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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hi John<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>You say you would prefer only to send data. So then presumably if one wants the Rep Info one would make another request to the information source, giving some reference to the data one is talking about.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>My preference would be to send Information i.e. data plus some Rep Info. However bear in mind that the RepInfo would effectively just be a pointer to the start of a Rep Info Network. To my mind this is neater and lead to a simpler set of interfaces.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Also I would like to talk generally – again for neatness and simplicity – so not all the exchanges will be between an OAIS and a Consumer – as described in the GB.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>..David<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> MOIMS-DAI <moims-dai-bounces@mailman.ccsds.org> <b>On Behalf Of </b>garrett@his.com<br><b>Sent:</b> 18 January 2021 08:39<br><b>To:</b> 'MOIMS-Data Archive Interoperability' <moims-dai@mailman.ccsds.org><br><b>Subject:</b> Re: [Moims-dai] Interoperability, Data, Information, and the DC<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Hi Mike,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have sent a separate response to the David’s message today before I worked my way to your response.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I agree that the MOIMS DAI group was discussing issues regarding whether OAIS-IF interfaces always required information exchanges vs. data exchanges. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>My preference is that individual exchanges could transfer only data. That data could become information by previously or subsequently having representation information.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>As for the DC, RepInfo and PDI Information that logically originates in the AIP is by definition directed at the DC. They may or may not be enough info to support the needs of non-DC users.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In addition, archives may hold additional RepInfo and various other data/information related to the AIPs or the archives operations (Packaging Info, Definition of AIPs, Catalog Info, reports, billing, DMPs, Design Docs, etc.) Much of this may also be exchanged with users (either DC or non-DC).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I’m not sure that it is possible to identify what is of value to the DC or non-DC audience. It may be better to identify the source of the info (logically from one or more AIPs or not from an AIP)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Hope, Health, or Peace,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>-JOhn<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> MOIMS-DAI <<a href="mailto:moims-dai-bounces@mailman.ccsds.org">moims-dai-bounces@mailman.ccsds.org</a>> <b>On Behalf Of </b><a href="mailto:kearneysolutions@gmail.com">kearneysolutions@gmail.com</a><br><b>Sent:</b> Sunday, January 17, 2021 2:36 PM<br><b>To:</b> 'MOIMS-Data Archive Interoperability' <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> [Moims-dai] Interoperability, Data, Information, and the DC<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>(Changed subject line from the thread below)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>There weren’t any other responses to David’s note below, and we did touch on data vs. information in the last telecon, but I don’t think we resolved anything. Correct me if I’m wrong on that. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I think that the discussion below would benefit form addition of the “Designated Community”. Moreover, I think what we can promise from OAIS-IF is…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>For the Designated Community, an OAIS-IF archive provides interoperability of information. (OAIS RM requires that the designated community can understand the content of DIPs). <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>For those outside the designated community, OAIS-IF only guarantees interoperability of data. OAIS-IF allows access and retrieval of data, but the OAIS-RM compliant archive doesn’t guarantee it has the Representation Information that can be interpreted by those outside the designated community. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>In the latter case, if an OAIS RM compliant archive wants to go the extra mile and provide Representation Information that even (*some?*) consumers from outside the Designated Community can understand, then they are welcome to do that. But they are not required. Therefore interoperability of information is provided for the Designated Community and perhaps others. But it may be that only interoperability of data is provided outside the Designated Community. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Does that ring a bell? (good or bad?) <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US style='color:#002060'> -=- Mike<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#002060'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Mike Kearney</span><span lang=EN-US style='color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#002060'>Huntsville, Alabama, USA <o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> MOIMS-DAI <<a href="mailto:moims-dai-bounces@mailman.ccsds.org">moims-dai-bounces@mailman.ccsds.org</a>> <b>On Behalf Of </b><a href="mailto:david@giaretta.org">david@giaretta.org</a><br><b>Sent:</b> Tuesday, January 12, 2021 5:58 AM<br><b>To:</b> 'MOIMS-Data Archive Interoperability' <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> Re: [Moims-dai] Reminder of Skype call tomorrow<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>Hi John<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>One immediate, absolutely fundamental, question arises from your comments, for example your first comment:<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><i>Although information exchange rather than data exchange is an admirable goal, I thought main purpose of OAIS-IF was interoperability. I think we should be aiming for interoperability whether information or data is exchanged.<o:p></o:p></i></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The question is “What is interoperability?”. We need to agree on that otherwise we are talking at cross-purposes.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="http://interoperability-definition.info/en/">http://interoperability-definition.info/en/</a> has a definition:<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'><i>Interoperability is a characteristic of a product or system, whose interfaces are completely understood, to work with other products or systems, present or future, in either implementation or access, without any restrictions.<o:p></o:p></i></p><p class=MsoNormal><i><o:p> </o:p></i></p><p class=MsoNormal>My understanding was that to have interoperability of information from different domains, say Solar studies and Meteorology, one needed to be able to “combine” (“work with”) the information from those domains e.g. plot the heat output from the Sun against weather patterns to see if Global Warming is caused by the Sun rather than Man. This requires more than just getting the data – which one can probably do already pretty easily. My belief was that this is why we are talking about an <b>OAIS</b>-IF – because one of the OAIS fundamental drivers is about understandability and usability.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Maybe some would think that interoperability is just finding relevant information e.g. where are is Solar energy output data? Well there are lots of things that exist already e.g. Google.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Maybe some would think that interoperability is just getting the data from multiple domains together. Well again that is pretty easy right now. Besides which isn’t the fundamental point in OAIS that we need more than the Data Object?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My question is “What does an <b>OAIS</b>-IF need to do?” in other words , what is the link to OAIS? Since we said this was not about the internals of the archives, OAIS-IF is not about the details of preservation, except when one os transferring (copies of) AIPs to another archive as part of the preservation strategy. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>To my mind the answer is that it has to deal with understandability/usability of the information which is encoded in data, together with evidence about Authenticity. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Perhaps we can discuss this today.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>..David<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> MOIMS-DAI <<a href="mailto:moims-dai-bounces@mailman.ccsds.org">moims-dai-bounces@mailman.ccsds.org</a>> <b>On Behalf Of </b><a href="mailto:garrett@his.com">garrett@his.com</a><br><b>Sent:</b> 12 January 2021 02:40<br><b>To:</b> 'MOIMS-Data Archive Interoperability' <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> Re: [Moims-dai] Reminder of Skype call tomorrow<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Great start.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I’ve added a number of comments to help move it forward.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Hope, Health, and Peace,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>-JOhn<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> MOIMS-DAI <<a href="mailto:moims-dai-bounces@mailman.ccsds.org">moims-dai-bounces@mailman.ccsds.org</a>> <b>On Behalf Of </b><a href="mailto:david@giaretta.org">david@giaretta.org</a><br><b>Sent:</b> Monday, January 11, 2021 2:57 PM<br><b>To:</b> MOIMS-DAI List <<a href="mailto:moims-dai@mailman.ccsds.org">moims-dai@mailman.ccsds.org</a>><br><b>Subject:</b> [Moims-dai] Reminder of Skype call tomorrow<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>Meeting: 10:00 Tuesday (Washington DC time), 1500 UK time, 1600 Paris time<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>If you do not receive a notification from Skype then please join it by clicking the link:<o:p></o:p></span></p><p class=MsoPlainText><a href="https://join.skype.com/ykyu5SIPhSnD"><span lang=EN-US>https://join.skype.com/ykyu5SIPhSnD</span></a><span lang=EN-US><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US>*Don't have Skype yet? Download it before you join </span><a href="https://www.skype.com"><span lang=EN-US>https://www.skype.com</span></a><span lang=EN-US><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>Draft agenda:<o:p></o:p></p><ol style='margin-top:0cm' start=1 type=1><li class=MsoListParagraph style='margin-left:0cm;mso-list:l0 level1 lfo3'>OAIS-IF<o:p></o:p></li></ol><ol style='margin-top:0cm' start=1 type=a><li class=MsoListParagraph style='margin-left:18.0pt;mso-list:l2 level1 lfo6'>Updated Draft Green Book <a href="https://www.dropbox.com/s/lf9hig3j9646jg6/OAIS-IF%20Rationale%20Scenarios%20and%20Requirements-20210107.docx?dl=0">https://www.dropbox.com/s/lf9hig3j9646jg6/OAIS-IF%20Rationale%20Scenarios%20and%20Requirements-20210107.docx?dl=0</a><o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>..David<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>