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https://issues.apache.org/jira/browse/STANBOL-1057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13649167#comment-13649167
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Rupert Westenthaler commented on STANBOL-1057:
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The problem is that prefix.cc supports namespaces ending with ':'
One Example was
biocore -> http://bio2rdf.org/core:
an other is
category -> http://dbpedia.org/resource/Category:
The problem here is that in the first example the namespace declaration is
simple wrong, as the ':' in the end should be a '#' instead. In the second
example the ':' is correct as concepts do use
"http://dbpedia.org/resource/Category:France";. However in this case "Category:"
is already part of the local name. So the correct prefix would be
"dbp:Category:France".
Because of that the decision for the namespace prefix service was to simple
ignore invalid namespace declarations instead of trying to fix illegal one by
adding a '#' or '/'
> Invalid Namespace Mappings from popular prefixes at prefix.cc
> -------------------------------------------------------------
>
> Key: STANBOL-1057
> URL: https://issues.apache.org/jira/browse/STANBOL-1057
> Project: Stanbol
> Issue Type: Bug
> Components: Commons
> Reporter: Sergio Fernández
> Priority: Trivial
> Labels: prefix
>
> Checking my logs I realized this errors:
> 09:12:54.806 INFO - Load Namespace Prefix Mappings form
> http://prefix.cc/popular/all.file.txt
> 09:12:55.187 WARN - Invalid Namespace Mapping: prefix 'biocore' valid ,
> namespace 'http://bio2rdf.org/core:' invalid -> mapping ignored!
> Basically the validation fails because those namespace are neither hash nor
> slash uris.
> If would like to change the behavior just appending the hash on those
> situations, I could submit a patch based on what we are doing in Marmotta,
> see:
> https://git-wip-us.apache.org/repos/asf?p=incubator-marmotta.git;a=blob;f=platform/marmotta-core/src/main/java/org/apache/marmotta/platform/core/services/prefix/PrefixServiceImpl.java;h=ac136fef38940feb60b1bb624e55278d7e162970;hb=HEAD#l141
>
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