@abc.abstractmethod<EOL><INDENT>def match_published_date(self, start, end, match):<DEDENT>
pass<EOL>
Match assets that are published between the specified time period.

        :param start: start time of the query
        :type start: ``osid.calendaring.DateTime``
        :param end: end time of the query
        :type end: ``osid.calendaring.DateTime``
        :param match: ``true`` for a positive match, ``false`` for a negative match
        :type match: ``boolean``
        :raise: ``InvalidArgument`` -- ``end`` is les than ``start``
        :raise: ``NullArgument`` -- ``start`` or ``end`` is ``null``

        *compliance: mandatory -- This method must be implemented.*