<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Yes, it is critical to clearly define the Information to be preserved which then defines the amount of semantics needed. Otherwise long term success is unlikely. As Bruce notes, different repositories may have different needs even for the same starting data. I believe this is also critical for the preservation of complex information such as a performance.</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Cheers,</div><div id="AppleMailSignature">Don</div><div id="AppleMailSignature"><br></div><div><br>On Apr 20, 2016, at 5:33 PM, <a href="mailto:bambacher@verizon.net">bambacher@verizon.net</a> wrote:<br><br></div><blockquote type="cite"><div><div style="FONT-FAMILY: Arial; COLOR: #000000; FONT-SIZE: 12px"><div>It seems to me that Brent has stepped down a level from the abstract (ISO 14721 OAIS, and ISO 16363 Certification) to an implementation level that we have specifically left to the designated communities to address. This is not a "cop out." It is a conscious decision to allow communities to develop the digital preservation repositories that best meet current and future (as it can be surmised) community needs as preservation and future use impact and shape those community needs.</div><div><br></div><div>Appropriate Preservation Description Information should address Brent's issues from his community's perspective. Two repositories may preserve the same data. One may guarantee access only to the raw data; the other may guanantee access to the data and to how it looked and sounded. Both can be legitimate approaches depending on their users and their technical capabilities.</div><div> </div><div> </div><div style="border-top:1px solid #bcbcbc;margin:5px 0px;"></div><span style="font-size:12;font-family:arial;color:#000000;">On 04/20/16, <span>Brent Kimberley<<a href="mailto:Brent.Kimberley@durham.ca">Brent.Kimberley@Durham.ca</a>></span> wrote:</span><div> </div><div style="font-size:12;font-family:arial;color:#000000;"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I assumed that</span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">preservation-observers record (n-valued logic – to guard against logic bombs)</span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">preservation-observers may not always be able to immediately make decisions regarding existence</span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">as information navigates the continuum of time, irrelevant snapshots decrease. (i.e. controlling mind hypothesis)</span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><!--[endif]--><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">historians also make existence decisions</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span></p><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> David Giaretta [<a class="parsedLink" href="mailto:david@giaretta.org" target="_blank">mailto:david@giaretta.org</a>]<br><b>Sent:</b> Wednesday, April 20, 2016 4:21 PM<br><b>To:</b> MOIMS-Data Archive Ingestion<br><b>Subject:</b> RE: [Moims-dai] Notes on meeting with Vint Cerf</span></p></div></div><p class="MsoNormal"> </p><div><p class="MsoNormal">Hi </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Personally I try to be agnostic about what should be preserved. This is an important topic but I cannot see how anything useful can be said in general terms (except the objects must exist at the point of being preserved).</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">What do others think?</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">David</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><div id="composer_signature"><div><p class="MsoNormal"><span style="font-size:10.0pt;color:#575757">Sent from my Samsung device</span></p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br><br>-------- Original message --------<br>From: Brent Kimberley <<a class="parsedEmail" href="mailto:Brent.Kimberley@Durham.ca" target="_blank">Brent.Kimberley@Durham.ca</a>><br>Date: 20/04/2016 21:11 (GMT+00:00) <br>To: <a class="parsedEmail" href="mailto:moims-dai@mailman.ccsds.org" target="_blank">moims-dai@mailman.ccsds.org</a> <br>Subject: RE: [Moims-dai] Notes on meeting with Vint Cerf </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Hi.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">May I ask a question? (I don’t have David Giaretta’s book.)</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">What are David’s thoughts regarding the entities to be preserved, the channels and the preservation-observers ? </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-indent:.5in"><span style="color:#1F497D">Has he placed any requirements on the entities themselves? (e.g. existence, observability, persistence, …)</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span></p><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Robert R Downs [<a class="parsedEmail" href="mailto:rdowns@ciesin.columbia.edu" target="_blank">mailto:rdowns@ciesin.columbia.edu</a>]<br><b>Sent:</b> Wednesday, April 20, 2016 2:44 PM<br><b>To:</b> <a class="parsedEmail" href="mailto:moims-dai@mailman.ccsds.org" target="_blank">moims-dai@mailman.ccsds.org</a><br><b>Subject:</b> Re: [Moims-dai] Notes on meeting with Vint Cerf</span></p></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt">David -<br><br>My only suggestion would be to revise the first item to read more like the following: "He described the value of having read, so far, the first 300 pages of David Giaretta’s book, Advanced Digital Preservation ...".<br><br>Thanks,<br><br>Bob<br><br>Robert R. Downs, PhD<br>Senior Digital Archivist and Senior Staff Associate Officer of Research<br>Acting Head of Cyberinfrastructure and Informatics Research and Development<br>Center for International Earth Science Information Network (CIESIN),<br>The Earth Institute, Columbia University<br>P.O. Box 1000, 61 Route 9W, Palisades, NY 10964 USA<br>Voice: 845-365-8985; fax: 845-365-8922<br>E-mail: <a class="parsedEmail" href="mailto:rdowns@ciesin.columbia.edu" target="_blank">rdowns@ciesin.columbia.edu</a><br>Columbia University CIESIN Web site: <a href="http://www.ciesin.columbia.edu" target="_blank">http://www.ciesin.columbia.edu</a><br>ORCID: 0000-0002-8595-5134<br><br><br></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On 4/20/2016 2:34 PM, David Giaretta wrote:</p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Any objections/updates/additions/corrections?</p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Regards</p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">..David</p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><br><br><br><br></p><pre>_______________________________________________</pre><pre>Moims-dai mailing list</pre><pre><a class="parsedEmail" href="mailto:Moims-dai@mailman.ccsds.org" target="_blank">Moims-dai@mailman.ccsds.org</a></pre><pre><a href="http://mailman.ccsds.org/mailman/listinfo/moims-dai" target="_blank">http://mailman.ccsds.org/mailman/listinfo/moims-dai</a></pre></blockquote><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><p class="MsoNormal">THIS MESSAGE IS FOR THE USE OF THE INTENDED RECIPIENT(S) ONLY AND MAY CONTAIN INFORMATION THAT IS PRIVILEGED, PROPRIETARY, CONFIDENTIAL, AND/OR EXEMPT FROM DISCLOSURE UNDER ANY RELEVANT PRIVACY LEGISLATION. 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