
This is an example data service, built using the Web::DataService framework.  It provides
information about the historical population of U.S. states, based on data from the
L<Bureau of the Census|http://www.census.gov/>.

You can use this code as a basis for building your own data services.

=head2 Operations

The following data service operations are available:

=over

=item L<Single state|node:single>

Returns information about a single state.

=item L<Multiple states|node:list>

Returns information about a list of states matching the specified criteria.

=item L<Regions|node:regions>

Returns the list of regions defined by this data service.

=back

<% FORMATS(opt_extended=1) %>

<% VOCABULARIES(opt_extended=1, opt_all=1) %>




