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lean graphs in the semantics

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Tue, 10 Jun 2003 17:01:07 -0400 (EDT)
Message-Id: <20030610.170107.97350911.pfps@research.bell-labs.com>
To: www-rdf-comments@w3.org

It appears that the definition of lean graphs is not very useful.

For example

	ex:x ex:r _:x .
	_:x ex:r ex:y .
	ex:x ex:r _:y .
	_:y ex:r ex:z .

is a non-lean graph but it is not internally redundant.

peter
Received on Tuesday, 10 June 2003 17:01:16 GMT

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