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Hello Georg, Maybe the data dictionary section 4 page 4-4 to 4-5 answers your question? In my opinion indeed a file should not contain other files. It can contain bitstreams though. I think in PREMIS terms, the zip file does not _contain_ files within it, rather it's a transformation of the files being compressed. Zhiwu Xie On Mon, 2006-10-09 at 06:08, Georg Buechler wrote: > We've just been discussing a similar question, so thank you Youn for > bringing this up! > > We decided to use PREMIS to record metadata in a digital preservation > project with state archives in Switzerland. I should point out that > this is really a very basic, pilot project, and that we are not using > METS, which may be the cause of some of the problems we encountered. > Namely, we are archiving data from a database-driven application. We > plan to combine several plain-text data files, information about the > data model, and other files into a zip-file. So we have a > representation (the AIP in the current form) consisting of one file > (the zip-file) which itself consists a couple of other files - there > clearly is a hierarchy of files that is difficult to model in PREMIS. > Example 3 in the PREMIS Data Dictionary (p. 3-34 sqq.) gives a hint of > how to achieve this, namely through the use of the "relationship" > semantic unit. However, this looks more like a workaround to me, as I > understand a file cannot contain other files. Is this understanding > correct? Or am I missing the actual point here? > > Thanks for any kind of clarification. > > Best, > Georg > > -- > Coordination Agency for the Preservation of Electronic Files > c/o Swiss Federal Archives > Archivstrasse 24 > 3003 Berne > Switzerland > > T/ +41 31 322 82 18 > F/ +41 31 322 78 32 > E/ [log in to unmask] > W/ http://kost-ceco.ch/ > > > > -----Ursprüngliche Nachricht----- > > Von: PREMIS Implementors Group Forum [mailto:[log in to unmask]] Im > > Auftrag von Youn Noh > > Gesendet: Samstag, 7. Oktober 2006 00:07 > > An: [log in to unmask] > > Betreff: Re: [PIG] Upcoming revision of the PREMIS Data > > Dictionary - call for participation > > > > For repositories that aren't using METS, I'm wondering if it > > might not be a good idea to make it possible to represent > > structural relationships in PREMIS hierarchically by revising > > the schema for the object entity so that relationship can be > > a child of relationship. > > > > Thank you, > > Youn > > > > > > Youn Noh > > Digital Resources Catalog Librarian > > Catalog Department > > Yale University Library > > P.O. Box 208240 > > New Haven, CT 06520-8240 > >