- From: Sandro Hawke <sandro@w3.org>
- Date: Wed, 08 May 2013 10:21:30 -0400
- To: Pat Hayes <phayes@ihmc.us>
- CC: Andy Seaborne <andy.seaborne@epimorphics.com>, RDF-WG <public-rdf-wg@w3.org>
On 05/08/2013 10:12 AM, Pat Hayes wrote: > On May 7, 2013, at 4:13 AM, Andy Seaborne wrote: > >> RDF Concepts says: >> >> [[ >> Literal equality: Two literals are equal if and only if the two lexical forms, the two datatype IRIs, and the two language tags (if any) compare equal, character by character. >> ]] >> >> I think it would be useful to spell out "term equality" and "value equality" as important concepts. >> > Blech. I strongly dislike having "kinds" of equality. Equality has one meaning, and it does not admit of degrees or kinds. This is a difference between literals and literal values, not two kinds of equality. We already draw out the distinction between literals and literal values. +1 Something like: "Systems may compare literals terms for equality or they may compare the _values_ those literals denote. Literals themselves are equal if and only if ..... In contrast, the values of literals..." >> RDF Concepts already defines "RDF term". >> >> [[ >> Literal term equality: Two literals are term-equals (the same RDF literal) if and only if the two lexical forms, the two datatype IRIs, and the two language tags (if any) compare equal, character by character. >> ]] >> >> [[ >> Literal value equality: Two literals that are associated with the same value as said to be value-equals. >> >> Two literals can be value-equals without being the same term. For example: >> >> "1"^^xs:integer >> >> "01"^^xs:integer >> >> are assciated with the same value, but are not the same literal RDF terms and are not term-equals. >> ]] >> >> ("associated" is the work used in 5.5 currently) > Why not say "refer to" or "denotes", both of which are used throughout the spec? Why introduce another terminology? +1 earlier in that section, we also use the term "represent" - s > Pat > >> Andy >> >> > ------------------------------------------------------------ > IHMC (850)434 8903 or (650)494 3973 > 40 South Alcaniz St. (850)202 4416 office > Pensacola (850)202 4440 fax > FL 32502 (850)291 0667 mobile > phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes > > > > > > >
Received on Wednesday, 8 May 2013 14:21:39 UTC