The Federated Computer Science Event (Yhdistetyt tietojenkäsittelyn päivät) is a two-day conference that combines the traditional annual events of three societies in Finland: The Finnish Society for Computer Science, the Pattern Recognition Society of Finland, and the Finnish Artificial Intelligence Society.  The event is held in 28-29.5.2012 at the Kumpula campus of the University of Helsinki (UH), and it is organized by the Department of Computer Science of UH. The conference will have printed proceedings with ISBN and peer-reviewed articles (in Finnish and English).