From: Peter F. Patel-Schneider (pfps@research.bell-labs.com)
Date: 02/21/01
On the call yesterday, someone was mentioning that literals at least had equality, i.e., that if you saw the same ``string'' twice then they were equal. This isn't true, at least in some interpretations of literals. Consider the current proposal. Here a literal is embedded in a larger structure, and the larger structures are definitely not equal. For example <xsd:decimal rdf:value="10.0"/> and <xsd:float rdf:value="10.0"/> are not equal. Consider the previous proposal. There literals were not embedded in larger structures, but were instead held in a sort of limbo until their type was known. The end result of this process was that two literals with the same string representation could end up as different values. What lesson can be learned from this? Well, perhaps either literals are very strange or the treatment of them is very strange. pete
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