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<?xml version='1.0' encoding="ISO-8859-1"?>
<part id="tracker-overview">
<title>Overview</title>
<partintro>
<para>
The libtracker-sparql library allows creating and connecting to
one or more "triplestore" databases.
</para>
<para>
Data queries and updates are done using the SPARQL graph query
language. The <type><link linkend="TrackerResource">TrackerResource</link></type>
API provides helpers for updating data.
</para>
<para>
You can share a database over D-Bus using the
<type><link linkend="TrackerEndpoint">TrackerEndpoint</link></type> API,
allowing other libtracker-sparql users to query from it, either
by referencing it in a <userinput>SELECT { SERVICE ... }</userinput>
query, or by connecting directly with
<function><link linkend="tracker-sparql-connection-bus-new">tracker_sparql_connection_bus_new</link></function>.
</para>
</partintro>
<chapter id="tracker-overview-connection-methods">
<title>Connection methods</title>
<para>
You can create and access a private store using
<function><link linkend="tracker-sparql-connection-new">tracker_sparql_connection_new</link></function>.
</para>
<para>
To connect to another database on the same local machine, such as the
one exposed by the Tracker filesystem miner, use
<function><link linkend="tracker-sparql-connection-bus-new">tracker_sparql_connection_bus_new</link></function>.
</para>
<para>
To connect to another a database on a remote machine, use
<function><link linkend="tracker-sparql-connection-remote-new">tracker_sparql_connection_remote_new</link></function>.
</para>
</chapter>
</part>
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