Interoperable Logging WAS: Re: [topicmapmail] Questions About XTMOccurrence Semantics

[Peter P. Jones]

Hi Dmitry,

Dmitry wrote:
[...]
> We can have an additional topic map (provenanace topic map) in which 
> topics correspond to Items from "domain level" topic maps.
> These topics use "domain level" Item Idintifiers to refence back to 
> constructs from "domain level" topic maps.

I'm not sure I understand that properly.
Is it like:
Top level - topics for TM item constructs: topic item, association item, 
occurrence item...etc.
Then occurrences of those top level topics refer to particular items in 
e.g. user topic map.
Then each, e.g., occurrence from the top level map pointing at 
information items of the user topic map is reified, and then metadata 
attached to the reified topic.
Is that roughly what you mean?

> If you design a topic map engine, I would recommend to incorporate 
> provenance information inside of your data model (kind of TMDM extension 
> at implementation level). In this case, at any time, you can export 
> extensions as a "provenance topic map"  in XTM

Yes, my thinking is heading that way. For one thing it is easier to cope 
with the messaging.

Thanks,
Peter

> 
> Dmitry
> 
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