RE: Earl graph

Ignore my previous comment about dropping Person - Sean's perfectly right
here, I was also misreading the diagram...

---
Danny Ayers
http://www.isacat.net

>-----Original Message-----
>From: w3c-wai-er-ig-request@w3.org
>[mailto:w3c-wai-er-ig-request@w3.org]On Behalf Of Sean B. Palmer
>Sent: 16 May 2001 20:42
>To: Charles McCathieNevile
>Cc: Danny Ayers; w3c-wai-er-ig@w3.org
>Subject: Re: Earl graph
>
>
>> OK, so this causes a problem for me. In some cases the
>> assertor will not be a person at all. [...]
>
>Of course: that's why "Person" is a *sub* class of "Assertor", not
>daml:sameClassAs. From the 0.9 N3 schema [1]:-
>
>   earl:Person a rdfs:Class; rdfs:subClassOf earl:Assertor .
>
>Has this not come across in the graph somewhere? Hmm... is says
>"Person isA Assertor", which I guess means that all instances of
>person are also instances of Assertor. While that's correct, it should
>be noted that this isn't the only sub class allowed. The whole point
>of rdfs:subClassOf is that as well as being a transitive property (as
>indicated in the graph), it's also a refining mechanism - it allows
>you to specialize super classes.
>
>[1] http://www.w3.org/2001/03/earl/0.9.n3
>
>--
>Kindest Regards,
>Sean B. Palmer
>@prefix : <http://webns.net/roughterms/> .
>:Sean :hasHomepage <http://purl.org/net/sbp/> .
>

Received on Thursday, 17 May 2001 04:16:01 UTC