fix to the Creation of Fingerprints for Cross-Reference Records.<u></u><u></u></li></ul>
</ul>
<p class="x_gmail-m_2759649420648304406xmsonormal">These improvements have been prompted primarily by feedback from and consultation with members of the OCLC cooperative and were accomplished by the discussion, investigation, and testing work of the matching
team at OCLC.<u></u><u></u></p>
<p class="x_gmail-m_2759649420648304406xmsonormal"><u></u> <u></u></p>
<p class="x_gmail-m_2759649420648304406xmsonormal">See the <i><a href="https://nam05.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhelp.oclc.org%2FMetadata_Services%2FWorldShare_Record_Manager%2FWorldCat_Matching_release_notes_and_known_issues%2F2020_Release_notes%2F095WorldCat_Matching_release_notes_August_2020&data=02%7C01%7Cfrancis.lapka%40yale.edu%7C891a87b33bcb4c2ca8c008d8454baa6b%7Cdd8cbebb21394df8b4114e3e87abeb5c%7C0%7C0%7C637335538590107416&sdata=FeT0SCsLgxwvq91oYwL9T9l7hdvzmaGjGMH4pYzCsAQ%3D&reserved=0" target="_blank">WorldCat
Matching Release Notes, August 2020</a></i> for more details.<u></u><u></u></p>
<p class="x_gmail-m_2759649420648304406xmsonormal"> <u></u><u></u></p>
<p class="x_gmail-m_2759649420648304406xmsonormal">Please forgive any duplication of this message.<u></u><u></u></p>
<p class="x_MsoNormal"><u></u> <u></u></p>
<p class="x_MsoNormal">jay<u></u><u></u></p>
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<p class="x_MsoNormal" style="line-height:105%"><span style="font-family:Arial,sans-serif; color:rgb(51,63,72)">Jay Weitz</span><span style="font-family:-webkit-standard"><u></u><u></u></span></p>
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<p class="x_MsoNormal" style="line-height:105%"><b><span style="font-size:9pt; line-height:105%; font-family:Arial,sans-serif; color:rgb(51,63,72)">OCLC</span></b><span style="font-size:9pt; line-height:105%; font-family:Arial,sans-serif; color:rgb(51,63,72)">
· Senior Consulting Database Specialist, WorldCat Metadata Quality, Global Product Management</span><span style="font-family:-webkit-standard"><u></u><u></u></span></p>
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<p class="x_MsoNormal" style="line-height:105%"><span style="font-size:9pt; line-height:105%; font-family:Arial,sans-serif; color:rgb(51,63,72)">6565 Kilgour Place, Dublin, Ohio USA 43017</span><span style="font-family:-webkit-standard"><u></u><u></u></span></p>
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+1-614-764-6156 <b>· T</b> +1-800-848-5878 x6156 <b>· F</b> +1-614-718-7195</span><span style="font-family:-webkit-standard"><u></u><u></u></span></p>
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