Hi Peter, What is the “DynamicLocal” setting in your “virtuoso.ini” config file as this setting if enabled would result in the domain name part of the URL being used rather than the URiQA DefaultHost setting as detailed in the documentation link:
http://docs.openlinksw.com/virtuoso/uriqa.html#uriqaws
If disabled ie "DynamicLocal = 0” , which is the default setting, thus should
prevent the Dynamic translation of the hostname part of an IRI via the SPARQL
endpoint and other HTTP interfaces ...
Best Regards
Hugh Williams
Professional Services
OpenLink Software, Inc. // http://www.openlinksw.com/
10 Burlington Mall Road, Suite 265, Burlington MA 01803
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Universal Data Access, Integration, and Management Technology Providers
On 24 Jan 2012, at 03:28, Peter Secomb wrote:
> Hi Hugh,
>
> Regarding URL Rewrite via the SPARQL Endpoint...
>
> If a triple exists such as <http://localhost:8890/a/b/c>
> <http://ontology/attribute> 'value'
>
> When queried we get <http://domain.com.au/a/b/c> <http://ontology/attribute>
> 'value'
>
> For this query the value of URIQA DefaultHost = localhost:8890
>
> I'd have thought that instead of getting the domain the URIQA would rewrite
> localhost to use the DefaultHost value which is 'localhost'. Eg no change
> should have taken place.
>
> The problem we have when querying through the sparql endpoint is that it is
> impossible to determine the true value of the triple, eg localhost or domain.
> We have to use isql to avoid the url rewrite to see the true value of the
> triples.
>
> The guides you sent explain how to turn url rewrite on and set the regexp for
> a specific scenario's but I haven't found anything to switch url rewrite off
> across the board such that when data is retrieved via the sparql endpoint the
> true values of each triple component is displayed rather than the rewritten
> value.
>
> Regards,
>
> Peter Secomb
> clearbluewater.com.au
>
> On 18 November 2011 12:25, Hugh Williams <hwilli...@openlinksw.com> wrote:
> Hi Sachit,
>
> You probably need to set the URIQA “DefaultHost” parameter in the Virtuoso
> configuration INI file to the hostname you want to be used in the rewrite
> rules as detailed at:
>
> http://docs.openlinksw.com/virtuoso/uriqa.html#uriqaws
> http://docs.openlinksw.com/virtuoso/dbadm.html#ini_URIQA
>
> As the default setting is “localhost:8890” and the rewrite rules typically
> use the “URIQADefaultHost” macro function to read the value of the URIQA
> DefaultHOst param in the INI file for use in generating the hostname for the
> URL as indicated in the example at:
>
>
> http://docs.openlinksw.com/virtuoso/fn_urlrewrite_create_regex_rule.html#ex_urlrewrite_create_regex_rule
>
> I hope this resolves the problem for you ...
>
> Best Regards
> Hugh Williams
> Professional Services
> OpenLink Software
> Web: http://www.openlinksw.com
> Support: http://support.openlinksw.com
> Forums: http://boards.openlinksw.com/support
> Twitter: http://twitter.com/OpenLink
>
> On 17 Nov 2011, at 06:04, Sachit Malhotra wrote:
>
>> Hi Guys,
>>
>> Can anyone tell me how i can stop url rewrite from the sparql endpoint? For
>> example, i have a namespace:
>>
>> http://localhost:8890/schemas/demo
>>
>> and my domain is http://demo.cbw.com.au,
>>
>> So when i query the sparql endpoint, it rewrites localhost to
>> demo.cbw.com.au.
>>
>> Any help is much appreciated.
>>
>> Thanks.
>>
>> --
>>
>> Sachit Malhotra | Clear Blue Water Pty Ltd
>> +61 403565478 | smalho...@clearbluewater.com.au
>>
>>
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>
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