User Modeling James J In the same period Anthony formatIsbn:Softcover 9783642430046 In the same period Anthony Downs (1957) sought to model representative democracy and elections while William Riker (1962) made use of work in cooperative game theory (by John von Neumann and Oscar Morgenstern Germany on the World Market at the End of the 19th Century User modeling has been found to enhance the effectiveness and or usability of software systems in a wide variety of situations The biennial series of International Conferences on User Modeling provides a forum in which academic and industrial researchers from all of these fields can exchange their complementary insights on user modeling issues