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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Sorry. Forgot to say that one to one mapping being discussed is between the entities in the new representation and the equivalent entities in the original representation.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>For example, the ‘A’ character in Unicode has a one to one mapping back to the ‘A’ character in ASCII.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Wishing you prosperity and peace,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>-JOhn <o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='color:#1F497D'><o:p> </o:p></span></a></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> John Garrett [mailto:garrett@his.com] <br><b>Sent:</b> Sunday, November 20, 2016 2:15 AM<br><b>To:</b> 'MOIMS-Data Archive Ingestion' <moims-dai@mailman.ccsds.org><br><b>Subject:</b> RE: [Moims-dai] Question about Reversible Transformation<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I think the explanation of Reversible Transformation with examples later in the document is helpful in understanding what is meant.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>It might help to replace ‘entity’ with ‘component’ or ‘item’ or ‘thing’ or ‘object’.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>For version 3 that we are working on now. I think I might drop the second ‘resulting’ and ‘base’ in an updated definition. Would that change anyone’s understanding the term?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Wishing you prosperity and peace,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>-JOhn<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> MOIMS-DAI [<a href="mailto:moims-dai-bounces@mailman.ccsds.org">mailto:moims-dai-bounces@mailman.ccsds.org</a>] <b>On Behalf Of </b>Caillet Claire<br><b>Sent:</b> Thursday, November 17, 2016 4:17 AM<br><b>To:</b> MOIMS-Data Archive Ingestion <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> [Moims-dai] Question about Reversible Transformation<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dear all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Once again, in the translation work of the OAIS, we have some questions. It is about the definition of the <b>Reversible Transformation</b> (A Transformation in which the new representation defines a set (or a subset) of resulting entities that are equivalent to the resulting entities defined by the original representation. This means that there is a one-to-one mapping back to the original representation and its set of base entities.).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What is meant by “resulting entities” and “base entities” ? Is the one-to-one mapping between the original representation and its base entities or between the new and the original representation base entities ?<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='color:black;mso-fareast-language:FR'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:FR'>Thanks for you help.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:6.0pt'><span lang=FR style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>_______________________________________________________________________</span><span lang=FR style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f">
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</v:shape><![endif]--><![if !vml]><img width=42 height=46 src="cid:image003.jpg@01D242D4.8077A3B0" align=left hspace=12 v:shapes="Image_x0020_1"><![endif]><b><span lang=FR style='font-size:10.0pt;font-family:"Arial",sans-serif;mso-fareast-language:FR'>Claire Caillet<o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;mso-fareast-language:FR'>CNES</span></b><span lang=FR style='font-size:8.0pt;mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>DCT/PS/TVI</span><span lang=FR style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'> </span><span lang=FR style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>Centre Spatial de Toulouse</span><span lang=FR style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>Tel.: +33 5 61 28 14 38<o:p></o:p></span></p><p class=MsoNormal><span lang=IT style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>e-mail : <a href="mailto:claire.caillet@cnes.fr">claire.caillet@cnes.fr</a><o:p></o:p></span></p><p class=MsoNormal><span lang=IT style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'> </span><span lang=IT style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>18 Avenue Edouard Belin </span><span lang=FR style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>31 401 Toulouse Cedex 4<o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>FRANCE<o:p></o:p></span></p><p class=MsoNormal><span lang=FR style='font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:FR'>_______________________________________________________________________</span><span lang=FR style='mso-fareast-language:FR'><o:p></o:p></span></p><p class=MsoNormal><span lang=FR><o:p> </o:p></span></p></div></body></html>