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Re: [TF-PP] Questions on Property Paths

From: Steve Harris <steve.harris@garlik.com>
Date: Sat, 10 Oct 2009 12:17:26 +0100
Cc: "public-rdf-dawg@w3.org Group" <public-rdf-dawg@w3.org>
Message-Id: <1A47A550-650B-4115-8CF3-01E31D8CC562@garlik.com>
To: "Seaborne, Andy" <andy.seaborne@hp.com>
On 9 Oct 2009, at 18:06, Seaborne, Andy wrote:
>>
>>>> "Cycles in paths are possible and are handled." in any particular
>>>> way?
>>>
>>> Rough wording. Cycles exist naturally so have to be handled but
>>> that's an implementation issues.  It might be by tracking visited
>>> nodes, or it might be just part of some algorithm. (e.g. Floyd-
>>> Walshall does not have special cases for cycles).
>>
>> OK, so you're not proposing any particular solution at this point?
>
> I think it is an implementation issue and outside the spec. I hope  
> I've shown there is more than one way of doing it and so a spec  
> should not choose.

OK. I was thinking about interop, but I've not given enough thought to  
algorithms to know how restrictive, or hard, it would be to ensure  
consistent output across processors.

- Steve

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Steve Harris
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Received on Saturday, 10 October 2009 11:17:56 GMT

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