@abc.abstractmethod<EOL><INDENT>def search_among_logs(self, log_ids):<DEDENT>
pass<EOL>
Execute this search among the given list of logs.

        :param log_ids: list of logs
        :type log_ids: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``log_ids`` is ``null``

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