Concretizes at some time vs concretizes at all times

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Is it possible to have

 * x 'concretizes at some time' y

Without also having

 * x 'concretizes at all times' y

?

If not, they should be merged. If so, an example should be provided.

The existing example does not help as it doesn't refer to time, and is reused 
for both temporal forms:

  'example of usage' "you may concretize a poem as a pattern of memory traces in your head"@en

Consider adding different examples for different temporal forms.

Also consider another example. I have no idea what a pattern of memory traces 
in my head might be, or how I might go about finding a poem concretized in one 
of them. 

Original issue reported on code.google.com by cmung...@gmail.com on 16 Nov 2012 at 10:08

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Original comment by cmung...@gmail.com on 16 Nov 2012 at 10:15

• Added labels: Type-BFO2-OWL
• Removed labels: Type-BFO2-Reference

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Thinking aloud:
depends on, e.g. whether IA can change. If you think a document changes, then 
there are some magnetic fields on my disk that concretized it before but no 
longer do. 
Will think of other examples/counters.

could change pattern of memory traces -> pattern of synapses for closer 
connection to current understanding of how memories are formed. We want 
something that suggests something can be concretized in the head but it doesn't 
need to sound as specific.

Original comment by alanruttenberg@gmail.com on 17 Nov 2012 at 12:19

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The strategy for handling documents in IAO was inspired by the FRBR model 
http://archive.ifla.org/VII/s13/frbr/frbr1.htm . In that model, a "work" is a 
distinct intellectual or artistic creation, which is realized in an 
"expression", which in turn is embodied in a "manifestation."  The distinction 
between works is based on "a significant degree of independent intellectual or 
artistic effort" (so, e.g. Shakespeare's Romeo and Juliet is a different work 
than Franco Zeffirelli's motion picture of the same name).  A particular work 
can have multiple expressions, e.g. different editions, such as Romeo & 
Juliet's quarto version of 1597 versus the first folio edition of 1623, which 
had far fewer errors and typos). In the FRBR model, translations are 
expressions.

With respect to the question at hand, it would seem as if the FRBR model 
suggests that if an expression 'concretizes at some time' a work, then it 
concretizes that work at all times.  Just because a better edition comes out, 
doesn't mean the old one ceases to be a concretization of the *work*.  Multiple 
expressions can realize the same work.  

If we want to extend that reasoning to IAs generally, then 'concertizes at some 
time' should be merged with 'concretizes at all times' 

Larry

Original comment by HunterOn...@gmail.com on 19 Nov 2012 at 5:19