NAME

   RDF::LDF - Linked Data Fragments client

SYNOPSIS

       use RDF::Trine::Store::LDF;
       use RDF::Trine::Store;

       # To use a HTTP cache:
       use LWP::UserAgent::CHICaching;
       my $cache = CHI->new( driver => 'Memory', global => 1 );
       my $ua = LWP::UserAgent::CHICaching->new(cache => $cache);
       RDF::Trine->default_useragent($ua);

       my $store = RDF::Trine::Store->new_with_config({
               storetype => 'LDF',
               url => $url
       });

       my $it = $store->get_statements();

       while (my $st = $it->next) {
           # $st is a RDF::Trine::Statement
           print "$st\n";
       }

       # Or the low level modules themselves

       use RDF::LDF;

       my $client = RDF::LDF->new(url => 'http://fragments.dbpedia.org/2014/en');

       my $iterator = $client->get_statements($subject, $predicate, $object);

       while (my $statement = $iterator->()) {
           # $model is a RDF::Trine::Statement
       }

DESCRIPTION

   RDF::LDF implements a basic Linked Data Fragment
   <http://linkeddatafragments.org/> client.

   This a low level module to implement the Linked Data Fragment protocol.
   You probably want to use RDF::Trine::Store::LDF.

CONFIGURATION

   url

     URL to retrieve RDF from.

     Experimental: more than one URL can be provided for federated search
     over many LDF endpoints.

         my $store = RDF::Trine::Store->new_with_config({
                 storetype => 'LDF',
                 url => [ $url1, $url2, $url3 ]
         });

         # or

         my $client = RDF::LDF->new(url => [ $url1, $url2, $url3 ]);

METHODS

   get_statements( $subject, $predicate, $object )

     Return an iterator for every RDF::Trine::Statement served by the LDF
     server.

   get_pattern( $bgp );

     Returns a stream object of all bindings matching the specified graph
     pattern.

CONTRIBUTORS

   Patrick Hochstenbach, patrick.hochstenbach at ugent.be

   Gregory Todd Williams, [email protected]

   Jacob Voss, [email protected]

COPYRIGHT AND LICENSE

   This software is copyright (c) 2015 by Patrick Hochstenbach.

   This is free software; you can redistribute it and/or modify it under
   the same terms as the Perl 5 programming language system itself.