- From: Miles, AJ \(Alistair\) <A.J.Miles@rl.ac.uk>
- Date: Mon, 3 Oct 2005 17:28:38 +0100
- To: "Benjamin Nowack" <bnowack@appmosphere.com>
- Cc: <semantic-web@w3.org>, <public-esw-thes@w3.org>, <public-swbp-wg@w3.org>
Hi Benjamin, Thanks for this hint, I've got it working now. I added a couple of lines to the .htaccess file, so it has: --- Options -MultiViews RewriteRule ^bar$ bar.var RewriteRule ^core-latest-rdf$ /2004/02/skos/core/history/2005-03-31 [R=303] RewriteRule ^core-latest-html$ /TR/2005/WD-swbp-skos-core-spec-20050510 [R=303] --- Now http://www.w3.org/2004/02/skos/bar behaves as desired. Cheers, Al. > -----Original Message----- > From: Benjamin Nowack [mailto:bnowack@appmosphere.com] > Sent: 03 October 2005 16:50 > To: Miles, AJ (Alistair) > Cc: semantic-web@w3.org; public-esw-thes@w3.org; public-swbp-wg@w3.org > Subject: Re: [VM] content-dependent redirects in apache ... help! > > > > Hi Alistair, > > just guessing, but do you have Multiviews enabled? > > cheers, > benjamin > > -- > Benjamin Nowack > > Kruppstr. 100 > 45145 Essen, Germany > http://www.bnode.org/ > > On 03.10.2005 16:20:16, Miles, AJ \(Alistair\) wrote: > > > >Hi all, > > > >A short while ago I posted a proposed URI dereferencing > policy & setup for > >SKOS Core [1] as a possible candidate for future best > practice wrt 'hash' RDF > >namespaces. To sum up what it does: basically, if the > client asks for html, > >it gets redirect to the latest version of the html > documentation, and if the > >client asks for rdf, it gets redirected to the latest > version of the rdf > >description. This was to satisfy two requirements: > > > >(Requirement 1) property & class URIs are 'clickable' in web > browsers and take > >you to human readable stuff. > > > >(Requirement 2) provenance of any rdf statements about > classes/props is always > >a date-stamped version of the 'ontology', allowing > determination of which > >'version' is being used by an application at run-time. > > > >I've tried to implement this setup as a test on the W3C > server, but have run > >into a problem and so am posting this in the hope that those > who know apache > >better than me can tell me what's going on (i.e. help! :) > > > >I've got the following setup: > > > >In the directory /2004/02/skos/ there is a file 'bar.var' > which looks like ... > >--- > >URI: bar > > > >URI: core-latest-rdf > >Content-type: application/rdf+xml > > > >URI: core-latest-html > >Content-type: text/html > > > >URI: core-latest-html > >Content-type: text/xml > > > >URI: core-latest-html > >Content-type: application/xml > > > >URI: core-latest-html > >Content-type: application/xhtml+xml > >--- > > > >I added the following lines to .htaccess in /2004/02/skos/ ... > >--- > >RewriteRule ^core-latest-rdf$ > /2004/02/skos/core/history/2005-03-31 [R=303] > >RewriteRule ^core-latest-html$ > /TR/2005/WD-swbp-skos-core-spec-20050510 [R=303] > >--- > > > >(So the idea was to test if I could make the URI > >http://www.w3.org/2004/02/skos/bar behave how we ultimately > want the URI > >http://www.w3.org/2004/02/skos/core to behave). > > > >Now, if I try to GET http://www.w3.org/2004/02/skos/bar.var > everything behaves > >as I would like, with a redirect to different resources > dependent on the > >'Accept:' header in the original request. > > > >However, if I try to GET http://www.w3.org/2004/02/skos/bar > I get a 404 not > >found. It's obviously getting to the type-map file, because > of the header > >returned by the server (see below, the 'Content-Location:' > field), but for > >some reason is not doing the subsequent redirect. > > > >Here's the HTTP trace, anyone know what's going on? ... > >--- > >http://www.w3.org/2004/02/skos/bar > > > >GET /2004/02/skos/bar HTTP/1.1 > >Host: www.w3.org > >User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; > rv:1.7.11) > >Gecko/20050728 > >Accept: > >text/xml,application/xml,application/xhtml+xml,text/html;q=0. > 9,text/plain;q=0.8 > >,image/png,*/*;q=0.5 > >Accept-Language: en-us,en;q=0.5 > >Accept-Encoding: gzip,deflate > >Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 > >Keep-Alive: 300 > >Proxy-Connection: keep-alive > > > >HTTP/1.x 404 Not Found > >Date: Mon, 03 Oct 2005 15:10:16 GMT > >Server: Apache/1.3.33 (Unix) PHP/4.3.10 > >Content-Location: core-latest-html > >Vary: negotiate,accept > >TCN: choice > >P3P: policyref="http://www.w3.org/2001/05/P3P/p3p.xml" > >Last-Modified: Mon, 05 Sep 2005 07:47:53 GMT > >Etag: "431bf829;43414560" > >Accept-Ranges: bytes > >Content-Length: 2006 > >Content-Type: text/html; charset=iso-8859-1 > >X-Cache: MISS from wwwcache.rl.ac.uk > >Proxy-Connection: close > >---------------------------------------------------------- > >http://www.w3.org/2004/02/skos/bar > > > >GET /2004/02/skos/bar HTTP/1.1 > >Host: www.w3.org > >User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; > rv:1.7.11) > >Gecko/20050728 > >Accept: application/rdf+xml > >Accept-Encoding: gzip,deflate > >Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 > >Keep-Alive: 300 > >Proxy-Connection: keep-alive > > > >HTTP/1.x 404 Not Found > >Date: Mon, 03 Oct 2005 15:15:13 GMT > >Server: Apache/1.3.33 (Unix) PHP/4.3.10 > >Content-Location: core-latest-rdf > >Vary: negotiate,accept > >TCN: choice > >P3P: policyref="http://www.w3.org/2001/05/P3P/p3p.xml" > >Last-Modified: Mon, 05 Sep 2005 07:47:53 GMT > >Etag: "431bf829;43414560" > >Accept-Ranges: bytes > >Content-Length: 2006 > >Content-Type: text/html; charset=iso-8859-1 > >X-Cache: MISS from wwwcache.rl.ac.uk > >Proxy-Connection: close > >---------------------------------------------------------- > >http://www.w3.org/2004/02/skos/bar.var > > > >GET /2004/02/skos/bar.var HTTP/1.1 > >Host: www.w3.org > >User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; > rv:1.7.11) > >Gecko/20050728 > >Accept: > >text/xml,application/xml,application/xhtml+xml,text/html;q=0. > 9,text/plain;q=0.8 > >,image/png,*/*;q=0.5 > >Accept-Language: en-us,en;q=0.5 > >Accept-Encoding: gzip,deflate > >Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 > >Keep-Alive: 300 > >Proxy-Connection: keep-alive > > > >HTTP/1.x 303 See Other > >Date: Mon, 03 Oct 2005 15:15:50 GMT > >Server: Apache/1.3.33 (Unix) PHP/4.3.10 > >Content-Location: core-latest-html > >Vary: negotiate,accept > >TCN: choice > >Location: http://www.w3.org/TR/2005/WD-swbp-skos-core-spec-20050510 > >Content-Type: text/html; charset=iso-8859-1 > >X-Cache: MISS from wwwcache.rl.ac.uk > >Proxy-Connection: close > >---------------------------------------------------------- > >http://www.w3.org/2004/02/skos/bar.var > > > >GET /2004/02/skos/bar.var HTTP/1.1 > >Host: www.w3.org > >User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; > rv:1.7.11) > >Gecko/20050728 > >Accept: application/rdf+xml > >Accept-Encoding: gzip,deflate > >Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 > >Keep-Alive: 300 > >Proxy-Connection: keep-alive > > > >HTTP/1.x 303 See Other > >Date: Mon, 03 Oct 2005 15:15:43 GMT > >Server: Apache/1.3.33 (Unix) PHP/4.3.10 > >Content-Location: core-latest-rdf > >Vary: negotiate,accept > >TCN: choice > >Location: http://www.w3.org/2004/02/skos/core/history/2005-03-31 > >Content-Type: text/html; charset=iso-8859-1 > >X-Cache: MISS from wwwcache.rl.ac.uk > >Proxy-Connection: close > >--- > > > >Cheers, > > > >Al. > > > >[1] http://lists.w3.org/Archives/Public/public-esw-thes/2005Sep/0008.html > >--- >Alistair Miles >Research Associate >CCLRC - Rutherford Appleton Laboratory >Building R1 Room 1.60 >Fermi Avenue >Chilton >Didcot >Oxfordshire OX11 0QX >United Kingdom >Email: a.j.miles@rl.ac.uk >Tel: +44 (0)1235 445440 > > > >
Received on Monday, 3 October 2005 16:28:50 UTC