Abstract. The paper presents the preliminary version of Ontobella - a domain ontology of beliefs. The philosophical assumptions of this system are taken from the philosophy of Roman Ingarden and from the psychological results obtained in the Lvov-Warsaw school. Ontobella is applied as the conceptual framework for a computer system that collects information about political debates. We use it to retrieve and store beliefs expressed during sessions of the Polish parliament. Keywords. ontology, belief, intentionality, politics Representation of knowledge and beliefs plays a crucial role in Artificial Intelligence, especially in modeling artificial agents being able to carry out actions on the basis of their knowledge about environment and goals [12,8] and in automated planning [7]. Beliefs are largely studied in epistemic logic, where many formal systems of representation of private, public and common beliefs have been proposed. One special interest is a question of belief revision formall...