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12
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabri...

by Bridget Almas

Gary, Of course, and it is our intent. We have already begun, as Ulrich and Thomas mentioned, by working through the definitions directly within the RDA instance of the DFT tool so that our work is visible to all as we go. Best Bridget
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12
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabri...

by Gary Berg-Cross

Bridget et al, It would seem that the Research Data Collections WG is the proper place for this conversation and work advance and that you have already assembled some of the major resources for this. At some point you may have candidate concepts with definitions to provide to DFT and others. Is that OK with the WG to proceed on this? Gary Berg-Cross, Ph.D. ***@***.*** ​​ ​
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12
April
2016

Re: [rda-datafabric-ig] RE: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabri...

by Gary Berg-Cross

Jeremy et al Yes, your ​ DCMI collection reference is apt and indeed, as I recall, this effort and projects like Europena provided some idea of aggregation as the basis for collection. For example from the DBLIB article (Representing Cultural Collections in Digital Aggregation and Exchange Environments ​)​ we had: "The DCMI Metadata Terms defines *dcterms:hasPart* as "A related resource that is included either physically or logically in the described resource", and*dcterms:isPartOf* as
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12
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Jacob Jett

Hi, I'm one of the researchers that Jeremy contacted yesterday regarding the definition of the *gatheredInto(x,y)* predicate. I've been reading up on this discussion and had a question about one of the collection definitions being maintained by the RDA. Regarding the concept of PID (persistent identifier) has there been any true consensus on what "persistent" and "identifier" mean? For instance, would the name Keith be a PID (why?/why not?). Also regarding the "precise" collection definition from the collection
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12
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Ulrich Schwardmann

Dear Keith, all, dear, I had to truncate the subject line, because it got to long during our debate for the RDA list server. I think this is a really strong reminder to get settled;-) Dear Keith, all, dear, I had to truncate the subject line, because it got to long during our debate for the RDA list server. I think this is a really strong reminder to get settled;-) Am 12.04.2016 um 12:41 schrieb ***@***.***: > > Ulrich – > > >
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12
April
2016

RE: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Keith Jeffery

Ulrich – Many thanks for this clear explanation. I also enjoy this type of discussion. I have a few points: You said: Alternatively we also can say, we omit the possibility of correctness proves and use artificial intelligence. In this case we can just use language and, if really wanted, ontologies.
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12
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Ulrich Schwardmann

Hi Gary, all, I agree with Thomas: this now tends to become a more and more philosophical debate - I like this, and we should continue this perhaps with a beer in Denver. But to shorten the decisions process here let me assume that an undoubted goal is to setup the foundations to build automated processes on collections and try to bring it down to a simple question: Do we want to be able to prove the correctness of processes on collections or not. If this is case, we need a mathematical solid
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11
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Gary Berg-Cross

Ulrich In response to your reductive assumption in: >To Gary: of course a collection is something different to an ordinary PID also in my reductionist approach. It is a PID, that points to a very special kind of DO. My assumption is, that this is sufficient for all Ulrich In response to your reductive assumption in: >To Gary: of course a collection is something different to an ordinary PID also in my reductionist approach. It is a PID, that points to a very special kind of DO. My assumption is, that this is sufficient for all
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11
April
2016

RE: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Keith Jeffery

All – Let me rejoin now. 1. I don’t like ‘a collection is a PID’. A collection is a collection and a PID is something that identifies it uniquely and permanently
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11
April
2016

Re: [rda-datafabric-ig][rda-collection-wg] Re: [rda-datafabric-ig][rda-collection-wg] Some thoughts on "Data Aggregations" terminology & concepts

by Ulrich Schwardmann

Dear Jeremy, all here, as far as I can see from a first look, the definition is relying on the binary predicate /isGatheredInto/(/x/,/y/), which I couldn't find to be defined at the given location anymore. So one probably cannot use this as a definition here, without defining how this predicate function works in all cases. But the other way around: if one uses my reductionist definition, the function /isGatheredInto/(/x/,/y/) is almost trivially to define, because one just looks, whether PID y is contained in the set of PIDs in
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