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Re: Proper usage of HTTP for LD servers, clients, crawlers etc.

From: Richard Cyganiak <richard@cyganiak.de>
Date: Fri, 1 Apr 2011 13:50:23 +0530
Cc: <public-lod@w3.org>
Message-Id: <6DA1D14E-80E3-449C-9966-E50CDFC7DF03@cyganiak.de>
To: Markus Luczak-Rösch <markus.luczak-roesch@fu-berlin.de>
On 1 Apr 2011, at 11:14, Markus Luczak-Rösch wrote:
> If endpoints deliver no content to the client e.g. if
> the client performs a SPARQL query that yields no results, servers answer
> HTTP status code 200 and deliver some content that holds the information
> that there were no results. As far as I see, there is the HTTP status code
> 204 for exactly this, isn't it? (see
> http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html)
> 
> So, beside the aforementioned and recently discussed proper usage of
> referrers, I would also suggest to use the 204 HTTP status code.

This is perhaps best communicated to the SPARQL working group as a comment on their SPARQL 1.1 Protocol editor's draft:
http://www.w3.org/2009/sparql/docs/protocol-1.1/

The WG invites comments to this address:
public-rdf-dawg-comments@w3.org

Best,
Richard



> 
> Cheers,
> Markus
> 
> 
> -----------------------------------------------------------------
> Markus Luczak-Rösch (Dipl.-Inform.)| Freie Universität Berlin
> Lecturer/Grad. Research Associate  | Dept. of Computer Science
> Networked Information Systems WG   | Königin-Luise-Str. 24/26
>                                   | D-14195 Berlin
> -----------------------------------------------------------------
> www.ag-nbi.de                      | Phone: +49 30 838 75226
> www.markus-luczak.de               | luczak@inf.fu-berlin.de
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Received on Friday, 1 April 2011 08:21:02 UTC

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