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parid0034
| Fri, 31 Jan 2003 22:00:25
In a topic map graph, every subject is represented by a single node
In a topic map graph, every subject *should be* (as far as
possible) represented by single node
There is *no way* to make sure that two distinct
> topics (nodes) do not *represent in fact the same subject* because of the above remark.
> Subjects that are considered implicitly distinct in a given topic map, on the basis that
> they are represented by distinct topics with distinct SIDPs, might be considered identical
> by another topic map on the basis of new discovered properties ... This is a frequent
> process in progress of knowledge that subjects considered as distinct at some point are
> discovered as being the same later on. Think about various historical apparitions of
> Halley's comet before Halley's discovery that they were the same one returning ...
parid0034
| 29 Jan 2003 21:30:19
One difficulty in reading this proposal was the use of the terms "subject" and "proxy". I'm not entirely clear on which of these interpretations is correct: subject proxy ---------------- --------------- subject (13250 sense) node (RM), item (infoset), ... node (RM), item (infoset), ... XML element |