[Taxacom] Semantic Web: What is a species?
J. Kirk Fitzhugh
kfitzhugh at nhm.org
Fri Jan 30 16:25:24 CST 2009
Actually, facts stand separate from observation statements. Observation
statements, as subject-predicate relations, are represented in a data
set. Observation statements don't become anything different.
Total evidence only comes into play when one addresses the explanatory
relevance of one set of observation statements to another set.
Richard Zander wrote:
> My point is that a datum, though a fact, becomes something different in
> the context of a data set. The set assumes the fact is part of the set,
> yet the original rejection of a particular datum as not taxonomically
> relevant (at higher taxonomic levels) by an alpha taxonomist is ignored
> by assuming the datum is unlinked.
J. Kirk Fitzhugh, Ph.D.
Curator of Polychaetes
Invertebrate Zoology Section
Research & Collections Branch
Natural History Museum of Los Angeles County
900 Exposition Blvd
Los Angeles CA 90007
e-mail: kfitzhug at nhm.org
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