<!-- ##### SECTION Title ##### -->
Data Graphs

<!-- ##### SECTION Short_Description ##### -->
RDF graph sources for triples.

<!-- ##### SECTION Long_Description ##### -->
<para>
Data graphs are used in the query to describe RDF graphs that can be
used to query against.  The graphs can be used either with #raptor_uri
to name the graph, or without a name.  The query language determines
which graphs are used in the query.
</para>

<!-- ##### SECTION See_Also ##### -->
<para>

</para>

<!-- ##### SECTION Stability_Level ##### -->


<!-- ##### SECTION Image ##### -->


<!-- ##### STRUCT rasqal_data_graph ##### -->
<para>

</para>

@world: 
@uri: 
@name_uri: 
@flags: 
@format_type: 
@format_name: 
@format_uri: 
@iostr: 
@base_uri: 
@usage: 

<!-- ##### FUNCTION rasqal_new_data_graph_from_data_graph ##### -->
<para>

</para>

@dg: 
@Returns: 


<!-- ##### FUNCTION rasqal_new_data_graph_from_iostream ##### -->
<para>

</para>

@world: 
@iostr: 
@base_uri: 
@name_uri: 
@flags: 
@format_type: 
@format_name: 
@format_uri: 
@Returns: 


<!-- ##### FUNCTION rasqal_new_data_graph_from_uri ##### -->
<para>

</para>

@world: 
@uri: 
@name_uri: 
@flags: 
@format_type: 
@format_name: 
@format_uri: 
@Returns: 


<!-- ##### FUNCTION rasqal_free_data_graph ##### -->
<para>

</para>

@dg: 


<!-- ##### ENUM rasqal_data_graph_flags ##### -->
<para>

</para>

@RASQAL_DATA_GRAPH_NONE: 
@RASQAL_DATA_GRAPH_NAMED: 
@RASQAL_DATA_GRAPH_BACKGROUND: 

<!-- ##### FUNCTION rasqal_data_graph_print ##### -->
<para>

</para>

@dg: 
@fh: 
@Returns: 


