semantic web framework

 Attean is a Perl framework
 for working with RDF data and SPARQL queries.
 It features parsers and serializers
 for many different RDF formats
 including RDF/XML, Turtle, N-Triples and N-Quads,
 as well as SPARQL formats
 like SPARQL-XML, SPARQL-JSON, SPARQL-CSV and SPARQL-TSV.
 .
 Attean features support for SPARQL 1.1 queries,
 and a set of APIs and command line tools
 to parse, transform, query, and serialize RDF data.
 .
 SPARQL is an RDF query language,
 that is, a semantic query language for databases,
 able to retrieve and manipulate data
 stored in Resource Description Framework format.
 .
 Resource Description Framework (RDF)
 is a standard model for data interchange on the Web.
 .
 Some modules require additional packages:
  * Test::Attean::*
    require the packages libmoose-perl libtest-roo-perl.
  * Test::Attean::SPARQLSuite
    instead requires the packages libtest-roo-perl libtest-modern-perl.