redland problem

There seems a problem with activerdf_redland. After gem
install
activerdf_redland, I tried "require 'active_rdf'",
but ruby told me that
he can't load 'rdf/redland'. I googled that but just found
some mail
achieves in 2004, said that it was a bug and was under
fixing. How is
the current status, may I ask.

I'm using ruby 1.8.6 under fedora 7.

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On 06/18/07/06/07 06:54 +0800, gsofhon wrote:
>There seems a problem with activerdf_redland. After gem
install
>activerdf_redland, I tried "require
'active_rdf'", but ruby told me that
>he can't load 'rdf/redland'. I googled that but just
found some mail
>achieves in 2004, said that it was a bug and was under
fixing. How is
>the current status, may I ask.
Do you have redland installed successfully? Try using
Redland without 
ActiveRDF (it's a different project) and see if that works.
See also the 
Redland website: http://librdf.org. 

Otherwise, could you post some more details about the error
message when 
loading 'rdf/redland'?

 -eyal
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Thank you for your help. It seems that I did forget to
install
redland.  But after
I installed redland right now, new problems came.

irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'active_rdf'
NoMethodError: undefined method `librdf_new_world' for
Redland:Module
from
/usr/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redl
and.rb:31:in `initialize'
...

irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'rdf/redland'
LoadError: no such file to load -- redland
from
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in

`gem_original_require'

I've installed the following gems about rdf:

gem search rdf
*** LOCAL GEMS ***
activerdf (1.6.1)
activerdf_rdflite (1.3)
activerdf_redland (1.2)
activerdf_rules (0.0.2)
activerdf_sparql (1.3)
rdf (0.3)
rdf-redland (0.5.1.3)
rdfa (0.0.7)

I'm new to semantic web, and get a bit lost. Sorry for
taking your time.

On Mon, 2007-06-18 at 08:42 +0200, Eyal Oren wrote:
> On 06/18/07/06/07 06:54 +0800, gsofhon wrote:
> >There seems a problem with activerdf_redland. After
gem install
> >activerdf_redland, I tried "require
'active_rdf'", but ruby told me that
> >he can't load 'rdf/redland'. I googled that but
just found some mail
> >achieves in 2004, said that it was a bug and was
under fixing. How is
> >the current status, may I ask.
> Do you have redland installed successfully? Try using
Redland without 
> ActiveRDF (it's a different project) and see if that
works. See also the 
> Redland website: http://librdf.org. 
> 
> Otherwise, could you post some more details about the
error message when 
> loading 'rdf/redland'?
> 
>  -eyal
> _______________________________________________
> ActiveRDF mailing list
> ActiveRDFlists.deri.org
> http
://lists.deri.org/mailman/listinfo/activerdf

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Did you install the redland bindings library ?

If you installed form source then this package is called
redland  
bindings,
if you installed rpms, then this might be called librdf-ruby
or  
something similiar.

You might want to have a look at the Linux installation
section of  
the Getting Started Guide:
http://
wiki.activerdf.org/GettingStartedGuide

Please tell me if those instructions do not work on Fedora



cheers, Benjamin
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