Richard Cyganiak wrote: > Ivan, > > On 10 Dec 2008, at 13:39, Ivan Herman wrote: >>> <html rel="foaf:maker" rev="foaf:homepage"> >>> <body about="#me"> >>> ... >>> >>> I expect this to generate these triples: >>> >>> <> foaf:maker <#me> . >>> <#me> foaf:homepage <> . >>> >>> But what I get from the RDFa Distiller: >>> >>> <> foaf:maker <#me> . >>> <#me> foaf:homepage <> . >>> <> foaf:maker <> . >>> <> foaf:homepage <> . >>> >>> Why is this? >> >> This is not a bug, it is an (ugly!) feature!:-( > > Hm, weird. > > So I presume the lesson is that RDFa authors should keep their hands off > the <html> element or weird things might happen. > Yep! :-) ivan > I found a way of saying what I wanted in a simple way: > > <body rel="foaf:primaryTopic foaf:maker" rev="foaf:homepage" > resource="#me"> > > It has the same effect and seems just a little bit less natural to me. > > Richard > > > >> And this is related to >> what I quoted in my previous mail: >> >> [[[ >> Actually, there might be a slight issue in the spec, though: the spec >> explicitly says "if the element is the head or body element then act as >> if there is an empty @about present" but it does not say anything about >> the html element... >> ]]] >> >> so, the extra <>-s you get are because the <head> does not include any >> @about and therefore an implicit @about="" is added! If you put an >> @about in the head, too, >> >> <html rel="foaf:maker" rev="foaf:homepage"> >> <head about="#you"> >> <body about="#me"> >> >> then you get >> >> <rdfa-test.html#me> foaf:homepage <rdfa-test.html> . >> <rdfa-test.html#you> foaf:homepage <rdfa-test.html> . >> <rdfa-test.html> foaf:maker <rdfa-test.html#me>, <rdfa-test.html#you> . >> >> I am not saying it is nice but, well, that is the way it seems to be:-( >> >> Ivan >> >> -- >> >> Ivan Herman, W3C Semantic Web Activity Lead >> Home: http://www.w3.org/People/Ivan/ >> PGP Key: http://www.ivan-herman.net/pgpkey.html >> FOAF: http://www.ivan-herman.net/foaf.rdf -- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
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